Where is Belmont, California, U.S.

Written and Fact-checked by | Updated On: May 11, 2026

Where is Belmont, California Located in the United States? - Belmont is a city located in the San Mateo County in California, United States. Belmont lies between 37.5202 Degrees North latitudes and -122.2758 Degrees West longitudes.

Location Map of Belmont, San Mateo, California

Where is Belmont Located in San Mateo, California

About Map: The map shows the location of Belmont in San Mateo County, in the U.S. state of California.

Belmont Map, California, USA

About Belmont Map: This Google Map provides a detailed view with zoom, satellite, and street options to explore the area and its surroundings.

About Belmont, San Mateo County, California

Belmont is located in San Mateo County in the U.S. state of California, United States. It lies in the northern part of the state in the state of the United States along the San Francisco Peninsula within the San Francisco Bay Area. The city was incorporated in 1926 and its name means “beautiful mountain” in Italian, referring to the scenic hills that rise above the community, and it developed from a small residential settlement into a suburban city.

Population

According to the United States Census Bureau, the population of Belmont is 27,769 as recorded in the 2020 Census, and the population density is approximately 5,800 people per square mile.

Geography

According to the United States Census Bureau, Belmont covers a total area of approximately 4.6 square miles (about 11.9 square kilometers), including about 4.6 square miles (11.9 square kilometers) of land and a minimal amount of water area.

Location and Surroundings

Belmont is situated south of San Mateo and north of San Carlos, positioned along the western shoreline of the San Francisco Bay on the San Mateo Peninsula. The city features residential neighborhoods, hillside communities, and nearby open space areas extending toward the Santa Cruz Mountains. U.S. Route 101 and Interstate 280 provide major transportation routes connecting Belmont to surrounding communities across the San Francisco Bay Area.

Top Attractions

Belmont offers parks, cultural landmarks, and outdoor recreation areas that support tourism and community activities. Popular destinations include Twin Pines Park, the historic Ralston Hall Mansion, and Water Dog Lake Park with hiking and biking trails. The city hosts art events, community festivals, and seasonal programs throughout the year.

Transportation

Belmont is served by U.S. Route 101 and Interstate 280, offering convenient highway access throughout San Mateo County and the San Francisco Bay Area. Public transportation includes Caltrain commuter rail and regional bus services connecting the city to surrounding communities. The nearest major airport is San Francisco International Airport, located approximately 12 miles to the north.

Explore more cities in California or visit the United States Map section to learn more about the country’s geography.

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the Official Belmont City Website.

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Belmont City Facts

CityBelmont
StateCalifornia
CountySan Mateo County
CountryUnited States
RegionSan Francisco Bay Area - Peninsula
IncorporatedOctober 29, 1926
Founded1850s settlement
Total AreaApproximately 4.6 sq mi (11.9 km2)
Land AreaApproximately 4.6 sq mi (11.9 km2)
ElevationApproximately 102 ft (31 m)
Population (2023 estimate)Approximately 29,000+
Population (2020 Census)28,335
Population DensityApproximately 6,200 people per sq mi
Time ZonePacific Time (UTC-8 / UTC-7 DST)
ZIP Codes94002
Area Code650
Major HighwaysU.S. Route 101, Interstate 280
Public TransitCaltrain, SamTrans Bus
Major AttractionsWaterdog Lake Park, Twin Pines Park, Notre Dame de Namur University
Official Websitehttps://www.belmont.gov/

Distance from Belmont City, CA to Nearby Cities

  • San Carlos, CA – 2 miles (3 km)
  • San Mateo, CA – 4 miles (6 km)
  • Redwood City, CA – 5 miles (8 km)
  • Foster City, CA – 5 miles (8 km)
  • Burlingame, CA – 7 miles (11 km)
  • Millbrae, CA – 9 miles (14 km)
  • San Bruno, CA – 11 miles (18 km)
  • Menlo Park, CA – 10 miles (16 km)
  • Palo Alto, CA – 12 miles (19 km)
  • Mountain View, CA – 18 miles (29 km)
  • Sunnyvale, CA – 20 miles (32 km)
  • Santa Clara, CA – 25 miles (40 km)
  • San Jose, CA – 28 miles (45 km)
  • Daly City, CA – 15 miles (24 km)
  • San Francisco, CA – 20 miles (32 km)
  • Oakland, CA – 25 miles (40 km)
  • Berkeley, CA – 30 miles (48 km)
  • Hayward, CA – 22 miles (35 km)
  • Fremont, CA – 25 miles (40 km)
  • Union City, CA – 24 miles (39 km)

Belmont, California Climate and Weather Overview

MonthAvg High (°F)Avg Low (°F)Avg Rainfall (in)
January58434.3
April65471.4
July78570.1
October74541.0
Annual695022.5
Climate AttributeDetails
Climate ClassificationWarm-Summer Mediterranean (Köppen Csb)
Annual RainfallApproximately 22 inches
Annual Sunshine DaysAbout 260 days
Hurricane/Tornado RiskVery Low - Occasional winter storms and coastal winds
SnowfallNone

Driving Distances from Belmont, California

CityStateDistance (mi)Approx. Drive Time
San CarlosCalifornia25 min
San MateoCalifornia410 min
Redwood CityCalifornia510 min
Foster CityCalifornia512 min
HillsboroughCalifornia615 min
BurlingameCalifornia815 min
Menlo ParkCalifornia1018 min
Palo AltoCalifornia1220 min
Half Moon BayCalifornia1530 min
San FranciscoCalifornia2435 min

Transportation and Connectivity in Belmont, California

TransportationDetails
Airport NameSan Francisco International Airport
IATA CodeSFO
PortPort of Redwood City (nearby)
Major HighwaysU.S. Highway 101, Interstate 280, State Route 92, Ralston Avenue
Train/Amtrak ServiceCaltrain at Belmont Station; nearest Amtrak connection via San Jose
Local Bus/Transit ServiceSamTrans and Caltrain commuter rail
  • U.S. Highway 101 - Main north-south highway connecting Belmont with San Francisco, San Jose and Silicon Valley.
  • Interstate 280 - Scenic freeway providing fast access to San Francisco and the South Bay.
  • State Route 92 - Connects Belmont with Half Moon Bay and the San Mateo-Hayward Bridge.
  • Ralston Avenue - Principal east-west corridor linking downtown Belmont with Interstate 280 and neighboring communities.

Key Landmarks and Places to Visit in Belmont, California

LandmarkType
Ralston Hall MansionHistoric Landmark
Water Dog Lake ParkNature Park
Twin Pines ParkCity Park
Twin Pines Arts CenterArts Center
Belmont Historical Society MuseumMuseum
Davey Glen ParkCommunity Park
Laurie Meadows ParkCity Park
Pulgas Ridge Open Space PreserveNature Preserve
Coyote Point Recreation AreaRegional Park
Hiller Aviation MuseumAviation Museum

Colleges and Universities in Belmont, California

InstitutionTypeLevelNotable For
Notre Dame de Namur UniversityPrivateUniversityLiberal arts and education
College of San MateoPublicCommunity CollegeTransfer and workforce education
Canada CollegePublicCommunity CollegeCareer and academic programs
Stanford UniversityPrivateUniversityResearch and innovation
Menlo CollegePrivateCollegeBusiness education
San Francisco State UniversityPublicUniversityLiberal arts and research

Waterbodies in Belmont, California

San Francisco Bay, Water Dog Lake, Laurel Creek, Belmont Creek, Redwood Creek, Pulgas Creek, Crystal Springs Reservoir, Steinberger Slough, Coyote Point Marina, Pacific Ocean.

Golf Courses in Belmont, California

Crystal Springs Golf Course, Poplar Creek Golf Course, Mariners Point Golf Center, San Mateo Municipal Golf Course, Green Hills Country Club, Burlingame Country Club, Palo Alto Hills Golf & Country Club, Half Moon Bay Golf Links.

Belmont, California - Key Historical Facts

  • Belmont was established in the mid-nineteenth century and developed around large country estates built by wealthy San Francisco residents.
  • The historic Ralston Hall Mansion, completed in the 1860s, remains one of the city's most significant architectural landmarks.
  • The arrival of the Southern Pacific Railroad encouraged residential growth and improved access along the San Francisco Peninsula.
  • Belmont incorporated as a city in 1926 and gradually evolved into a suburban residential community.
  • Its location between San Francisco and Silicon Valley has supported steady growth while preserving parks, open spaces and hillside neighborhoods.
  • Today, Belmont is known for its excellent schools, outdoor recreation, technology workforce and convenient access to the Peninsula's major business centers.

References

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