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Voucher CompassSSI, SSDI and Social Security offices · by Green Tips 1

Independent guide, not a government agency

Independent guide · not the SSA

Social Security office · San Leandro, CA

Social Security office in San Leandro, CA 320 Davis St

This field office is at 320 Davis St, San Leandro, CA 94577. SSA's file lists 9:00 AM to 4:00 PM on weekdays. It serves 3 ZIP codes in SSA's December 2024 data. Hours change, so call before you go.

(866) 331-2181HoursWhat to bring
ZIP codes served320,150 beneficiaries live in them (Dec 2024)
Hours (SSA data)Mon–Fri 9:00 AM–4:00 PM
Address320 Davis St
San Leandro, CA 94577

Address, phone and hours

320 Davis St
San Leandro, CA 94577

Phone: (866) 331-2181
Fax: (833) 902-2606

Call before you go. These hours come from SSA's data file (copy of Aug 28, 2026). A county site checked for this guide showed different hours for some offices, so confirm by phone.

Monday9:00 AM – 4:00 PM
Tuesday9:00 AM – 4:00 PM
Wednesday9:00 AM – 4:00 PM
Thursday9:00 AM – 4:00 PM
Friday9:00 AM – 4:00 PM
Saturday, SundayClosed

Before you go

  1. Call the office firstAsk if you need an appointment. Many things can be done by phone.
  2. Bring original papersSSA asks for originals or certified copies, and gives them back.
  3. Keep notesWrite down the date, the name of the person and what they said.
See the full checklist

ZIP codes this office serves

SSA data from December 2024 lists 3 ZIP codes in the area of this office. People who live there were 20,150 Social Security beneficiaries, and 1,810 of them were disabled workers.

Largest ZIP codes by number of beneficiaries

  • 945779,995
  • 945785,690
  • 945794,465
All 3 ZIP codes
  • 94577
  • 94578
  • 94579

ZIP list as of December 2024. An office that changed its area since then may differ. To check a ZIP code, use the office finder.

Who gets benefits in this area

20,150Social Security beneficiaries in the ZIP codes above
1,810disabled workers (SSDI)
$34.3 millionpaid to them in December 2024

Counts from SSA's December 2024 file, rounded by SSA. They do not include people who get only SSI.

If you appeal a disability decision

SSA lists this office among the field offices served by the Oakland hearing office. In August 2026 the average wait for a hearing there was 8.0 months, about the same as the median of all hearing offices (8.0 months). From the request to the decision it took 261 days on average (ranked 88 of 159, where 1 is fastest).

A hearing comes after a reconsideration. You usually have 60 days from the date you receive a notice to appeal. See the appeal steps.

2027 amounts and next payment dates

$1,029SSI federal maximum per month in 2027, one person ($994 in 2026)
$1,544SSI federal maximum for a couple in 2027
3.6%Cost-of-living raise for 2027 (COLA)
$1,770SSDI work limit (SGA) per month in 2027, not blind
  • Tuesday, Dec. 1, 2026SSI payment for December 2026
  • Nov. 10, 2026 · Nov. 18, 2026 · Nov. 25, 2026SSDI in November 2026, by birth date (1st–10th, 11th–20th, 21st–31st)
SSI calculatorFederal amount plus your stateMy payment dateSSI and SSDI, 2026–2027What to bringChecklist for your visit

Other offices in the 945xx ZIP code area

All 124 offices in California

Questions people ask

Do I need an appointment at the San Leandro office?

SSA's data file does not say. Call (866) 331-2181 before you go. Ask if you need an appointment and which papers to bring. Many services can also be done by phone at 1-800-772-1213.

Which ZIP codes does this office serve?

SSA's December 2024 data lists 3 ZIP codes for it, such as 94577, 94578, 94579. The full list is above.

Can I apply for SSI or SSDI without going to the office?

Yes. SSA takes applications online at ssa.gov, by phone at 1-800-772-1213 (TTY 1-800-325-0778) and at local offices. Applying is free.

Is this the official Social Security website?

No. This is an independent guide. It shows the office's public data from SSA files so you can call or visit. Only SSA can handle your claim.

Independent guide · not the SSA. Green Tips 1 US is a private guide. We are not the Social Security Administration, we are not part of it, and we do not take applications. To handle a claim, call the office or SSA at 1-800-772-1213.

SSA office code D48. Sources: SSA field office data file (FO-Address-Open-Close-Times.csv, Web Archive copy of Aug 28, 2026); SSA, OASDI Beneficiaries by State and ZIP Code, December 2024 (oasdi_zip24.xlsx); SSA Office of Hearings Operations: hearing office locator file, average wait until hearing (Aug 2026), average processing time and ALJ dispositions (12 months through Jul 31, 2026). Official site, typed by hand: ssa.gov. Read in October 2026; data dates as noted.