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COURT

Post Office™
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815 COURT ST
MARTINEZ, CA 94553-9991

Closed

Monday

8:30 am - 5:00 pm

Tuesday

8:30 am - 5:00 pm

Wednesday

8:30 am - 5:00 pm

Thursday

8:30 am - 5:00 pm

Friday

8:30 am - 5:00 pm

Saturday

Closed

Sunday

Closed

See More Hours

1-800-ASK-USPS® | 800-275-8777
Phone | 925-229-4795
TTY | 877-889-2457

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Services at the Court Post Office

Service hours may vary. For all location services, see all hours.

  • Greeting Card Services
  • There are no passport services available at this location.
  • Retail Label Broker®
  • PO Box™ Online
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Call Referral
  • There are no biometric services available at this location.
Retail

Mon-Fri 8:30 am-5:00 pm

Sat Closed

Sun Closed

Call Referral

Mon-Fri 8:30 am-5:00 pm

Sat Closed

Sun Closed

Last Collection

Mon-Fri 5:00 pm

Sat 2:00 pm

Sun Closed

Pickup Accountable Mail

Mon-Fri 10:30 am-5:00 pm

Sat Closed

Sun Closed

Pickup Hold Mail

Mon-Fri 10:30 am-5:00 pm

Sat Closed

Sun Closed

Pickup Notice Left Mail

Mon-Fri 10:30 am-5:00 pm

Sat Closed

Sun Closed

PO Box™ Access

Mon-Fri 8:30 am-5:00 pm

Sat 10:30 am-5:00 pm

Sun Closed

PO Box™ Delivery

Mon-Fri 10:00 am

Sat Closed

Sun Closed

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BENICIA, CA 94510-9998

PORT COSTA

3 CANYON LAKE DR

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At This Location

Lot Parking Available

For facility accessibility, please call the Post Office.
1-800-ASK-USPS® (800-275-8777)

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