USCIS Offices in California — where to process immigration

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:

1. Automatic notices (biometrics, interviews): USCIS sends by mail
2. InfoPass appointment: for in-person inquiries — schedule via myUSCIS.com
3. 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:

1. Change address via Form AR-11 (free, online: uscis.gov/ar-11) — WITHIN 10 DAYS of moving
2. Notify USCIS for each pending case (myUSCIS account → Update address)
3. 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: 2026-05-25.

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.

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