USCIS Is Bringing Back Neighborhood Investigations for Naturalization Applicants
Your N-400 may no longer be the only place U.S. Citizenship and Immigration Services (USCIS) looks for information about your eligibility for citizenship.
In August 2026, USCIS announced the return of personal investigations, commonly called neighborhood investigations, for naturalization applicants. The policy revives authority under Section 335(a) of the Immigration and Nationality Act (INA) that USCIS had largely stopped using decades ago.
This does not mean an investigator will visit the neighborhood of every person who applies for citizenship. It does mean applicants should understand that USCIS can look beyond the application and interview when deciding whether naturalization requirements have been established.
What Is a Neighborhood Investigation?
Under the new policy, USCIS will decide on a case-by-case basis whether to conduct or waive a personal investigation.
An investigation can involve seeking information from people who know the applicant. USCIS specifically identifies neighbors, employers, co-workers, and business associates as potential sources of information about whether someone meets the requirements for naturalization.
USCIS may also ask applicants to provide testimonial letters from these individuals. Providing appropriate evidence with the N-400 may help USCIS determine that a neighborhood investigation is unnecessary.
The same guidance reinforces USCIS’s responsibility during the naturalization examination under INA 335(b) to validate information and documentation provided by the applicant.
Why Could USCIS Look Beyond the N-400?
Naturalization requires more than meeting residence requirements and passing English and civics tests.
Applicants must establish good moral character during the applicable statutory period and satisfy other requirements for citizenship. USCIS may examine an applicant’s history and circumstances when making those determinations.
Information gathered through a personal investigation could therefore become relevant when USCIS evaluates whether statements on the N-400 accurately reflect the applicant’s history and whether the applicant satisfies the requirements for naturalization.
The decision to conduct or waive the investigation itself is discretionary and based on USCIS's individualized review of the record.
Review Your History Before Someone Else Does
The return of neighborhood investigations makes consistency across an applicant’s records particularly important.
Before filing Form N-400, applicants should carefully review:
Addresses and dates of residence.
Employment history and periods of unemployment.
Prior immigration applications and petitions.
Travel outside the United States.
Tax filing history and any unresolved tax obligations.
Criminal or other history that must be disclosed.
An innocent discrepancy does not automatically mean someone is ineligible for citizenship. But conflicting dates, unexplained gaps, or answers that differ from prior government filings can invite additional questions.
Applicants should also resist the temptation to provide USCIS with testimonial evidence simply because the new policy mentions it. What evidence belongs in a naturalization case depends on the applicant’s individual history.
Prepare for the Naturalization Review USCIS May Actually Conduct
The return of personal investigations underscores the importance of viewing an N-400 as part of a larger record rather than as a standalone form.
The immigration attorneys at Sharma Law Associates help New York lawful permanent residents review their immigration and personal histories, identify potential naturalization concerns, and prepare N-400 applications with USCIS scrutiny in mind.
If you are preparing to apply for citizenship and are concerned about what USCIS may find during its history validation, call Sharma Law Associates at 646-760-6339, contact us online, or schedule a consultation before filing.
