Martinez Post Office

4100 Alhambra Ave, Martinez, CA 94553

Contact Numbers:

Phone: 925-228-2722
Fax: 925-228-1244
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 8:30am - 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 - 6:00pm
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-Saturday 5:00pm
Sunday Closed

Carrier Facility Hours

Monday-Friday 8:30am - 5:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

Passport Acceptance Hours

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

Global Express Guaranteed® Hours

Monday-Friday 8:30am - 5:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

Philatelic Services Hours

Monday-Friday 8:30am - 6:00pm
Saturday-Sunday Closed

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • 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)
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Priority Mail International®
  • Lot Parking

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:

Pacheco
4980 Pacheco Blvd
2.2 miles away

Benicia
290 E L St
2.5 miles away

Port Costa
3 Canyon Lake Dr
3.0 miles away

Concord
2121 Meridian Park Blvd
3.0 miles away

Reviews

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Old motto - Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds. New motto- Its a government job. Poor service is not only expected, we require it.
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I haven't received any post for 4 days...not a flyer, nor junk, not a bill to be found. Just nothin'. I have important things I'm expecting. I swear the dude only drops to 2 or 3 houses of his choosing and then kicks off for the night. Sometimes, if he can be bothered to show up at all, he wont rattle down the street until 8 pm. Not cool, Martinez postal service. Not cool.
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No stars.
• Replied to Chelsea

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So I put out a bill to be picked up on Saturday. It was put out at 8 am on Saturday with the flag UP and I come home on Sunday at 3 pm and GUESS WHAT my bill is still in my f***ing mail Box. I will be calling the Post Master and complaining again about what idiots that run the Martinez post office. I am also asking for my money back as I will have to delivery my BILL on my own. And the government doesn't understand why people are tired of the service we get. I will have to say the people doing our route are the worst, inconsiderate people out there and they all should be fired. Please fired and Re-Vamp the Martinez post office and all the people who work there. This isn't the first of many complaints that I have made and by the looks of it will be continued to make them until something is done. So SAD that these people represents the US Government
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