Today san marcos, San Marcos CA is count around 26 homes for sale at current average listing price of $1,066,657. Nearby neighborhoods of san marcos are 92078 - San Marcos, La Costa, Lake San Marcos, 92009 - Carlsbad, Jockey Club, La Costa Meadowridge, Rancho Dorado, Rancho Vista Estates, San Elijo Hills, Silverado. Most of san marcos homes are 3 bedrooms with 3 bathrooms.