San Antonio’s Plumbing Experts Since 1999
Led by Responsible Master Plumber William Shilling, with 35+ years of licensed plumbing experience.
Licensed, straightforward plumbing service for homes and businesses across San Antonio and the Hill Country — including emergency repairs, water heaters, tankless water heaters, drain cleaning, leak detection, sewer lines, and gas lines.
Full-Service Plumbing, Done Right
From a dripping faucet to a full sewer line replacement — our licensed team handles it all.
Emergency Plumbing
Burst pipes, major leaks, and backups — responsive service when it matters most.
Learn more →Water Heaters & Tankless
Repair, replacement, and tankless installs for reliable hot water year-round.
Learn more →Drain Cleaning & Hydro Jetting
Clear stubborn clogs and restore flow with professional drain and sewer cleaning.
Learn more →Leak Detection & Sewer Lines
Leak detection, tunneling, and sewer repair that protects your home and foundation.
Learn more →Gas Line Services
New gas line installation, repair, and leak testing for homes and businesses.
Learn more →Commercial Plumbing
Dependable commercial plumbing for San Antonio businesses and property managers.
Learn more →Licensed Plumbing Experience You Can Count On
Led by Responsible Master Plumber William Shilling, Will’s Plumbing & Testing Service brings decades of plumbing experience to residential and commercial service calls throughout San Antonio.
- Responsible Master Plumber oversightLicensed, insured plumbing service led by Texas RMP #18587.
- Straightforward, upfront pricingYou approve the work before we start — no surprises.
- Local & family-owned since 1999Not a national franchise — real neighbors serving neighbors.
- Financing availableFlexible options through GreenSky for larger projects.
Treating San Antonio Like Family
Quality workmanship and dependable service, every visit.
Water Heater Brands We Install and Service
Will’s Plumbing repairs, replaces, installs, and maintains tank and tankless water heaters commonly used throughout San Antonio homes and businesses. From no-hot-water calls and leaking tanks to tankless maintenance, flushing, descaling, and replacement, our team helps customers choose the right solution for their home or business.
Will’s Plumbing & Testing Service brings deep water heater, tankless, and commercial hot-water experience to San Antonio homeowners and businesses. Our team holds Rinnai ACE certification, Rinnai Level 1, Level 2, and Level 3 training, training on Rinnai Commercial Demand Duo and commercial tankless systems, and Navien certification, along with more than 15 years of Rinnai tankless water heater experience. We are also an A.O. Smith National Service Provider for commercial equipment, a Rinnai National Service Provider for commercial equipment, and an A.O. Smith Warranty Service Provider for residential and commercial water heaters.
Tank-Type Water Heaters
Rheem · Ruud · Bradford White · A.O. Smith · State · Lochinvar
Tankless Water Heaters
Rinnai · Navien · Noritz · Rheem · Ruud · A.O. Smith · Takagi
Explore our water heater services:Water Heater Services · Water Heater Repair · Water Heater Replacement & Installation · Tankless Water Heaters
Manufacturer names, training, certifications, and service-provider designations are used to describe Will’s Plumbing & Testing Service’s documented experience and qualifications. Use of a manufacturer name does not imply exclusive dealer status, manufacturer ownership, or endorsement beyond the stated certification, training, warranty, or service-provider designation.
Serving San Antonio & the Surrounding Areas
We proudly serve San Antonio and the surrounding Hill Country. Select your area for local plumbing service, or call us to confirm coverage.
We also serve Stone Oak, Encino Park, Bulverde, Leon Springs, The Dominion, Fair Oaks Ranch, and Alamo Ranch — plus Schertz, Cibolo, Converse, Live Oak, New Braunfels, and Universal City.
What Our Customers Say
San Antonio homeowners and businesses have trusted Will’s Plumbing for thousands of service calls, repairs, replacements, and emergency plumbing problems since 1999. Read verified reviews from customers across San Antonio and the surrounding Hill Country on our Reviews & Recent Projects page.
Need It Now, Pay Over Time
Flexible financing through GreenSky makes major plumbing repairs and upgrades affordable. Ask us about your options.
Meet the Team Behind Will’s Plumbing
A Texas family-owned business since 1999, led by a licensed Master Plumber with 35 years of plumbing experience.
Need Plumbing Help? Call Will’s Plumbing Today.
Call Will’s Plumbing & Testing Service for licensed plumbing service across San Antonio.