ZIP Code 94409: San Mateo, CA

San Mateo in San Mateo County, California uses ZIP code 94409. Its reference point is at latitude 37.3811 and longitude -122.3348 (37°22'52.0"N 122°20'05.3"W).

Location Overview of ZIP Code 94409

San Mateo has 9 ZIP codes in our directory, and San Mateo County has 55.

California has 2,792 ZIP codes listed in total.

The nearest listed ZIP code is 94003 (Belmont), which shares the same reference point.

Key facts for ZIP code 94409
ZIP code94409
PlaceSan Mateo
CountySan Mateo County
StateCalifornia
CountryUnited States
Latitude37.3811
Longitude-122.3348

All ZIP codes in San Mateo · California

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    Map of ZIP Code 94409

    Map centred on 37.3811, -122.3348. The pin marks the ZIP code's reference point, not its boundary.

    Photos of San Mateo, California

    Video: San Mateo, California

    Top 10 Best Things to Do in San Mateo, California - Travel Guide 2025 — by DoTravel · Watch on YouTube

    ZIP Codes Near 94409

    These 16 ZIP codes have the closest reference points to 94409, measured in a straight line.

    94003
    Belmont
    same location
    94011
    Burlingame
    same location
    94012
    Burlingame
    same location
    94016
    Daly City
    same location
    94017
    Daly City
    same location
    94026
    Menlo Park
    same location
    94029
    Menlo Park
    same location
    94031
    Millbrae
    same location
    94045
    Pacifica
    same location
    94059
    Redwood City
    same location
    94064
    Redwood City
    same location
    94067
    San Bruno
    same location
    94071
    San Carlos
    same location
    94083
    South San Francisco
    same location
    94096
    San Bruno
    same location
    94098
    San Bruno
    same location

    Nearby Cities and Towns

    The closest places to ZIP code 94409, measured in a straight line from its reference point. Road distances will be longer.

    Schools Near San Mateo

    School places are usually allocated by home address, so families living around ZIP code 94409 should confirm their catchment school with the local education authority for San Mateo, San Mateo County.

    Looking at nearby areas such as Belmont, Burlingame and Daly City widens the choice of state, private and international schools. The links below open live Google Maps results centred on this location.

    Parks and Outdoor Recreation

    Parks, playgrounds and walking trails around San Mateo are easiest to find on the map above or with the searches below, which are centred on ZIP code 94409.

    Hospitals and Healthcare

    Hospitals, clinics and pharmacies serving San Mateo can be found with the searches below. In an emergency in the United States, call 911.

    Residents may also use facilities in nearby Belmont, Burlingame and Daly City.

    Shopping and Dining in San Mateo

    Restaurants, supermarkets and shopping centres in and around San Mateo are listed in the Google Maps searches below, with current opening hours and reviews.

    Libraries and Historical Places

    Public libraries, museums and historic sites near San Mateo, California can be found with the searches below.

    For local history, try the archives of San Mateo County along with the name San Mateo.

    Roads, Rivers and Lakes

    From ZIP code 94409, Belmont shares the same reference point, Burlingame shares the same reference point, Daly City shares the same reference point, Menlo Park shares the same reference point and Millbrae shares the same reference point in a straight line. Use the directions link for routes and road names.

    Rivers, lakes and coastline near San Mateo show up on the map above, or you can search for them directly.

    Frequently Asked Questions About ZIP Code 94409

    ZIP code 94409 is in San Mateo, San Mateo County, California, United States.

    ZIP code 94409 is in San Mateo County, which is part of California.

    The reference coordinates for ZIP code 94409 are latitude 37.3811 and longitude -122.3348 (37°22'52.0"N 122°20'05.3"W).

    The closest ZIP codes to 94409 are 94003 (Belmont, same location), 94011 (Burlingame, same location), 94012 (Burlingame, same location), 94016 (Daly City, same location) and 94017 (Daly City, same location).

    San Mateo, California has 9 ZIP codes in our directory. 94409 is one of them; see the San Mateo page for the full list.

    Photo & Video Credits

    • Photo 1 (“Thanksgiving prologue (8204235355)”): Charles Nadeau from San Mateo, CA, CC BY 2.0, via Wikimedia Commons.
    • Photo 2 (“Lexington Reservoir”): Dicklyon, CC BY-SA 4.0, via Wikimedia Commons.
    • Video: “Top 10 Best Things to Do in San Mateo, California - Travel Guide 2025” by DoTravel, embedded from YouTube. All rights belong to the creator.

    Photos are shown from their original source under the licenses listed. They were taken near this location and may show neighbouring areas.

    Data for ZIP code 94409 comes from GeoNames and is provided for general reference. Always confirm mailing details with the U.S. Postal Service (USPS).