Brentwood Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

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

Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed

Passport Appointment Hours*

Monday 9:00am - 3:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed

Routine processing has resumed. Please see State Department Response to COVID-19 webpage for more information.
  • 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. Available at location.
  • 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

*An appointment is required to apply for or renew US Passports. Please Call or schedule online.

Bulk Mail Acceptance Hours

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

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • Lot Parking
  • Passport Appointment Hours

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

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

Nearby Post Offices:

3019 Knightsen Ave
1.7 miles away

400 Del Antico Ave
2.6 miles away

Byron Ca Discovery Bay
3345 Bixler Rd
3.2 miles away

3852 Main St
3.3 miles away


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The Brentwood post office is filthy and grimy. All efforts of the very nice post master have gone pretty much ignored. I filed two complaints last year and janitorial service was approved for one Sunday to thoroughly clean the dead flies out of the windows, clean the floors and counters. One time … it is awful that no help is placing the employees and public at risk. I have photos of the grim and dirty ,authorities should assign regular custodians. The floors and counters are germ filled and filthy. Dead flies and dirt visible in the entrance. Doors


I live in Summerset One and I want to let you know your mail carrier is not good at delivering mail to this area. I received mail for my neighbor last week, she received mail for another neighbor and today I received mail for three of my neighbors plus mine. I noticed when I came on this sight that there have been other similar complaints made to you. Some training or discipline needs to take place.


The mailbox for Lavender Drive, Brentwood, CA 94513 has been broken now for about three weeks. We were told to drive downtown to pick up our mail. This is inconvenient - especially for people who work. From what I understand, the problem was not reported until I questioned the supervisor after a week of picking up mail. The carrier told me when I saw her that she was trying to fix a jarred lock herself! What's going on. This is such poor service. Either fix the box or hand deliver the mail to our homes. This is not ACCEPTABLE,


package lost


Brentwood Post Office give the most Horrible service ever. I am unable to get my husband's heart monitor out of the service box because the KEY for 1PD is stuck again!!!!!!!@ This has been going on for 4 years and the box is not fixed!!!!@ PLUS I keep getting mail from the previous tenant - for 4 years. Our regular post person never does this - but as soon as you change they don't know how to READ!


Where is d form to make my passport appt to 94513? I called POff I was told that I should do it online. Thanks


I live in Summerset One. Saturday I received mail for 2 other houses, one of them several blocks away. Please sort carefully. Thank you.


I will NEVER use Brentwood USPS to ship items. During the year I ship small packages and unless I ship them priority, this post office will hold them for days on end until they feel like shipping them out. Last week, 5/30/17, I dropped of six packages before the post office opened, in the inside drop box, at around 8:30 am. These packages were not scanned into the system until after 11 pm the same day. Today, 6/5/17, I asked my mom to bring a package to be scanned to be sure it was scanned before 11 am. The woman at the desk told her (my mother) that they have a FEE they charge if they have to scan a package while the customer is standing there. When I called another local post office, they had never heard of such a thing. The current employees either need to be re-trained or retired for more efficient staff!


We had a hold on our mail from 3-4-17 until 3-15-17- The mail was stuffed in the mail box with some small packages and couldn't even close the top part of our mail box as mail was to full. Some of the larger packages were on our front door. I know our regular mailman would never do this. I had to make two trips to our box in order to empty it. Our regular mailman would never do this, When weve had mail held before he would bring it to us in a crate and ring the doorbell. I am very dissapointed in how this was handled. Margot


i got question mail i was suppbose to get never came yesterday when i check mail but after that my friend said mail been deliver at my house at 3:45pm but we never recive anything. address is right and stuff could it be still in post office this was yesterday


Weekend staff is nice. However, morning staff is the worst in weekdays. They are unfriendly,lazy, and rude. Window staff doesn't want to help pick up for vacation hold, you need to keep knocking the pick up door hard because the ring is broken. Really sad that I need to go this location to pick up because of my zip code. Hope they can be little nicer and work better.


Be careful. This location does not respond to electronic request for vacation hold or temporary forwarding.

* is not a part of, or affiliated with, the official United States Postal Service (USPS).