Today san marcos unified, San Marcos CA is count around 107 homes for sale at current average listing price of $1,079,192. Nearby neighborhoods of san marcos unified are 92078 - San Marcos, 92069 - San Marcos, Lake San Marcos, Mission Park, Rancho Santalina, San Marcos, The Hill Districe in North city, 92081 - Vista, Arbor Ranch, Country club. Most of san marcos unified homes are 3 bedrooms with 3 bathrooms.