Maricopa County · Service area
Plumbers in Phoenix, AZ
Two things define plumbing in Phoenix: very hard water and concrete slabs. The Valley's water comes from the Salt, Verde and Colorado rivers and carries enough dissolved minerals to coat the inside of a water heater within a few years.
Serving Arcadia, Ahwatukee, Maryvale, North Phoenix, Encanto, Laveen, Desert Ridge and nearby neighborhoods.
- Emergency plumbing help
- Licensed local plumbers
- Price confirmed before work
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- Licensed local plumbing companies
- Price confirmed before work starts
Homes and plumbing in Phoenix
Most Phoenix homes were built after 1950 on slabs, with copper water lines run in or under the concrete. Homes from the late 1970s to the mid-1990s may have polybutylene supply pipe. Water heaters are usually in the garage, where summer heat and scale together shorten their life.
Scale from hard water
Mineral scale settles in tank water heaters, clogs faucet aerators and coats tankless heat exchangers. Flushing the tank yearly and descaling tankless units keeps them working.
Slab leaks
Copper under the slab wears where it touches concrete and where hot water runs constantly. Rerouting the line through the attic is the common fix in the Valley.
Heat on exposed plumbing
Attic temperatures can pass 150°F in summer, which is hard on plastic pipe and fittings. Outdoor hose bibs and irrigation backflow assemblies also crack in the occasional winter freeze.
Common plumbing calls in Phoenix
Slab Leak Repair
A warm spot on the floor or a climbing water bill can mean a leak under the slab.
Learn moreWater Heater Replacement
Replacing a leaking or aging water heater? See how plumbers size, install and permit a new tank, and call to reach a local installer..
Learn moreTankless Water Heaters
Tankless water heaters heat water on demand and need correct gas, venting and descaling.
Learn moreRepiping
Galvanized, polybutylene or failing copper pipes? See when a whole-house repipe makes sense, what it involves and how to reach a local repiping plumber..
Learn moreLeak Detection
A high water bill, a damp wall or the sound of running water can mean a hidden leak.
Learn more
Also available in Phoenix: emergency plumbing and all plumbing services.
Phoenix at a glance
- Area
- Phoenix, Maricopa County, Arizona
- Neighborhoods
- Arcadia, Ahwatukee, Maryvale, North Phoenix, Encanto, Laveen, Desert Ridge
- Local issues
- Scale from hard water; Slab leaks; Heat on exposed plumbing
- Plumber licensing
- Plumbing contractors are licensed by the Arizona Registrar of Contractors.
- Office
- Service-area page. Work is done by independent local plumbing companies.
Phoenix plumbing questions
Do I need a water softener in Phoenix?
It is not required, but Phoenix water is hard enough that a softener noticeably extends the life of water heaters, fixtures and appliances. If you skip one, flush the water heater yearly.
How do I check a plumbing contractor's license in Arizona?
Search the Arizona Registrar of Contractors website by company name or license number. It shows the license class, bond status and any complaints.
Guides for Phoenix homeowners
How to shut off your water in an emergency
Close the main shutoff valve, which is usually where the water line enters the house: in the basement or crawl space on the street-facing wall, in the garage, or near the water heater.
Read the guideHow long does a water heater last?
A standard tank water heater lasts about 8 to 12 years.
Read the guideTankless vs. tank water heater: which is right for your home?
A tank water heater costs less to install and suits most homes without changes to gas or electrical service.
Read the guide
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Need a plumber in Phoenix?
Call and tell us what's going on. Calling is free, and the plumber confirms the price before any work starts.