Permits, installations, site evaluations, land clearing, and more — serving Webb County and surrounding South Texas communities.
From permits and site evaluations to land clearing, excavation, and water harvesting — we bring the equipment and the expertise to get your project done right.
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We handle the full OSSF permit process with Webb County and surrounding jurisdictions. Know your project is compliant before breaking ground.
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Soil testing and site assessment to determine the right system for your property. Required before any installation — we make it simple.
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Full septic system installations for residential and commercial properties. Built to Texas state code and designed for South Texas soil conditions.
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Brush removal, tree clearing, and full site preparation for new home builds, agricultural use, fencing, roads, or any raw land project. We leave your property clean and ready for whatever comes next.
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Utility trenching for water lines, electrical conduit, gas, irrigation, drainage, and more. Whatever needs to go underground, we dig it cleanly and accurately — any depth, any application.
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Skid steer grading and leveling for new home pads, driveways, construction sites, yards, and any surface prep project. We create the flat, solid foundation your build demands.
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We design and install underground rainwater collection systems that capture runoff from your roof gutters and store it in a buried conservation tank — giving you a reliable, off-grid water supply for South Texas living.
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Pre-purchase and routine inspections for homeowners, real estate buyers, and property managers throughout Webb County.
South Texas Septics LLC was built on the ground — literally. We know Webb County soil, Texas state regulations, and what your property needs.
We carry every license required by Texas state law to design, permit, and install on-site sewage facilities in Webb County.
We live and work here. We understand the clay soils, the heat, the county permit offices, and the specific challenges of building in South Texas.
We know the local permit process inside and out. No delays from paperwork — we handle the filing so your project stays on schedule.
When you call, you reach someone who knows your project. No call centers, no runaround — just straight answers from the people doing the work.
From raw land to permitted, installed, and inspected — we walk with every customer through the full process so nothing falls through the cracks.
We serve Webb County and the surrounding South Texas region. Not sure if we cover your area? Call us — we'll let you know.
Straight answers to the questions we hear most — from what affects your cost to protecting your system in heavy rain. Written by a licensed OSSF contractor.
The first and most important step of any septic project — what it involves and how it protects you.
Read More →Why every system is priced differently — soil, structure size and use, slope, stub-out, and distance.
Read More →How your soil type determines which drainfield you get — and why ET beds on clay cost more.
Read More →Engineer certification, added permit fees, and tank anchoring for buoyancy control in flood zones.
Read More →What to do when the rain keeps coming — warning signs, what to avoid, and how to protect your drainfield.
Read More →Soil classes in plain English — and what each one means for the drainfield your property needs.
Read More →A full walkthrough — from development determination and E911 address to site evaluation, review, and installation.
Read More →The habits that extend your system's life — and the warning signs that tell you it's time to pump the tank.
Read More →Using less water doesn't just help the environment — it directly protects your system and extends its life.
Read More →A look at the Infiltrator CM-series tanks and Quick5 Equalizer leaching chambers we install across South Texas.
Read More →Tell us about your project and we'll get back to you promptly. For faster response, call us directly.