Apartments for Rent in Belmont, San Mateo County, CA

Prices and availability in Belmont, San Mateo County, CA were last updated on 21 Sep 2026.

The best apartments in Belmont, San Mateo County, CA are: Sofi Belmont Hills, The Hayden, Ralston at Belmont, Belmont Glen Residences and 2120 Valerga Drive Belmont.

The average rent in Belmont, San Mateo County, CA is $2,899.

The price range for a studio apartment in Belmont, San Mateo County, CA is between $3,138 and $4,160.

The price range for a 1-bedroom apartment in Belmont, San Mateo County, CA is between $2,675 and $4,471.

The price range for a 2-bedroom apartment in Belmont, San Mateo County, CA is between $2,895 and $5,221.

The price range for a 3-bedroom apartment in Belmont, San Mateo County, CA is between $3,095 and $4,160.

In Belmont, 45% of the residents are renting compared to 55% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 12% of Belmont's rentals, 70% are small-scale complexes with under 50 units, and 18% are single-family rentals.

The average age of rental buildings in Belmont is 41 years old, with 28% being newer apartment buildings completed since 2000. The average height of apartment buildings in the city is 3 stories, of which 90% are garden-style apartment communities, 10% are mid-sized buildings, and none are high-rises. These characteristics describe large-scale apartment communities of 50 apartments or more.

Studio apartments in Belmont are around 19% of rentals, while 1-bedroom floor plans represent 48% of the total stock. For those in search of larger rentals, 2-bedroom floorplans make up 30% of all rentals. More generous apartments with 3 bedrooms or more are also available in this city for those in search of more space.