Home › Top 4 Plumber in San Marcos, Texas Find best Plumber in San Marcos, Texas, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Roto-Rooter Plumbing & Water Cleanup - San Marcos (TX 78666) US, San Marcos, TX 786662004 Medical Pkwy #2004B Mr. Rooter Plumbing of San Marcos US, San Marcos, TX 786661409 N Bishop St Ste C-6 San Marcos Plumbing US, San Marcos, TX 78666100 N Edward Gary St b102 Texas State Plumbing Co US, San Marcos, TX 786661517 Aquarena Springs Dr