Take a Look!

Our TCEQ certified service experts are thoroughly trained and able to provide the knowledge and expertise required by only the best septic service. Third Coast Septic LLC operates under strict standards and responsible disposal practices, environmental safety and state/county guidelines. We take pride in delivering fast, reliable and honest service at an affordable price.

Fully certified by the Texas Commission on Environmental Quality

Tired of messy chlorine tablets?

No problem! 

Third Coast Septic LLC offers NSF/ANSA Standard 46 liquid chlorination kits for an economical, highly effective and convenient alternative!

Our services

Why choose Third Coast Septic LLC?

Third Coast Septic is a premiere service provider of onsite wastewater systems, specializing in aerobic treatment units.

Family owned and operated, we perform all levels of residential and commercial septic service, repair and installation. We offer start-to-finish solutions for every project, specializing in state of the art aerobic systems, having one of the smallest environmental footprints.

Full design services now available!


Third Coast Septic LLC guarantees high-quality construction for each and every project. Check out samples of our recent work and you'll agree that we're the best choice for your on-site sewage facility.