San Marcos Homes for Sale San Marcos Duplex and Triplex Homes for Sale 2Duplex and Triplex Homes for sale in San Marcos $535,000 3422 Hollencrest San Marcos 2 beds, 1 baths, 827 sqft Courtesy of: Brighton Realty $1,450,000 776 782 N Alda Drive San Marcos beds, 0 baths, 0 sqft Courtesy of: Apartment Realty Group (ARG) View More