Brentwood Post Office

18 Oak St, Brentwood, CA 94513

Contact Numbers:

Phone: 925-240-2065
Fax: 925-513-6680
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 9:00am - 5:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 10:00am - 3:00pm
Saturday-Sunday Closed

Pickup Services Hours

Monday-Friday 9:00am - 5:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

PO Box Access Hours

Monday-Sunday 12:01am - 11:59pm

PO Box Delivery Time

Monday-Saturday 10:00am
Sunday Closed

Last Collection Times

Monday-Friday 5:00pm
Saturday 4:00pm
Sunday Closed

Self-Service Kiosk Availability

Monday-Sunday 12:01am - 11:59pm

Carrier Facility Hours

Monday-Saturday 9:00am - 4:00pm
Sunday Closed

Passport Acceptance Hours

Monday-Friday 10:00am - 3:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

  • Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
  • You will need two forms of Identification with copies.
  • A passport quality photo if no available photo hours listed.
  • The appropriate application form printed and filled out, and the required fee for applying or renewing.
  • You can find up to date costs, information, and forms at the State Departments Travel Site

Passport Photo Hours

Monday-Friday 10:00am - 3:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

Global Express Guaranteed® Hours

Monday-Friday 9:00am - 5:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

  • Bulk Mail Acceptance
  • Burial Flags
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Global Express Guaranteed®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Priority Mail International®
  • Sure Money

Visit our Links Page for Change of Address, Hold Mail/Stop Delivery, PO Boxes™ rentals and fees, Rates on Postage Stamps and Freight/Shipping, Holidays, Bulk Mail, Money Orders, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Knightsen
3019 Knightsen Ave
1.7 miles away

Oakley
400 Del Antico Ave
2.5 miles away

Byron Ca Discovery Bay
3345 Bixler Rd
3.2 miles away

Byron
3852 Main St
3.3 miles away

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