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San Mateo Post Office Hours

Retail Hours

Contact Numbers:

Phone: 650-358-8476
Monday-Friday 8:30am - 5:00pm
Saturday 9:00am - 12:30pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:30am - 12:00pm, 1:00pm - 4:00pm
Saturday-Sunday Closed

Monday-Friday 8:45am - 5:00pm
Saturday 9:00am - 12:30pm
Sunday Closed

Lobby Hours

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

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

Last Collection Times

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Brahamma Nand (Postmaster)
1630 S Delaware St
San Mateo, CA 94402

The San Mateo Post Office is located in the state of California within San Mateo County. This location serves 23,981 San Mateo residents with a median income of $108,701. It's estimated that approximately 38,276 packages pass through this post office each year.

San Mateo Post Office Location

San Mateo California Local Links