Today San Marcos, TX is count around 315 homes for sale at current average listing price of $498,704. Nearby neighborhoods of San Marcos are Blanco Vista, Whisper, Sunset Oaks, Blanco Vista Heritage Point, Blanco Vista Ph 1-A, Blanco Vista Tr E-3, Blanco Vista Tr I Sec A & School Tr, Blanco Vista Tr K-2b, Blanco Vista Tr L, A0467 William Ward Survey Tract 5 Acres 16.413. Most of San Marcos homes are 3 bedrooms with 3 bathrooms.