Apartments for Rent in San Carlos, San Mateo County, CA

Prices and availability in San Carlos, San Mateo County, CA were last updated on 15 May 2026.

The best apartments in San Carlos, San Mateo County, CA are: Andalusia at Chestnut and Greenwood Apts.

The average rent in San Carlos, San Mateo County, CA is $4,252.

In San Carlos, 32% of the residents are renting compared to 68% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 5% of San Carlos's rentals, 72% are small-scale complexes with under 50 units, and 23% are single-family rentals.

The average age of rental buildings in San Carlos is 6 years old, with all being newer apartment buildings completed since 2000. The average height of apartment buildings in the city is 4 stories, of which all are garden-style apartment communities, none are mid-sized buildings, and none are high-rises. These characteristics describe large-scale apartment communities of 50 apartments or more.

Rental apartments in San Carlos come in a range of sizes and floorplans. Studio apartments represent 0% 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 50% of the total apartments in the city, while 2-bedroom floorplans represent around 44% of all rentals in San Carlos. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.