Big Bexar SepticSeptic service company in San Antonio, TX

Big Bexar Septic is ranked #35 of 62 septic service companies in San Antonio by CR Score, with 57 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Big Bexar Septic is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 6 PM; Saturday, 12 PM – 4 PM. On Saturdays it is open 12 PM to 4 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves San Antonio and 11 towns within 25 miles: Kirby, Floresville, Terrell Hills, Converse, Windcrest, Alamo Heights, Universal City, Schertz, Lackland Air Force Base, Live Oak and Cibolo. The list is based on the business's location and the usual service radius for septic and sewer service. Confirm your address is covered when you call.

Big Bexar Septic has a rating of 4.3 from 20 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Big Bexar Septic on (210) 273-5527. The business is at 14395 Kilowatt Rd, San Antonio, TX 78223. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.