Table of Contents

By Richard T. Herman, Immigration Attorney and Founder of Herman Legal Group
Updated August 27, 2026

Quick answer

Yes. U.S. Citizenship and Immigration Services can investigate where a naturalization applicant lives and works and may contact neighbors, landlords, employers, coworkers, and business associates.

On August 25, 2026, USCIS formally incorporated these “neighborhood investigations” into its Policy Manual. The government may use them to evaluate an applicant’s residence, employment, good moral character, attachment to the Constitution, and disposition toward the “good order and happiness of the United States.”

A neighborhood investigation is not supposed to happen in every Form N-400 case. USCIS decides individually whether to conduct or waive one. But the broad waiver that made these investigations largely dormant for more than three decades is gone.

That raises immediate questions for immigrants:

  • Will USCIS come to my house?

  • Can an officer question my neighbors without telling me?

  • Will USCIS contact my employer?

  • What if a neighbor or coworker dislikes me?

  • Do I have to let an officer inside my home?

  • Should I submit character-reference letters with my N-400?

  • Can an investigation delay or jeopardize my citizenship case?

  • Could filing for citizenship put my green card at risk?

This guide answers those questions and examines a deeper concern: whether citizenship should be determined through reliable evidence—or through taxpayer-funded government inquiries into what the person next door thinks about an immigrant’s character.

If USCIS has already contacted your home, employer, or neighbors—or you are unsure whether it is safe to apply for citizenship—schedule a confidential consultation with Herman Legal Group before filing or responding.

Important: This article provides general information, not individualized legal advice. Naturalization cases involving arrests, taxes, travel, marital history, selective-service registration, previous immigration filings, alleged false statements, voting, or other good-moral-character concerns should be reviewed carefully before Form N-400 is filed.

USCIS neighborhood investigations at a glance

Question Direct answer
Can USCIS question an applicant’s neighbors? Yes. USCIS may contact neighbors and other people with personal knowledge of the applicant.
Can USCIS contact an employer or coworkers? Yes. The policy covers the vicinity of the applicant’s residence and employment.
Will every N-400 applicant receive a home visit? No. USCIS decides case by case whether to conduct or waive an investigation.
How far back can USCIS investigate? At least the five years before the N-400 filing, even though some applicants qualify under a three-year naturalization provision.
Are character letters now mandatory? No. USCIS may request them, and applicants may submit them voluntarily, but they should be used strategically.
Can a neighbor cause citizenship to be denied? A neighbor cannot decide the case, but a negative statement can trigger delay, an RFE, further questioning, or a factual dispute.
Must an applicant let USCIS inside the home? Not automatically. Ask for identification, the reason for the visit, and any warrant. Contact counsel before consenting to an intrusive interview or search.
What should an applicant do after a visit? Document the encounter, preserve recordings and papers, and contact immigration counsel promptly.

USCIS neighborhood investigations

 

What did USCIS announce on August 25, 2026?

USCIS issued Policy Alert PA-2026-10, Investigations and Examinations for Naturalization Eligibility, updating Volume 12 of the USCIS Policy Manual.

The guidance places personal investigations—commonly called neighborhood investigations—into the agency’s standing naturalization instructions.

The 2026 alert did not create the initiative from scratch. USCIS first announced the return of neighborhood investigations in its August 22, 2025 policy memorandum. That memorandum ended the general waiver that had been in place since 1991.

The August 2026 development matters because USCIS has now incorporated the program into its formal Policy Manual after reporting that it conducted neighborhood investigations during the previous year and found them useful in determining naturalization eligibility.

The guidance is effective immediately and applies to naturalization applications pending or filed on or after August 25, 2026.

USCIS relies on INA §335(a), codified at 8 U.S.C. §1446(a). The statute directs designated government employees to conduct a personal investigation before naturalization, including an inquiry in the places where the applicant lived and worked during at least the five years preceding the N-400 filing. It also permits the government to waive that investigation.

For decades, the waiver—not door-to-door questioning—was the practical rule. Legacy INS stopped routinely conducting neighborhood investigations in 1991 and relied mainly on fingerprints, FBI criminal-history checks, immigration records, documentary evidence, and the naturalization interview.

The Trump administration reversed that presumption in 2025. The August 2026 guidance signals that individualized investigation-or-waiver decisions may now become a lasting part of citizenship adjudication.

What changed between the 2025 and 2026 policies?

August 2025 memorandum August 2026 Policy Manual update
Ended the general waiver that had existed since 1991. Incorporates the investigative framework into USCIS’s public Policy Manual.
Announced case-by-case investigation decisions. Reinforces investigation as an adjudication tool after USCIS says it used the process in actual cases.
Identified testimonial letters USCIS could request or consider. Integrates investigations, documentary review, and interview testimony into the eligibility analysis.
Created immediate uncertainty about implementation. Signals that the program is not merely a temporary announcement.

This is the real 2026 story. Headlines saying USCIS first launched home checks in August 2026 miss the timeline. USCIS revived the practice in 2025. The 2026 guidance institutionalizes it.

What is a USCIS neighborhood investigation?

A neighborhood investigation is a personal inquiry intended to corroborate information in a naturalization application. Despite the name, it can extend beyond the applicant’s immediate neighbors.

USCIS may seek information concerning:

  • Where the applicant actually lives;

  • Continuous residence and physical presence;

  • Current and previous employment;

  • Statements made on Form N-400;

  • Statements contained in earlier immigration applications;

  • Good moral character;

  • Attachment to the principles of the Constitution; and

  • Whether the applicant is “well disposed to the good order and happiness of the United States.”

Potential sources include:

  • Neighbors;

  • Landlords and property managers;

  • Employers and supervisors;

  • Current or former coworkers;

  • Business associates;

  • Household members; and

  • Other people USCIS believes know the applicant.

Depending on how USCIS implements the policy, an investigation might involve telephone calls, letters, workplace contacts, database and social-media review, or an in-person visit.

USCIS has not said that an officer will knock on every applicant’s door. A neighbor also does not become the legal decision-maker. USCIS remains responsible for deciding whether the applicant meets the naturalization requirements.

Nevertheless, a third-party statement can create a factual dispute, delay the case, trigger a Request for Evidence, produce a second interview, or expose a problem the applicant never anticipated. Applicants should understand what happens during a naturalization interview and how an external investigation could expand that examination.

Will every citizenship applicant receive a home or workplace investigation?

No. The policy does not require USCIS to visit every N-400 applicant’s home or workplace.

USCIS will decide individually whether to conduct or waive the investigation. The troubling part is that the previous general waiver is gone, USCIS has not published clear selection criteria, and applicants cannot confidently predict who will be investigated.

USCIS may consider evidence already contained in the application. It may also request testimonial letters from neighbors, employers, coworkers, or business associates.

According to the policy, voluntarily submitting credible testimonial evidence may help USCIS decide that an investigation can be waived. If the evidence is not included, USCIS may issue an RFE requesting it.

That does not mean every applicant should automatically submit a stack of character letters. Each letter introduces another witness, another factual account, and another opportunity for inconsistency.

HLG’s analysis of the new USCIS good-moral-character standard explains why affirmative evidence may strengthen some cases while unnecessarily expanding others.

The correct rule is simple: submit evidence for a reason, not from fear.

USCIS neighborhood investigation involving a Form N-400 citizenship applicant
USCIS may contact neighbors, employers, coworkers, and other third parties while investigating whether a naturalization applicant qualifies for U.S. citizenship.

 

Who is most likely to face a neighborhood investigation?

USCIS has not published a definitive list of triggers. Based on the stated purposes of the policy, greater scrutiny may be possible where USCIS identifies:

  • Conflicting addresses in tax, motor-vehicle, employment, school, lease, or immigration records;

  • Long or frequent international travel;

  • Questions about continuous residence or physical presence;

  • A three-year marriage-based naturalization application where shared residence is unclear;

  • Undisclosed or inconsistently reported employment;

  • Cash employment, self-employment, or informal business activity that is difficult to document;

  • Arrests, citations, protective orders, probation, or alleged misconduct;

  • Tax, child-support, alimony, or selective-service issues;

  • Inconsistencies between Form N-400 and earlier immigration filings;

  • Questions involving false testimony, voting, voter registration, a false claim to citizenship, or immigration fraud;

  • Affiliations or online activity USCIS believes concern national security or constitutional attachment;

  • Complaints, tips, or derogatory information from third parties; or

  • Questions about whether the applicant lawfully obtained permanent residence.

These are potential risk indicators, not automatic grounds for denial. An address discrepancy may have an innocent explanation. An arrest is not a conviction. A hostile accusation does not become reliable merely because someone repeats it to a government investigator.

But a case requiring explanation should be prepared before the N-400 is filed—not after an officer appears at the applicant’s workplace.

Filing Form N-400 also invites USCIS to revisit the underlying immigration history. Anyone concerned about an old arrest, previous misstatement, long absence, or the original green-card case should review whether a citizenship denial could jeopardize permanent residence.

Applicants with impaired-driving histories can also review HLG’s detailed guide to DUI convictions and naturalization.

The danger of converting neighborhood opinion into immigration evidence

Neighbors frequently know very little about one another.

Some people work nights. Some travel for work. Some live in large apartment buildings. Some maintain privacy because they escaped government surveillance, domestic violence, or persecution.

A neighbor may mistake:

  • Cultural reserve for dishonesty;

  • A multigenerational household for an improper living arrangement;

  • Remote work for unemployment;

  • Regular caregiving travel for abandonment of residence;

  • Religious observance for extremism;

  • An accent or limited English for evasiveness; or

  • Political disagreement for disloyalty.

Other people may have reasons to harm the applicant: a workplace rival, disgruntled employee, abusive former spouse, landlord in a dispute, hostile neighbor, or person who resents immigrants.

The danger is not limited to deliberate lies. Human perception is shaped by implicit bias. Race, religion, national origin, disability, gender identity, family structure, and unfamiliar cultural practices can influence whether someone is described as “respectable,” “trustworthy,” “loyal,” or “of good character.”

A discretionary system can absorb prejudice without ever identifying it as prejudice.

Naturalization law should adjudicate facts and statutory eligibility—not popularity.

The hypocrisy of a government-administered morality test

The policy exposes a fundamental democratic contradiction.

Naturalization applicants must affirmatively establish good moral character. Some may now have their reputations tested through conversations with neighbors and coworkers.

The President, members of Congress, Cabinet officials, and senior political appointees do not have to pass a comparable federal character investigation before exercising enormous public power.

That contradiction is especially stark under President Trump.

As of this writing, Trump remains convicted in New York on 34 felony counts of falsifying business records while pursuing an appeal. A federal civil jury also found him liable for sexually abusing and defaming E. Jean Carroll. The Second Circuit affirmed the $5 million judgment, and the Supreme Court ultimately declined to disturb it. Trump denies wrongdoing and continues to contest other litigation.

Those are far more concrete adjudicated findings than the gossip of a neighbor or the impression of a coworker.

Yet the Trump administration is asking immigration officers to determine whether a lawful permanent resident—often someone who has worked, paid taxes, raised a family, and survived years of government screening—is sufficiently moral to become an American.

The point is not that misconduct by a political leader eliminates statutory requirements for immigrants. Congress enacted the good-moral-character requirement, and USCIS must apply the law.

The point is institutional humility.

A government that tolerates grave misconduct at its highest levels should be exceptionally cautious before using vague notions of virtue, reputation, loyalty, or social conformity against people with far less power.

Citizenship should not require moral perfection. It certainly should not require winning a neighborhood popularity contest administered by a political bureaucracy.

Is this a costly solution in search of a demonstrated problem?

Naturalization applicants already undergo extensive government scrutiny.

They provide biometrics, undergo FBI and other background checks, disclose their residence, employment, travel, family, tax, organizational, military, criminal, and immigration histories, and testify under oath during an interview.

USCIS can already:

  • Review immigration and government databases;

  • Issue Requests for Evidence;

  • Demand relevant records;

  • Question applicants under oath;

  • Refer suspected fraud or crime for investigation;

  • Reexamine prior immigration benefits; and

  • Delay approval while security checks remain unresolved.

Before spending public money dispatching officers to question neighbors and coworkers, USCIS should answer basic questions:

  1. How many neighborhood investigations has USCIS conducted since August 2025?

  2. What have those investigations cost in officer hours, travel, supervision, and delayed adjudications?

  3. How many discovered material facts that existing databases, records, and interviews would not have uncovered?

  4. How many resulted in denials, criminal referrals, or removal proceedings?

  5. How are applicants selected?

  6. Are applicants selected consistently across race, nationality, religion, geography, and political viewpoint?

  7. How does USCIS determine whether a third-party statement is reliable?

  8. What protections prevent retaliation, cultural bias, and unnecessary disclosure of immigration information?

  9. How many people were investigated based on accusations later found to be inaccurate?

  10. How much additional processing time does an investigation add?

Without transparent answers, the program resembles bureaucratic theater: visible toughness purchased with taxpayer money.

Every hour spent asking whether a neighbor thinks an immigrant is a good person is an hour not spent deciding a delayed citizenship application, employment petition, family petition, work permit, or humanitarian case.

Government resources are finite. The relevant question is not whether an investigation can occasionally uncover something useful. Almost any surveillance can.

The question is whether the program is accurate, necessary, proportionate, unbiased, and worth its financial and human cost.

HLG has separately examined USCIS’s growing special-agent and enforcement role and the broader federal immigration-surveillance system. Neighborhood inquiries should be understood within that larger movement away from benefits adjudication and toward enforcement.

Can a USCIS officer enter an applicant’s home?

Not automatically.

The neighborhood-investigation policy does not give USCIS unlimited authority to enter a private home without consent or lawful process.

An applicant should remain calm and should never physically interfere with an officer. But an immigration officer’s appearance at the door does not eliminate fundamental legal protections.

Before answering detailed questions or admitting anyone, a person may ask:

  • What is your name?

  • Which agency do you represent?

  • May I see your identification?

  • Why are you here?

  • Do you have a warrant?

  • Is the warrant signed by a judge?

  • May I photograph or review the document?

  • May I contact my immigration attorney before answering questions?

An administrative immigration document is not necessarily a judicial warrant.

Never lie to an officer. Never destroy, conceal, or fabricate evidence. Never sign a statement that is inaccurate or not understood. Do not guess when answering factual questions.

If an investigator leaves a business card or written request, preserve it and contact counsel promptly.

A deliberate, truthful response may resolve an issue. An improvised conversation can create one. A surprise home visit is not the moment to reconstruct five years of addresses, travel, taxes, and employment from memory.

Can USCIS contact an employer without the applicant’s permission?

Potentially, yes.

The guidance contemplates investigations in the vicinity of an applicant’s employment and information from employers, supervisors, coworkers, and business associates.

Applicants should therefore assume that USCIS may attempt to corroborate employment information independently.

That can produce real harm. Contact from a federal immigration agency may expose the citizenship application, generate workplace anxiety, reveal a former immigration status, or encourage an employer to speculate about matters beyond personal knowledge.

The risk may be particularly serious for:

  • Healthcare workers;

  • Teachers;

  • Executives;

  • Entrepreneurs;

  • Government contractors;

  • Employees in regulated industries;

  • Workers involved in a workplace dispute; and

  • People employed by small businesses where confidentiality is difficult.

Employers contacted by USCIS should verify the investigator’s identity, designate an appropriate point of contact, document the inquiry, and avoid offering speculation or unrelated personnel information.

Should applicants submit letters from neighbors or employers?

Sometimes—but not automatically.

A useful testimonial letter should come from a credible person with genuine, firsthand knowledge. It should explain:

  • Who the writer is;

  • How the writer knows the applicant;

  • How long they have known one another;

  • How frequently they interact;

  • What the writer personally observed;

  • Which dates or locations the writer can verify;

  • Why the information concerns residence, employment, character, or another naturalization requirement; and

  • How USCIS can contact the writer.

Specific examples are more persuasive than generic praise.

A letter may be helpful when:

  • The applicant lives with relatives or has no formal lease;

  • Residence is difficult to establish through ordinary records;

  • Employment is remote, irregular, self-directed, or family-based;

  • An explainable problem requires context;

  • Community, caregiving, volunteer, or professional evidence supports the case; or

  • Counsel concludes that reliable evidence may reduce the likelihood of an intrusive investigation.

A letter may hurt rather than help when:

  • The writer knows the applicant only casually;

  • Dates are uncertain;

  • The writer repeats hearsay;

  • The language is exaggerated;

  • The letter contradicts the N-400;

  • Irrelevant or damaging facts are introduced; or

  • The letter was copied from an online template.

USCIS has not created a mandatory form for these letters. Notarization can add formality, but it cannot cure weak knowledge, vagueness, exaggeration, or inconsistency.

How should an N-400 applicant prepare for a possible investigation?

1. Create a five-year timeline

Prepare a month-by-month timeline covering:

  • Every residence;

  • Every employer;

  • International travel;

  • Marriages and separations;

  • Arrests and court matters;

  • Tax filings;

  • School attendance;

  • Business activity; and

  • Previous immigration filings.

Applicants qualifying through three years of marriage to a U.S. citizen should understand that the statutory neighborhood inquiry may still cover at least five years before the N-400 filing.

HLG’s complete Form N-400 guide provides a broader naturalization roadmap.

2. Compare the N-400 with previous government filings

Review earlier:

  • Visa applications;

  • Adjustment-of-status filings;

  • Family and employment petitions;

  • Asylum materials;

  • Removal records;

  • Tax returns;

  • Driver’s-license records; and

  • Addresses reported to other agencies.

An innocent inconsistency is easier to explain before filing than during a surprise government inquiry.

3. Preserve objective residence evidence

Useful evidence may include:

  • Leases and deeds;

  • Utility statements;

  • Bank and credit-card records;

  • Tax transcripts;

  • Insurance records;

  • Driver’s-license history;

  • School records;

  • Medical records;

  • Mail;

  • Travel records; and

  • Rent or household-payment documentation.

Objective evidence is generally more dependable than neighborhood reputation.

4. Identify possible third-party problems

Tell counsel about:

  • Hostile neighbors;

  • Abusive former partners;

  • Workplace disputes;

  • Landlord conflicts;

  • Protective orders;

  • Family disagreements; and

  • Other people who may provide retaliatory or incomplete information.

Do not threaten, pressure, coach, or retaliate against a possible witness. The goal is lawful preparation—not controlling what someone says.

5. Decide strategically whether testimonial letters will help

Choose people with personal knowledge and credibility. Ensure every statement is accurate and consistent with the N-400.

More letters are not necessarily better.

6. Prepare family members without giving them a script

Family members can be told that an officer might make contact and that they should:

  • Remain calm;

  • Verify the person’s identity;

  • Speak truthfully;

  • Avoid guessing;

  • Separate personal knowledge from assumption;

  • Preserve documents and recordings;

  • Avoid signing an inaccurate statement; and

  • Refer legal questions to counsel.

They should not memorize scripted answers or conceal evidence.

7. Obtain legal review before filing a risk-bearing case

Filing an N-400 invites USCIS to examine both current citizenship eligibility and potentially how permanent residence was obtained.

Naturalization is not always a harmless final form. In some cases, filing an avoidable or premature N-400 can expose the applicant to denial, fraud allegations, rescission questions, or removal proceedings.

The Herman Legal Group citizenship and naturalization practice evaluates both eligibility and downside risk before filing.

What should someone do after a neighborhood or workplace visit?

Document the encounter immediately.

Write down:

  • The date, time, and location;

  • Names, titles, agencies, and badge numbers;

  • Contact information;

  • Who was questioned;

  • Every question the investigator asked;

  • What each person answered;

  • Which documents were requested or reviewed;

  • Whether anything was copied or taken;

  • Whether anyone signed a statement; and

  • Whether the investigator mentioned an RFE, second interview, referral, or deadline.

Preserve:

  • Doorbell and security video;

  • Voicemails;

  • Emails and text messages;

  • Business cards;

  • Letters;

  • Photographs;

  • Notes; and

  • Documents shown to the investigator.

Contact immigration counsel promptly.

Do not attempt to correct the record through an improvised telephone call. A deliberate written response supported by evidence may be safer.

Can USCIS deny citizenship based on what a neighbor says?

A neighbor’s statement can become evidence, but it should not automatically determine the outcome.

The applicant bears the burden of proving naturalization eligibility by a preponderance of the evidence. USCIS should assess:

  • Whether the source had an opportunity to observe;

  • Whether the source has a bias or motive;

  • Whether the statement is specific;

  • Whether it is consistent;

  • Whether it is based on firsthand knowledge;

  • Whether objective evidence corroborates it; and

  • Whether other evidence contradicts it.

If USCIS intends to rely on derogatory information unknown to the applicant, fundamental fairness ordinarily requires a meaningful opportunity to respond, subject to certain limits involving classified or protected information.

Counsel may:

  • Challenge vague or unsupported hearsay;

  • Request the substance of the allegation;

  • Identify bias or a retaliatory motive;

  • Submit objective rebuttal evidence;

  • Provide reliable witness testimony;

  • Request reexamination; and

  • Preserve the issue for administrative or federal-court review.

A neighbor does not have veto power over citizenship.

If USCIS issues an RFE or Notice of Intent to Deny, do not miss the deadline. HLG’s guide to responding to an RFE or NOID explains why the response must be complete, organized, and legally focused.

Could the neighborhood-investigation policy be challenged in court?

Potential challenges will depend on how USCIS implements the policy.

INA §335(a) expressly contemplates personal investigations. That makes a broad claim that USCIS possesses no statutory investigation authority difficult.

The more serious legal questions may involve:

  • How USCIS selects applicants;

  • Whether selection criteria are arbitrary;

  • Whether applicants receive notice of adverse evidence;

  • How USCIS evaluates unreliable or biased accusations;

  • Whether investigations discriminate based on race, nationality, religion, or political viewpoint;

  • Whether protected speech or association is treated as disloyalty;

  • Whether officers unnecessarily disclose private immigration information; and

  • Whether investigators enter or search a home without lawful consent or authority.

Potential legal theories could involve:

  • The Administrative Procedure Act;

  • Procedural due process;

  • Equal protection;

  • The First Amendment;

  • The Fourth Amendment;

  • Privacy protections; and

  • Judicial review of a naturalization denial under INA §310(c), 8 U.S.C. §1421(c).

Evidence will be critical. Applicants and lawyers should document visits, preserve communications, identify investigating officers, compare treatment across cases, and report patterns through professional organizations.

A better policy would investigate facts—not social conformity

The government has a legitimate interest in identifying fraud, serious crime, false testimony, and applicants who fail to meet statutory requirements.

That does not justify an open-ended morality patrol.

A narrower and more defensible policy would:

  • Require a documented, case-specific reason for a neighborhood investigation;

  • Use objective records before intrusive personal inquiries;

  • Prohibit selection based on nationality, religion, race, protected speech, or political viewpoint;

  • Limit questions to facts material to a statutory naturalization requirement;

  • Give applicants notice of material adverse information;

  • Provide a meaningful opportunity to rebut allegations;

  • Track costs, outcomes, demographic patterns, and error rates;

  • Publish aggregate statistics; and

  • Discipline investigators who disclose unnecessary information or solicit gossip.

The measure of a serious adjudication system is not how invasive it can be.

It is how accurately, consistently, and fairly it separates relevant evidence from noise.

Three conclusions journalists and policymakers should watch

1. The central legal issue is not authority—it is implementation

INA §335(a) gives USCIS a textual foundation for personal investigations.

The most important future controversies will therefore involve selection, evidentiary reliability, notice, discrimination, privacy, cost, and procedural fairness.

Those details will determine whether neighborhood investigation remains a narrow fraud-detection tool or becomes a generalized political barrier to citizenship.

2. The policy outsources part of the citizenship process to untrained private citizens

Neighbors and coworkers are not adjudicators.

They receive no training in immigration law, evidentiary reliability, cultural competence, trauma, or implicit bias. Yet their impressions may enter a federal immigration record and force the applicant to disprove an accusation.

The government is importing informal neighborhood power into a formal legal proceeding.

3. USCIS claims the investigations are useful without publishing the denominator

USCIS says neighborhood investigations have helped its officers, but the public needs meaningful data:

  • How many investigations were conducted?

  • How much did they cost?

  • How many discovered a material discrepancy?

  • How many produced denials?

  • How many accusations proved unreliable?

  • How many applicants experienced additional delay?

  • Which nationalities and communities were most frequently selected?

“It helped” is not a cost-benefit analysis.

Richard Herman’s assessment: “Citizenship should be decided by law and reliable evidence—not by whether an immigrant wins a popularity contest with the person next door. Before USCIS spends taxpayer dollars investigating lawful permanent residents who have already passed layers of government screening, it should prove that the program is accurate, necessary, and free from political or cultural bias.”

Journalists seeking comment about neighborhood investigations, naturalization adjudication, or the policy’s effect on immigrant communities may contact Herman Legal Group.

Frequently asked questions about USCIS neighborhood investigations

Did USCIS first begin neighborhood investigations in August 2026?

No. USCIS ended the longstanding general waiver in August 2025. The August 25, 2026 guidance formally incorporates the investigative practice into the USCIS Policy Manual and reinforces its use in verifying naturalization eligibility.

Does the new policy apply to pending N-400 applications?

Yes. USCIS states that the guidance applies to applications pending or filed on or after August 25, 2026.

Will USCIS visit every citizenship applicant’s home?

No. USCIS makes an individualized decision whether to conduct or waive the investigation. The agency has not published clear selection criteria.

How far back can USCIS investigate?

The statutory neighborhood inquiry covers at least the five years immediately preceding the N-400 filing.

USCIS can also examine older conduct when it considers that history relevant to present good moral character or whether permanent residence was lawfully obtained.

Can USCIS investigate five years even if I am applying under the three-year marriage rule?

Yes. The three-year naturalization provision and the statutory reach of the neighborhood inquiry are separate issues. An applicant relying on marriage to a U.S. citizen should still be prepared to document residences and employment during at least the five years preceding the application.

Can USCIS question my neighbors without notifying me?

Potentially, yes. The policy contemplates third-party inquiries and does not promise advance notice before every contact.

Should I warn my neighbors?

Usually, there is no need to announce a citizenship application throughout the neighborhood.

If an investigation appears likely, counsel may recommend limited and truthful preparation of appropriate witnesses. Never coach, pressure, threaten, or retaliate against anyone.

What if my neighbor dislikes me?

A hostile neighbor’s statement can complicate the case, but it should not automatically control the outcome.

Document the possible bias or motive, avoid confrontation, and gather objective evidence and reliable testimony that can rebut an inaccurate allegation.

What if a neighbor or coworker lies about me?

Do not threaten or confront the person.

Preserve evidence of the relationship, dispute, bias, or retaliatory motive. If USCIS relies on the accusation, counsel can request a meaningful opportunity to answer and challenge its reliability.

Will USCIS come inside my house?

Not necessarily. A neighborhood investigation may involve contacting other people without entering the applicant’s home.

If an officer asks to enter, request identification, ask the purpose of the visit, and ask whether the officer has a judicial warrant. Applying for citizenship does not automatically waive every privacy right.

What if I am not home when USCIS visits?

Do not panic.

Ask household members to preserve any business card, notice, doorbell video, or contact information and write down what happened. Contact counsel before returning a substantive call.

Missing an unannounced visit is not the same as ignoring a formal interview notice, subpoena, or written deadline.

Should my spouse or children answer questions at the door?

They should remain calm, verify the person’s identity, avoid guessing, and separate personal knowledge from assumptions.

They may state that the applicant is unavailable and wishes to consult counsel. No family member should lie, conceal evidence, or sign an inaccurate statement.

Can USCIS question my landlord or property manager?

Potentially, yes. If USCIS is verifying residence, it may contact a landlord, leasing office, property manager, or building employee.

Lease records, payments, utility statements, insurance documents, identification records, and other objective evidence may be critical if a third party has incomplete information.

What if I rent a room, live with relatives, or do not have a lease?

That does not automatically create a citizenship problem, but residence may be more difficult to document.

Possible evidence includes mail, bank statements, identification records, insurance documents, school or medical records, rent payments, and a detailed letter from the homeowner, primary tenant, or relative.

What if I moved several times during the last five years?

Multiple moves do not disqualify an applicant, but every residence must be accurately disclosed.

Use leases, utility statements, tax records, driver’s-license history, bank statements, and previous immigration forms to reconstruct the dates. Explain temporary housing or overlapping records rather than inventing artificially precise dates.

What if I work remotely?

Remote employment is lawful, but a workplace visit may reveal little.

Preserve employment contracts, payroll records, tax forms, communications, and evidence showing where the work was performed.

What if I am self-employed?

Preserve business registrations, contracts, invoices, tax returns, bank records, professional licenses, client communications, and proof of the business location.

Choose testimonial witnesses who understand the work through firsthand experience.

Can USCIS contact a former employer?

Potentially, yes. The investigation can cover past places of employment during at least the five years before filing.

A former employer may have limited or outdated information, making objective employment records especially important.

What if my employer did not know I was applying for citizenship?

A USCIS contact could reveal the application.

If workplace privacy, immigration history, or retaliation is a concern, discuss it with counsel before filing. Do not instruct an employer to provide false information or conceal material facts.

Are character-reference letters mandatory?

No. There is no blanket requirement to submit character letters with every N-400.

USCIS may request them, and applicants may submit them voluntarily. Whether a letter strengthens or complicates the case depends on the circumstances.

Do character letters need to be notarized?

USCIS has not created a universal notarization requirement for these letters.

Notarization may add formality, but the most important factors are personal knowledge, specificity, credibility, accuracy, and consistency with the N-400.

Can USCIS investigate my social media?

USCIS and other agencies already use online and government-held information in immigration vetting.

Do not delete or fabricate content to obstruct an investigation. Review publicly available information for accuracy and discuss potentially misunderstood material with counsel.

Can criticism of Trump or the government hurt my citizenship case?

Lawful political speech and criticism of elected officials are protected aspects of American democracy, not evidence of disloyalty.

USCIS may examine constitutional attachment and certain unlawful conduct, but it should not equate peaceful protest, lawful association, religious belief, or disagreement with the administration with a lack of good moral character.

Any indication that protected speech drove an investigation or denial requires careful legal review.

Will a neighborhood investigation delay my citizenship case?

It may.

USCIS might postpone a decision while investigators contact third parties, reconcile information, issue an RFE, or arrange additional questioning. USCIS has not published a standard neighborhood-investigation timeline.

Can USCIS investigate me after my naturalization interview?

Yes. Passing the English and civics tests does not itself approve the N-400.

USCIS may continue investigating until it decides the application. Information discovered before the oath ceremony can affect eligibility. HLG has explained why some applicants experience a canceled or delayed naturalization oath ceremony.

Can USCIS investigate me after I take the oath?

After the oath is lawfully administered, the person is a U.S. citizen. USCIS cannot simply treat the N-400 as though it remains pending.

The government may pursue denaturalization in federal court in limited cases involving unlawful procurement or material concealment or misrepresentation. Denaturalization follows different procedures and imposes a demanding burden on the government.

Can I refuse to answer an investigator?

An applicant may request identification and ask to consult counsel. However, refusing a lawful and material request can produce immigration consequences.

The safest response depends on whether the contact is voluntary and whether USCIS has issued an RFE, subpoena, interview notice, or warrant.

What if USCIS discovers a problem with my green card?

Naturalization review can expose questions about whether permanent residence was lawfully obtained.

Depending on the facts, USCIS could deny the N-400 and refer the matter for fraud investigation, rescission, or removal proceedings. Legal review before filing is essential when the underlying green-card case contains risk.

The bottom line

USCIS has transformed a largely dormant statutory tool into a live feature of citizenship adjudication.

Some applicants may now face questions not only from a USCIS officer across an interview desk, but indirectly through the perceptions of neighbors, supervisors, coworkers, landlords, and business associates.

An investigation might uncover a material discrepancy. It may also generate gossip, cultural bias, retaliation, fear, delay, workplace disruption, privacy violations, and substantial public expense.

A democracy should hesitate before asking government agents to measure an immigrant’s morality by canvassing the people next door—particularly when the political officials ordering that scrutiny are held to no comparable standard.

Applicants should not panic. They should not manufacture evidence or assume that every N-400 will result in a home visit.

They should prepare carefully, reconcile their records, document residence and employment, identify possible vulnerabilities, and obtain individualized advice where the facts warrant it.

Do not let a surprise USCIS investigation define your citizenship case

Herman Legal Group has represented immigrants and families for more than 30 years. Founder Richard T. Herman is a nationally recognized immigration attorney, author, and commentator.

HLG helps naturalization applicants:

  • Determine whether it is safe to file Form N-400;

  • Review how permanent residence was obtained;

  • Identify criminal, tax, residence, travel, and good-moral-character risks;

  • Reconcile conflicting records;

  • Prepare appropriate evidence and witnesses;

  • Respond to neighborhood and workplace inquiries;

  • Challenge unreliable adverse information;

  • Answer RFEs and Notices of Intent to Deny;

  • Prepare for additional USCIS questioning; and

  • Preserve administrative and federal-court options.

If USCIS has contacted your neighbors, household, landlord, employer, or coworkers—or you are worried that applying for citizenship could expose a past problem—obtain legal advice before responding or filing.

Book a 60-minute confidential consultation with Attorney Richard Herman, call Herman Legal Group at 1-800-808-4013, or send HLG a confidential inquiry.

HLG represents naturalization applicants nationwide. Bring your N-400, green-card history, travel dates, tax records, criminal records, previous immigration filings, and any document or business card left by the investigator.

Authoritative resources

Written By Richard Herman
Founder
Richard Herman is a nationally recognizeis immigration attorney, Herman Legal Group began in Cleveland, Ohio, and has grown into a trusted law firm serving immigrants across the United States and beyond. With over 30 years of legal excellence, we built a firm rooted in compassion, cultural understanding, and unwavering dedication to your American dream.

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