Apartments for Rent in Belmont, San Mateo County, CA

Prices and availability in Belmont, San Mateo County, CA were last updated on 24 Jun 2026.

The best apartments in Belmont, San Mateo County, CA are: Sofi Belmont Hills, Three21@Belmont, The Hayden, The Riley at Belmont Hills and Ralston at 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 $2,600 and $6,584.

The price range for a 1-bedroom apartment in Belmont, San Mateo County, CA is between $2,195 and $5,893.

The price range for a 2-bedroom apartment in Belmont, San Mateo County, CA is between $2,895 and $6,584.

The price range for a 3-bedroom apartment in Belmont, San Mateo County, CA is between $4,449 and $5,893.

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.

Rental apartments in Belmont come in a range of sizes and floorplans. Studio apartments represent 19% of units for rent, ideal for singles, renters on a budget and people who value central locations more than space. Rentals with 1-bedroom floorplans make up 48% of the total apartments in the city, while 2-bedroom floorplans represent around 30% of all rentals in Belmont. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.