Today san marcos unified, San Marcos CA is count around 121 homes for sale at current average listing price of $1,138,035. Nearby neighborhoods of san marcos unified are 92069 - San Marcos, 92078 - San Marcos, 92081 - Vista, Lake San Marcos, San Marcos, Santa Fe Hills, 92083 - Vista, Mission Park, Rancho Santalina, Rancho Tesoro. Most of san marcos unified homes are 3 bedrooms with 3 bathrooms.