USCIS Offices in California
USCIS operates Field Offices and Application Support Centers (ASC) in California for:
- Naturalization interviews (N-400)
- Biometrics (fingerprints + photo)
- Marriage/I-485 interviews
- Administrative appointments
- Document pickup
Offices in California
- Los Angeles
- San Francisco
- Fresno
- San Diego
- Sacramento
- San Jose
- Orange County
- San Bernardino
For exact address + hours + appointment scheduling, use USCIS official locator: → USCIS Office Locator
How to schedule USCIS appointment
USCIS does NOT allow walk-ins generally. You need appointment:
- Automatic notices (biometrics, interviews): USCIS sends by mail
- InfoPass appointment: for in-person inquiries — schedule via myUSCIS.com
- Emergencies: call USCIS Contact Center 1-800-375-5283
What to bring
- ☐ Appointment letter (printed or digital)
- ☐ Photo ID
- ☐ All USCIS receipts related to your case
- ☐ Valid passport
- ☐ Additional documents requested in your appointment letter
- ☐ Arrive 15 minutes early (security may take time)
Related information
- All USCIS forms
- N-400 Naturalization step-by-step
- Affidavit of Support (I-864)
- Public Charge Rule
- Path to citizenship
Last verified: 2026-05-24.
Additional USCIS resources for California
Field Offices vs Application Support Centers (ASC)
- Field Offices: large offices where interviews are held (naturalization, asylum, adjustment of status). Generally 1-2 per large state, 0-1 for small states.
- ASCs: smaller centers only for biometrics. Generally 2-5 per state.
How to know where your appointment is
- Your USCIS letter (I-797 receipt or I-797C action notice) indicates exact office
- myUSCIS account online shows status + appointment location
Address change (CRITICAL)
If you move AFTER submitting your USCIS petition:
- Change address via Form AR-11 (free, online: uscis.gov/ar-11) — WITHIN 10 DAYS of moving
- Notify USCIS for each pending case (myUSCIS account → Update address)
- Verify mail forwarding (USPS Change of Address)
USCIS emergency contacts
- Senator/Congressman office — can help with stalled cases or problems (free, contact your representative)
- USCIS Ombudsman: for systemic issues
- CIS Ombudsman Case Assistance Form: dhs.gov/case-assistance
- Attorney/BIA-accredited rep: for complex cases
Keep your info current
- Name change (marriage, divorce): Form I-90 for green card or N-565 for naturalization certificate
- Job change (if work visa case): notify via sponsor attorney
- Status or program change (DACA expired, asylum granted): update immediately
Last verified: 2026-05-24.
General procedural information for educational purposes. Not legal, tax, or immigration advice. Laws and fees change — verify with the issuing agency before taking action. For case-specific guidance, consult a licensed immigration attorney or other appropriate professional.
USCIS field offices serving California (verified 2026-05-26)
USCIS publishes 11 field offices that serve addresses in California. Source: uscis.gov/about-us/find-a-uscis-office/field-offices.
| Office | Address | District | Region | Service Center | ZIPs served | District HQ |
|---|---|---|---|---|---|---|
| Fresno | 744 P Street, Suite 120, Fresno, CA 93721 | San Francisco | W | CSC | 322 ZIPs | — |
| Imperial | 509 Industry Way, Imperial, CA 92251 | San Diego | W | CSC | 29 ZIPs | — |
| Los Angeles | 300 North Los Angeles Street, Los Angeles, CA 90012 | Los Angeles | W | CSC | 257 ZIPs | Yes |
| Los Angeles County | 300 North Los Angeles Street, Los Angeles, CA 90012 | Los Angeles | W | CSC | 182 ZIPs | — |
| Sacramento | 650 Capitol Mall, Sacramento, CA 95814 | San Francisco | W | CSC | 529 ZIPs | — |
| San Bernardino | 995 Hardt Street, San Bernardino, CA 92408 | San Diego | W | CSC | 227 ZIPs | — |
| San Diego | 1325 Front Street, San Diego, CA 92101 | San Diego | W | CSC | 190 ZIPs | Yes |
| San Fernando Valley | 19809 Prairie Street, 1st Floor, Suite 100, Chatsworth, CA 91311 | Los Angeles | W | CSC | 229 ZIPs | — |
| San Francisco | 630 Sansome Street, San Francisco, CA 94111 | San Francisco | W | CSC | 428 ZIPs | Yes |
| San Jose | 1450 Coleman Avenue, Santa Clara, CA 95050 | San Francisco | W | CSC | 214 ZIPs | — |
| Santa Ana | 34 Civic Center Plaza, Santa Ana, CA 92701 | San Diego | W | CSC | 149 ZIPs | — |
To find which specific office handles your ZIP code, use the USCIS ZIP lookup at the source URL above. Field-office assignment is based on your home ZIP, not the location where you file.
Related procedural information
- Consulate of your country in the US — passport renewal, consular ID, document apostille
- ITIN — file federal taxes without SSN — required regardless of immigration status
- USCIS form library — federal immigration forms (I-130, I-485, N-400, etc.)
- Find an immigration attorney — pro bono lists + AILA + BIA-recognized
- Know Your Rights — ICE encounters — constitutional protections