Plumber in Highland, CA: Residential and Commercial Plumbing Services
Highland sits along the base of the San Bernardino Mountains at the eastern edge of the Inland Empire — a city that’s grown substantially over the past few decades while still carrying a significant older housing stock in its established neighborhoods. From homes built in the 1950s near Pacific Street to newer developments closer to the 210 freeway, Highland’s plumbing landscape is as varied as its neighborhoods.
A O Dowd Plumbing serves Highland and the surrounding Inland Empire with the full range of residential and commercial plumbing services. Here’s what we handle most often in Highland and what to expect when you schedule with us.
Water Heater Repair and Replacement in Highland, CA
Water heater calls are among the most common service requests we receive from Highland homeowners. The combination of hard water — typical throughout the Inland Empire at 15–25 grains per gallon — and the proximity to the mountains means Highland water heaters face above-average scale stress on heating elements and tank interiors.
Signs your Highland water heater may need service or replacement:
- Popping, rumbling, or banging from the tank (mineral scale on the element or floor)
- Hot water running out faster than it used to
- Rust-colored or discolored water from the hot side
- The unit is over 10 years old and hasn’t been serviced
- Visible moisture, corrosion, or pooling water around the base
We service and install tank water heaters and tankless systems from Navien, Rinnai, and Rheem. If you’re unsure whether repair or replacement makes more sense, we’ll give you an honest comparison before recommending anything. Request a free water heater estimate to get started.
Slab Leak Detection and Repair in Highland
Highland’s older homes — particularly those with copper supply lines run beneath concrete slab foundations — are susceptible to slab leaks. The reactive clay soils common throughout the San Bernardino Valley shift seasonally, creating stress on embedded pipes over time. Combined with hard water chemistry and decades of thermal cycling, pinhole leaks in slab-embedded copper are a predictable failure pattern.
Warning signs of a slab leak in your Highland home include warm or damp spots on the floor, the sound of running water when all fixtures are off, unexplained spikes in your water bill, and wet or buckling flooring near the perimeter of a slab area. If you’re seeing any of these, request a free slab leak inspection — the sooner it’s located, the less damage it causes.
We use acoustic detection equipment and pressure testing to locate slab leaks precisely before any concrete work begins. Repair options include direct access repair, pipe rerouting through the walls and attic, and epoxy lining depending on your home’s specific situation.
Drain Cleaning and Sewer Services in Highland, CA
Root intrusion from mature trees is a recurring sewer line issue in Highland’s established neighborhoods. Older clay tile sewer lines are particularly vulnerable — once roots find a joint, they grow aggressively into the pipe. We use sewer camera inspection to assess the extent of root intrusion or pipe deterioration before recommending a repair approach.
For slow or clogged drains inside the home, our drain cleaning services cover everything from individual fixture drains to main line clearing with hydro jetting. If multiple drains in your home are slow simultaneously, that’s typically a main line issue rather than individual fixture clogs — worth a professional diagnosis.
Repiping in Highland, CA
Homes built before 1990 in Highland frequently have plumbing infrastructure — galvanized supply lines, polybutylene pipe, or early copper with hard-water corrosion — that’s approaching or past its reliable service life. If you’re dealing with recurring leaks, progressive pressure loss, or discolored water, a whole-house repiping assessment is worth scheduling before the next failure happens.
Schedule Plumbing Service in Highland, CA
A O Dowd Plumbing is your local licensed plumber for Highland and the surrounding Inland Empire. We also serve Fontana, Rialto, Colton, Ontario, Rancho Cucamonga, and surrounding cities.
Call (909) 684-1915 or request service online. Same-day and emergency appointments available.