Today San Marcos, TX is count around 317 single-family homes for sale at current average listing price of $492,651. Nearby neighborhoods of San Marcos are Blanco Vista, Whisper, Blanco Vista Tr A, Blanco Vista Heritage Point, Blanco Vista Ph 1-A, Blanco Vista Tr L, Sunset Oaks, Blanco Vista Tr D, Blanco Vista Tr Q Sec 3, Blanco River Village Condo. Most of San Marcos single-family homes are 3 bedrooms with 3 bathrooms.