How long is N-400 taking in Imperial CA?
Each form has a published range for every office, and where yours is handled can change it by months.
N-400 · Application for Naturalization
USCIS published these on September 17, 2026
USCIS posts
14.5 to 18 months
Imperial CA
N-400 by office - fastest first
Pick one to see its dates above.
- San Juan PR9.5–11 mo
- Cranbury NJ9–12 mo
- Helena MT9.5–11.5 mo
- Montgomery AL9.5–12 mo
- Hialeah FL9.5–12.5 mo
- Burlington VT10.5–12 mo
Forms decided at a local field office, where which office you are assigned to changes the answer by months.
USCIS publishes the time by which 80% and 93% of cases were completed. Confirm on USCIS's processing times page.