Post offices in the county of Marin, CA

Use this page to find the post offices in your county that open earliest or stay open latest. The open hours listed are for the post office's retail hours, which means the hours in which a postal service employee is available at the counter to help with mailings and other services. Oftentimes lobbies are open extended hours, and you are able to check your PO box, drop off packages, or use the self-service APC machine to buy postage. The list below is first sorted alphabetically by city, then by post office name. Street View photos of post offices are shown when available. Please contact us if you find an error, so that we can correct it.

Street View Image of Belvedere Tiburon Post Office in Belvedere Tiburon, CA

Belvedere Tiburon Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
6 Beach Rd Belvedere Tiburon , CA 94920-2366

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 10:00 AM 1:00 PM
Sunday Closed
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Street View Image of Corte Madera Post Office in Corte Madera, CA

Corte Madera Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
7 Pixley Ave Corte Madera , CA 94925-1457

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday Closed
Sunday Closed
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Street View Image of Dillon Beach Post Office in Dillon Beach, CA

Dillon Beach Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
52 Cypress Ave Dillon Beach , CA 94929-9600

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Open hours
Day Open Close
Monday 9:30 AM 1:30 PM
Tuesday 9:30 AM 1:30 PM
Wednesday 9:30 AM 1:30 PM
Thursday 9:30 AM 1:30 PM
Friday 9:30 AM 1:30 PM
Saturday Closed
Sunday Closed
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Street View Image of Fairfax Post Office in Fairfax, CA

Fairfax Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
773 Center Blvd Fairfax , CA 94930-1738

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
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Street View Image of Forest Knolls Post Office in Forest Knolls, CA

Forest Knolls Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
6 Castro St Forest Knolls , CA 94933-9100

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Tuesday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Wednesday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Thursday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Friday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Saturday Closed
Sunday Closed

Phone: 415-488-0533

  • Stamps.com logo
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Street View Image of Kentfield Post Office in Greenbrae, CA

Kentfield Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
822 College Ave Greenbrae , CA 94904-9991

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Open hours
Day Open Close
Monday 10:00 AM 12:00 PM
1:00 PM 5:00 PM
Tuesday 10:00 AM 12:00 PM
1:00 PM 5:00 PM
Wednesday 10:00 AM 12:00 PM
1:00 PM 5:00 PM
Thursday 10:00 AM 12:00 PM
1:00 PM 5:00 PM
Friday 10:00 AM 12:00 PM
1:00 PM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Inverness Post Office in Inverness, CA

Inverness Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
12781 Sir Francis Drake Blvd Inverness , CA 94937-9736

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Open hours
Day Open Close
Monday 8:30 AM 4:30 PM
Tuesday 8:30 AM 4:30 PM
Wednesday 8:30 AM 4:30 PM
Thursday 8:30 AM 4:30 PM
Friday 8:30 AM 4:30 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Lagunitas Post Office in Lagunitas, CA

Lagunitas Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
7120 Sir Francis Drake Blvd Lagunitas , CA 94938-8900

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Tuesday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Wednesday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Thursday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Friday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Larkspur Post Office in Larkspur, CA

Larkspur Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
120 Ward St Larkspur , CA 94939-1325

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Marshall Post Office in Marshall, CA

Marshall Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
19200 Highway 1 Marshall , CA 94940-9720

Get directions

Open hours
Day Open Close
Monday 9:00 AM 1:00 PM
Tuesday 9:00 AM 1:00 PM
Wednesday 9:00 AM 1:00 PM
Thursday 9:00 AM 1:00 PM
Friday 9:00 AM 1:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of MIll Valley Post Office in Mill Valley, CA

MIll Valley Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
751 E Blithedale Ave Mill Valley , CA 94941-1515

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 9:00 AM 2:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Nicasio Post Office in Nicasio, CA

Nicasio Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1 Old Rancheria Rd Nicasio , CA 94946-9701

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Tuesday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Wednesday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Thursday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Friday 8:00 AM 12:00 PM
12:30 PM 4:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Novato Post Office in Novato, CA

Novato Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1537 S Novato Blvd Novato , CA 94947-4111

Get directions

Open hours
Day Open Close
Monday 8:30 AM 6:00 PM
Tuesday 8:30 AM 6:00 PM
Wednesday 8:30 AM 6:00 PM
Thursday 8:30 AM 6:00 PM
Friday 8:30 AM 6:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Olema Post Office in Olema, CA

Olema Post Office does not have retail counter services

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
10155 Highway 1 Olema , CA 94950-8900

Get directions

Open hours
Day Open Close

Phone: 415-663-1761

  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Point Reyes Station Post Office in Point Reyes Station, CA

Point Reyes Station Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
11260 Highway 1 Point Reyes Station , CA 94956-9748

Get directions

Open hours
Day Open Close
Monday 8:00 AM 4:30 PM
Tuesday 8:00 AM 4:30 PM
Wednesday 8:00 AM 4:30 PM
Thursday 8:00 AM 4:30 PM
Friday 8:00 AM 4:30 PM
Saturday Closed
Sunday Closed

Phone: 415-663-1305

  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Ross Post Office in Ross, CA

Ross Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1 Ross Cmn Ross , CA 94957-9998

Get directions

Open hours
Day Open Close
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
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of San Anselmo Post Office in San Anselmo, CA

San Anselmo Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
121 San Anselmo Ave San Anselmo , CA 94960-2857

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of San Geronimo Post Office in San Geronimo, CA

San Geronimo Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
630 San Geronimo Valley Dr San Geronimo , CA 94963-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:30 PM
1:00 PM 4:00 PM
Tuesday 8:00 AM 12:30 PM
1:00 PM 4:00 PM
Wednesday 8:00 AM 12:30 PM
1:00 PM 4:00 PM
Thursday 8:00 AM 12:30 PM
1:00 PM 4:00 PM
Friday 8:00 AM 12:30 PM
1:00 PM 4:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of San Quentin Post Office in San Quentin, CA

San Quentin Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1 Main St San Quentin , CA 94964-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
1:00 PM 4:15 PM
Tuesday 8:00 AM 12:00 PM
1:00 PM 4:15 PM
Wednesday 8:00 AM 12:00 PM
1:00 PM 4:15 PM
Thursday 8:00 AM 12:00 PM
1:00 PM 4:15 PM
Friday 8:00 AM 12:00 PM
1:00 PM 4:15 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of CIVic Center San Rafael Post Office in San Rafael, CA

CIVic Center San Rafael Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
2 CIVic Center Dr San Rafael, CA 94903-9992

Get directions

Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Mission Rafael Post Office in San Rafael, CA

Mission Rafael Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
910 D St San Rafael, CA 94901-9991

Get directions

Open hours
Day Open Close
Monday 9:30 AM 5:00 PM
Tuesday 9:30 AM 5:00 PM
Wednesday 9:30 AM 5:00 PM
Thursday 9:30 AM 5:00 PM
Friday 9:30 AM 5:00 PM
Saturday 10:00 AM 1:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of San Rafael Post Office in San Rafael, CA

San Rafael Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
40 Bellam Blvd San Rafael, CA 94901-5333

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 10:00 AM 2:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Terra Linda Post Office in San Rafael, CA

Terra Linda Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
603 Del Ganado Rd San Rafael, CA 94903-9991

Get directions

Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Sausalito Post Office in Sausalito, CA

Sausalito Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
150 Harbor Dr Sausalito , CA 94965-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Stinson Beach Post Office in Stinson Beach, CA

Stinson Beach Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
15 Calle Del Mar Stinson Beach , CA 94970-9702

Get directions

Open hours
Day Open Close
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
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Tomales Post Office in Tomales, CA

Tomales Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
27005 Highway 1 Tomales , CA 94971-8800

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:30 PM
1:00 PM 2:30 PM
Tuesday 8:00 AM 12:30 PM
1:00 PM 2:30 PM
Wednesday 8:00 AM 12:30 PM
1:00 PM 2:30 PM
Thursday 8:00 AM 12:30 PM
1:00 PM 2:30 PM
Friday 8:00 AM 12:30 PM
1:00 PM 2:30 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Valley Ford Post Office in Valley Ford, CA

Valley Ford Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
14449 Highway 1 Valley Ford , CA 94972-9700

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
12:30 PM 2:30 PM
Tuesday 8:00 AM 12:00 PM
12:30 PM 2:30 PM
Wednesday 8:00 AM 12:00 PM
12:30 PM 2:30 PM
Thursday 8:00 AM 12:00 PM
12:30 PM 2:30 PM
Friday 8:00 AM 12:00 PM
12:30 PM 2:30 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Woodacre Post Office in Woodacre, CA

Woodacre Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
183 San Geronimo Valley Dr Woodacre , CA 94973-8700

Get directions

Open hours
Day Open Close
Monday 8:00 AM 4:15 PM
Tuesday 8:00 AM 4:15 PM
Wednesday 8:00 AM 4:15 PM
Thursday 8:00 AM 4:15 PM
Friday 8:00 AM 4:15 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value