N-400 at Santa Ana 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 Santa Ana Field Office
Santa Ana also handles N-600 (certificate of citizenship) at 9.0 to 10.5 months, I-485 (adjustment of status) at 12.5 to 23.5 months, and N-600K (citizenship under section 322) at 26.5 to 47.0 months. N-600K has a 20.5-month spread, the widest at the office. I-485 has 11 months. N-400 clears in 9.0 to 10.5 months, the fastest of the four forms on both ends and a 1.5-month band. At 9 months, the N-400 floor sits within the office's spread of openings.
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Frequently Asked Questions
How long does N-400 take at Santa Ana Field Office?
Current processing time for N-400 at Santa Ana 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.