Above, you will see a summary of real estate in San Mateo, CA. On average, homes in San Mateo, CA cost $850,200, a value that is 108% higher than the average in California. In general terms, this results in San Mateo, CA real estate being less affordable than California real estate. On average, people who rent houses in San Mateo, CA pay $1,871; this value is 44% higher than the average amount renters pay in California. 53.9% of San Mateo, CA residents own their own homes and, on average, each of the homes has 2.7 occupants. San Mateo, CA real estate features a range of homes, which include everthing from large houses to small condos to stacked townhomes. Accessing real estate listings and homes that are up for sale in San Mateo, CA is easy because in our search area shown above, we categorize real estate and homes based on location, price, and the number of bedrooms and bathrooms.