N-400 at Washington DC Field Office
Form N-400, Application for Naturalization, is filed with USCIS to apply for US citizenship.
Verified from USCIS on 2026-06-05
How N-400 compares to other forms at the Washington DC Field Office
Three other forms share the Washington DC docket: N-600 (certificate of citizenship) at 8.0 to 11.0 months, I-485 (adjustment of status) at 13.0 to 20.5 months, and N-600K (citizenship under section 322) at 38.5 to 56.5 months. N-600 is fastest. N-600K reaches a 56.5-month ceiling. N-400 clears in 9.5 to 11.0 months, the second-fastest of the four forms here and a 1.5-month band. Its upper bound falls 9.5 months below I-485's ceiling. The N-400 band runs 1.5 months tighter than N-600's.
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Frequently Asked Questions
How long does N-400 take at Washington DC Field Office?
Current processing time for N-400 at Washington DC Field Office is 9.5 months to 11 months, based on the latest data from USCIS.
When was N-400 processing time data last updated?
The data was last updated on 2026-06-05, sourced from USCIS.
What factors affect N-400 processing time?
Processing times vary based on application volume, case complexity, security checks, and the completeness of submitted documentation. Times shown are estimates and individual cases may differ.