Commercial Plumbing & Underground Utility Contractor in Austin, TX
Austin Plumbing & Underground is a licensed master plumber delivering commercial plumbing and underground utility construction across Austin and Central Texas since 1994. From gas stations and car washes to retail build-outs and parking garages, we install water and sewer mains, gas lines, grease traps, storm drainage, and trenchless boring — on schedule and to code.
Austin's Commercial Plumbing & Underground Specialists
For more than three decades, Central Texas developers, general contractors, and property owners have trusted us with the infrastructure beneath their commercial projects. We've completed 20+ ground-up builds for 7-Eleven alone, alongside car washes, auto dealerships, pharmacies, and lease-space finish-outs throughout the Austin metro.
Our crews specialize in the underground work most plumbers subcontract out — utility line installation, sewer and water mains, and trenchless boring that keeps parking lots and roadways intact. Whether you're breaking ground on a new site or remodeling an existing space, we deliver code-compliant commercial plumbing from permit to final inspection. We cover the full Greater Austin metro — see our service areas, and for homes visit our residential plumbing page.
Commercial Expertise
Delivering high-precision commercial plumbing solutions across specialized commercial sectors.

FUEL INFRASTRUCTURE
GasStations
Specialized underground utility and fuel system infrastructure.

CORE UTILITIES
CommercialPlumbing
Large-scale plumbing solutions for industrial and retail complexes.

PRESSURE SYSTEMS
CarWashes
Precision plumbing and high-pressure water system installations.

STRUCTURAL UPGRADES
CommercialRemodeling
Complete structural and utility upgrades for commercial properties.

TENANT FINISH-OUT
LeaseSpaces
Tenant finish-outs and utility preparation for retail and office units.

HEAVY DRAINAGE
Multi-LevelParkingGarages
Heavy-duty drainage and fire protection systems for parking structures.
Project Scope
Commercial Plumbing
Location Range
Austin & Greater Central Texas
1994
Established
30+
Years Experience
20+
7-Eleven Builds
MP# 18683
Master License
Why Austin Businesses Choose APU
Licensed Master Plumber
All work performed under Texas Master Plumber license MP# 18683 — permitted, inspected, and code-compliant.
30+ Years Underground
Serving Austin since 1994, specializing in the deep utility work most plumbers subcontract out.
Proven at Scale
20+ 7-Eleven builds plus dealerships, car washes, pharmacies, and retail finish-outs across Central Texas.
Self-Performed Crews
In-house boring and excavation means fewer subcontractors, tighter coordination, and dependable timelines.
Commercial Plumbing Across Central Texas
We mobilize throughout the Greater Austin metro — from Liberty Hill and Bertram in the north to Kyle in the south, including Round Rock, Georgetown, Cedar Park, Pflugerville, and Buda.
Commercial Plumbing FAQs
Yes. We partner with general contractors, developers, and property owners on commercial builds throughout Central Texas, handling underground utilities and plumbing from rough-in through final inspection. We're equipped to hit construction schedules and coordinate with other trades on site.
Gas stations and convenience stores, car washes, auto dealerships, pharmacies, retail and lease spaces, restaurants with grease interceptors, and multi-level parking garages — among others. We've completed 20+ ground-up builds for 7-Eleven alone across Central Texas.
Yes. Directional boring and tunneling let us install new water, sewer, and utility lines beneath driveways, parking lots, and roadways with minimal surface disruption — protecting existing pavement and reducing restoration costs.
We operate under Texas Master Plumber license MP# 18683 and carry full insurance. Every project is permitted and inspected so your build stays code-compliant from the ground up.
The Greater Austin metro and Central Texas — from Liberty Hill and Bertram in the north down to Kyle in the south, including Round Rock, Georgetown, Cedar Park, Pflugerville, Buda, and more. See our service areas page for the full list.
Request a free estimate online or call (512) 217-8397. Tell us about your project scope and timeline and we typically respond within 24 hours with a detailed, no-obligation quote.
Building Commercial in Central Texas?
Get a detailed, no-obligation estimate from a licensed master plumber — usually within 24 hours.
