Above, you will see a summary of real estate in Lake San Marcos, CA. On average, homes in Lake San Marcos, CA cost $506,500, a value that is 24% higher than the average in California. In general terms, this results in Lake San Marcos, CA real estate being less affordable than California real estate. On average, people who rent houses in Lake San Marcos, CA pay $1,871; this value is 44% higher than the average amount renters pay in California. 73.3% of Lake San Marcos, CA residents own their own homes and, on average, each of the homes has 2.2 occupants. Lake San Marcos, 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 Lake San Marcos, 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.