Family-owned San Antonio plumbing and HVAC since 2015

  • Live answering 24/7

  • Same-day service

  • Licensed and insured

Plumber installing a whole-home water filtration system

Plumber in San Antonio, TX

Plumbing Problem? We Will Be There in Roadrunner Time.

Leaks, clogs, no hot water or a slab leak. Our licensed plumbers serve San Antonio homes with same-day service, live answering 24/7 and upfront pricing.

Same-day and 24/7 emergency plumbing
Texas master plumber license ML #41397
Upfront pricing and a 100% satisfaction guarantee

$79

Water Heater Flush + Plumbing Inspection, Through Dec 31, 2026

Google
5 stars

4.9 Google Rating

Schedule a Plumber

A real person will call you back to confirm your appointment.

    Mention this offer when booking.

    100%

    Satisfaction Guarantee

    Military

    Discount Available

    24/7

    Live Answering

    Coupons

    Seasonal Specials

    Plumbing Services

    Plumbing Services in San Antonio

    Residential plumbing repairs, installations and emergency service from a licensed master plumber.

    Kitchen sink and faucet installed by a residential plumber in San Antonio

    Residential Plumber

    From dripping faucets and running toilets to garbage disposals and fixture installs, our licensed plumbers handle everyday plumbing repairs for San Antonio homes.

    • Faucets
    • Toilets
    • Disposals
    Emergency plumbing repair on a broken pipe in San Antonio

    Emergency Plumbing

    Burst pipe, sewer backup or no water? A live person answers 24/7 and we dispatch a licensed plumber to stop the damage fast.

    • Live answering 24/7
    • Burst pipes
    • Backups
    New gas line installation in a San Antonio home

    Gas Line Installation

    Licensed gas line installation and repair for ranges, dryers, water heaters, outdoor kitchens and generators, with pressure testing on every job.

    • New lines
    • Repairs
    • Pressure testing
    Underground water leak found during leak detection in San Antonio

    Leak Detection

    High water bill or the sound of running water? We use acoustic, thermal and pressure testing to find hidden leaks without tearing up your home.

    • Hidden leaks
    • Underground lines
    Water damage on a slab foundation from a slab leak

    Slab Leak Repair

    Warm spots on the floor, cracks or a meter that never stops can point to a slab leak. We locate it, then repair or reroute the line to protect your foundation.

    • Detection
    • Repair
    • Reroutes
    Trench dug for a whole-home repipe

    Repiping

    Failing galvanized, polybutylene or corroded copper pipe? We repipe homes with modern PEX or copper to restore water pressure and end repeat leaks.

    • Whole-home repipes
    • PEX
    • Copper
    Plumber installing a whole-home water filtration system

    Water Filtration

    Hard water and chlorine taste are common in San Antonio. We install whole-home water filtration and Halo water softener systems for cleaner, softer water.

    • Whole-home filtration
    • Water softeners
    Water Heaters and Drains

    Water Heater and Drain Services

    Hot water back on and drains flowing again, with the camera footage to show you what we found.

    New tank water heater installed in San Antonio

    Water Heater Repair and Replacement

    No hot water, leaks or rusty water? We repair tank water heaters, and when replacement makes sense we install a new unit with the code upgrades your home requires.

    • Water heater repair
    • Water heater installation
    • Water heater replacement
    Plumber installing a tankless water heater in San Antonio

    Tankless Water Heaters

    Endless hot water and more space in the garage. We install, repair, flush and maintain tankless water heaters from leading brands like Navien.

    • Installation
    • Repair
    • Descaling
    Floor drain cleared by drain cleaning in San Antonio

    Drain Cleaning and Sewer Service

    We clear slow and clogged drains with drain snaking or hydro jetting, then run a sewer camera inspection so you can see what is happening inside the line.

    • Drain snaking
    • Hydro jetting
    • Sewer camera inspection
    Owners of Roadrunner Plumbing & Air, a family-owned San Antonio company
    Family-Owned Since 2015

    A licensed master plumber who explains before fixing

    Roadrunner Plumbing & Air is a small, family-owned company that has served San Antonio since 2015, built on more than 24 years of hands-on plumbing experience. Our licensed technicians take the time to explain what they found, lay out practical options and give you the price before any work begins.

    Every job is backed by our 100% satisfaction guarantee, and our phones are answered live 24 hours a day. Military discounts are available.

    Current Special

    $79 water heater flush and plumbing inspection

    Flushing sediment from your tank helps your water heater run efficiently and last longer, and our licensed plumber inspects your plumbing during the same visit. Valid through Dec 31, 2026. Mention this offer when booking. You can also save $50 on any drain cleaning service or $200 on a water heater installation that includes the required code upgrades.

    $79

    Water Heater Flush + Plumbing Inspection, Through Dec 31, 2026

    Customer Reviews

    What San Antonio homeowners say

    Real reviews from Google. Many of our customers have trusted Roadrunner for more than a decade.

    We’ve used Roadrunner Plumbing for the past 11 years. They have always been very quick to respond to service requests. Their technicians are very knowledgeable, friendly and courteous.

    Joseph Sparling San Antonio, TX, May 2025
    Water Heater Installation

    Roadrunner always does a great job. Responded to the service call quickly and took care of the issue. Great job, Chris!

    Eloy Perales San Antonio, TX, Feb 2026
    Fixture Repair

    Roadrunner has always done us right in the 11 years we’ve used them for plumbing or HVAC. They are very friendly, honest, and reasonable!

    Billie Pettis San Antonio, TX, Apr 2026
    Tankless Water Heater Repair
    Why Roadrunner

    The plumber San Antonio families have trusted for years

    Roadrunner Plumbing & Air is a small, family-owned business serving San Antonio since 2015, backed by more than 24 years of plumbing experience.

    Family-Owned and Local

    You deal with a local family business on College Park, not a national call center.

    Licensed and Insured

    Texas master plumber license ML #41397 and air conditioning license TACLA #00135633E.

    Upfront Pricing

    We explain the problem and your options, and you approve the price before work begins.

    24/7 Live Answering

    Nights, weekends and holidays, a real person answers the phone and schedules your visit.

    Brands We Service

    Expert service on all major plumbing brands

    We install and repair fixtures, water heaters and water treatment systems from the brands San Antonio homeowners trust.

    Where We Serve

    Service Areas

    From our office on College Park in northwest San Antonio, our technicians serve homes across the city and the surrounding Hill Country communities.

    • Alamo Heights
    • Boerne
    • Bracken
    • Bulverde
    • Castle Hills
    • Cibolo
    • Converse
    • Fair Oaks Ranch
    • Garden Ridge
    • Helotes
    • Hill Country Village
    • Hollywood Park
    • Leon Springs
    • New Braunfels
    • San Antonio
    • Schertz
    • Shavano Park
    • Spring Branch
    • Stone Oak
    • Timberwood Park
    • Universal City
    Financing Available

    Flexible Plumbing Financing

    Unexpected repairs do not have to wreck your budget. Roadrunner offers financing for repiping, water heaters and major repairs through Wells Fargo, GreenSky and Synchrony, subject to credit approval.

    Apply for Financing
    Buy now, pay over time financing for plumbing and HVAC
    Financing Available
    FAQs

    Plumbing questions, answered

    Do you offer same-day and emergency plumbing service?

    Yes. A real person answers 24 hours a day, and we offer same-day appointments and emergency plumbing for burst pipes, major leaks and sewer backups across San Antonio.

    How much will my plumbing repair cost?

    Every job is different, so we diagnose the problem first. You get a clear, upfront price and approve it before any work begins.

    How do I know if I have a slab leak?

    Common signs are warm spots on the floor, cracks in flooring or walls, the sound of running water and a water meter that keeps moving when everything is off. Call us for leak detection.

    Should I choose a tank or tankless water heater?

    It depends on your hot water use, space and budget. We will explain the cost and benefits of each and install the option that fits your home.

    Are your plumbers licensed and insured?

    Yes. Roadrunner Plumbing & Air is licensed and insured and holds Texas master plumber license ML #41397.

    What areas do you serve?

    We serve San Antonio, Alamo Heights, Boerne, Bracken, Bulverde, Castle Hills, Cibolo, Converse, Fair Oaks Ranch, Garden Ridge, Helotes, Hill Country Village, Hollywood Park, Leon Springs, New Braunfels, Schertz, Shavano Park, Spring Branch, Stone Oak, Timberwood Park and Universal City.