ZIP Code 94977 in Larkspur, CA

Data Last Updated: February 1, 2026
City:Larkspur, California
County:Marin County
Timezone:Pacific (GMT -08:00)
Local Time:9:54:25 AM
Population:No Population Data
Area Codes:415 / 628
Classification:PO Box
Coordinates:37.9344, -122.5344
Quick Link:
https://www.zip-codes.com/zip-code/94977/zip-code-94977.asp

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94977 Larkspur, CA - PO Box Facility

ZIP Code 94977, Larkspur

Small Town Unique ZIP No Census Data
LocationMarin County, CA
Area0 sq mi Single Point
Delivery Points320 (89 businesses)
PO Boxes231
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 94939
Key Facts
  • This is a PO Box-only ZIP code that serves as a mailing facility rather than a geographic area.
  • The post office offers 231 PO Boxes for Larkspur residents and businesses.
  • 89 business accounts use this ZIP, showing its popularity with local commercial operations.
  • Street delivery in Larkspur is handled by ZIP 94939, which geographically contains this facility.
  • All mail records point to Ward Street, the location of the postal facility.

Overview

ZIP code 94977 is a PO Box-only mail facility serving Larkspur, California, in Marin County. It doesn't cover a geographic territory. Instead, it exists as a point location within ZIP 94939. The post office maintains 231 PO Boxes and serves 89 business accounts from this facility.

The Ward Street Location

All 95 delivery records are associated with Ward Street units, indicating the postal facility is located on Ward Street in downtown Larkspur. Larkspur residents who want a dedicated PO Box use this ZIP code. Those who prefer street delivery receive mail through neighboring ZIP 94939, which handles carrier routes for the area.

A Marin County Mailing Option

This setup is typical for affluent Marin County communities. Having a separate PO Box ZIP gives businesses and residents a dedicated mailing address distinct from residential street delivery. The 89 business accounts suggest many local shops and professional offices use 94977 for their correspondence.

Street Name Patterns

Commercial Facility

Ward Street is the sole street address, indicating a single postal facility location.

Nearby Areas

Alto Sutton Manor Country Club San Anselmo Almonte Sleepy Hollow

Business & Employment Statistics


ZIP Code 94977 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:313Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 94977 is located in Marin County, California, within the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area (CBSA 41860) and California's 2nd Congressional District. This Metro area has a population of 4,335,391 people, about 0.00% of whom live in ZIP Code 94977, and is subdivided into the San Rafael, CA division. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:San Francisco-Oakland-Fremont, CASource: Census
CBSA Number:41860Source: Census
CBSA Type:MetroSource: Census
CBSA Division:San Rafael, CA (CBSA Div 42034)Source: Census
CBSA Population:4,335,391Source: Census
MSA:San Francisco-Oakland-San Jose, CA CMSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:02Source: USPS
Congressional Land Area:12952.23 sq miSource: Census
PMSA:San Francisco, CA PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0640438Source: Census
Place Name:Larkspur city; CaliforniaSource: Census

Adjacent & Nearby ZIP Codes


94978 | | 94976

Schools in ZIP Code 94977


We could not locate which school district 94977 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Tamiscal High (Alternative) 305 Doherty Dr.
Larkspur, CA 94939
District: Tamalpais Union High School DistrictNearby
Hall Middle 200 Doherty Dr.
Larkspur, CA 94939
District: Larkspur Elementary School DistrictNearby
San Andreas High (Continuation) 599 William Ave.
Larkspur, CA 94939
District: Tamalpais Union High School DistrictNearby
Redwood High 395 Doherty Dr.
Larkspur, CA 94939
District: Tamalpais Union High School DistrictNearby
Neil Cummins Elementary 58 Mohawk Ave.
Corte Madera, CA 94925
District: Larkspur Elementary School DistrictNearby
St Patrick School 120 King St
Larkspur, CA 94939
District: Private SchoolNearby
Chronos Academy 110 Magnolia Ave
Larkspur, CA 94939
District: Private SchoolNearby
Marin Primary & Middle School 20 Magnolia Ave
Larkspur, CA 94939
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 94977


College Of Marin 835 College Ave
Kentfield, CA 94904-2590
Type: Post Secondary
Dominican University Of California 50 Acacia Ave
San Rafael, CA 94901-2298
Type: Post Secondary
Contra Costa College 2600 Mission Bell Dr
San Pablo, CA 94806
Type: Post Secondary
University Of San Francisco 2130 Fulton St
San Francisco, CA 94117-1080
Type: Post Secondary
Miami Ad School-San Francisco 500 Sansome St, B1
San Francisco, CA 94111
Type: Post Secondary
Bay Area Medical Academy 530 Bush Street #201
San Francisco, CA 94108-3623
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov