N-400 at San Diego 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 San Diego Field Office
Three other forms share the San Diego docket: I-485 (adjustment of status) at 9.0 to 19.0 months, N-600K (citizenship under section 322) at 18.5 to 19.0 months, and N-600 (certificate of citizenship) at 23.5 to 27.5 months. I-485 has the widest range. N-600K holds a half-month band. N-400 clears in 9.5 to 13.0 months, a 3.5-month band in the lower tier of the office. The combined sibling spread of 14.5 months runs about 4.1 times the N-400 band.
Get notified when N-400 processing time changes
Free alerts. No spam. Unsubscribe anytime.
Calculator
When will your N-400 at San Diego Field Office likely be processed?
Enter your date and get a predicted window based on current processing times.
Frequently Asked Questions
How long does N-400 take at San Diego Field Office?
Current processing time for N-400 at San Diego Field Office is 10.5 months to 15 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.
