Nicasio Post Office

1 Old Rancheria Rd, Nicasio, CA 94946

Contact Numbers

Phone: 415-662-2000
Fax: 415-662-2000
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 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday Closed
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for links to 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:

Forest Knolls
6 Castro St
1.9 miles away

Lagunitas
7120 Sir Francis Drake Blvd
1.9 miles away

San Geronimo
630 San Geronimo Valley Dr
2.3 miles away

Woodacre
183 San Geronimo Valley Dr
2.9 miles away

Reviews

*Comments below are not read by postal employees. Please do not post personal information.



*By clicking Submit, you agree to our Privacy Policy & Terms of Use.



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