1.Water Rehab
7821 S Reseda St, Gilbert, AZ 85298, USA
5.0(270 reviews)
Website
Best Plumbing in Gilbert, AZ — 10 Vetted Contractors
Editorial by Andre Caçador, Founder of Hero365 · Sources: Google Places · Last updated Jul 12, 2026
Contractor Listings
2.bluefrog Plumbing and Drain of Gilbert
2200 E Williams Field Rd Suite 200-14A, Gilbert, AZ 85295, USA
5.0(145 reviews)
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3.Clover Backflow LLC
2473 S Higley Rd #104, Gilbert, AZ 85295, USA
5.0(8 reviews)
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4.Pro Plumbing Gilbert Solutions
4661 E Warner Rd, Gilbert, AZ 85296, USA
5.0(7 reviews)
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5.Gilbert Plumbing & Piping
1760 E Pecos Rd, Gilbert, AZ 85295, USA
5.0(6 reviews)
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6.Evolution Plumbing and Misting
1509 S Colt Dr, Gilbert, AZ 85296, USA
4.9(361 reviews)
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7.Roto-Rooter Plumbing & Water Cleanup
1176 E Warner Rd #115, Gilbert, AZ 85296, USA
4.9(316 reviews)
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8.Colton & Sons Plumbing Co
1505 E Warner Rd #76C, Gilbert, AZ 85296, USA
4.7(158 reviews)
9.The BC Team
4365 E Pecos Rd Ste 141, Gilbert, AZ 85295, USA
4.3(62 reviews)
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10.Duncan Pool & Spa Plumbing Inc
16104 E Fairview St, Gilbert, AZ 85295, USA
4.3(26 reviews)
Hiring a Plumbing in Gilbert: What to Know
What plumbing work costs in Gilbert right now
Most Gilbert plumbers charge a $75-$150 diagnostic or trip fee that's often credited toward the repair, then $95-$200/hour or flat-rate pricing for the job itself. A standard 40-50 gallon water heater replacement runs $1,200-$2,500 installed — tankless conversions push $3,500-$6,000 given Gilbert's mineral-heavy water requires more robust units and often a pre-filter. Slab leak repairs vary widely by method: a reroute (running new copper or PEX above the slab or through the attic) typically costs $1,800-$4,500, while jackhammering through the slab to access the leak directly can run $1,000-$3,000 for a single spot repair but climbs fast if multiple leaks are found. Whole-home repiping in an older Gilbert home (1970s-90s copper) ranges $6,000-$15,000 depending on square footage and whether the home is single or two-story. Drain cleaning is $150-$400 for a standard clog, more if roots or a collapsed line are involved. Water softener installation, which is close to a must-have here, adds $1,500-$3,500 for a quality system. These are regional ranges — always get 2-3 quotes, since pricing spreads more in Gilbert than in older housing markets because so much work here involves newer construction with different access points than retrofit-heavy cities.
How to vet a plumber before they touch your slab
Ask to see their Arizona Registrar of Contractors (ROC) license number and look it up yourself at azroc.gov — it takes 30 seconds and shows complaint history, bond status, and whether the license is actually active for the classification of work you need (residential plumbing is typically license class C-37). For any job over $1,000, Arizona law requires a licensed, bonded contractor, and unlicensed work voids your ability to file a claim against the Residential Contractors' Recovery Fund if something goes wrong. Beyond licensing, ask specifically whether they've worked slab leaks in Gilbert before — a plumber who mostly does new-construction rough-in work on Val Vista Village-style subdivisions may not have the leak-detection equipment (acoustic listening devices, thermal imaging) that older-home slab work requires. Get the warranty in writing: reputable local shops offer 1-2 years on labor and pass through manufacturer warranties on parts. Be wary of anyone who wants to start slab work same-day without running a leak detection test first — that's often a sign they're guessing at the leak location, which means more holes in your floor than necessary.
Licensing and permits: who regulates this in Arizona
Plumbing contractors in Gilbert are licensed through the Arizona Registrar of Contractors (ROC), the statewide body — Gilbert doesn't issue its own contractor licenses. Residential plumbing work generally falls under ROC license classification C-37, and any job over $1,000 legally requires a licensed contractor. On the permit side, the Town of Gilbert's Building Division requires permits for water heater replacements, sewer line replacement or repair, repiping, and any work that alters the home's plumbing system layout — simple fixture swaps (faucets, toilets) usually don't need one. Permits can typically be pulled online through the Town's citizen portal, and a licensed plumber should handle this as part of the job rather than leaving it to you. Skipping a required permit isn't just a technicality — it can create problems at resale when the county assessor or a buyer's inspector flags unpermitted plumbing changes, and it can void manufacturer warranties on water heaters if installation wasn't inspected.
Why Gilbert's water and soil cause specific problems
Gilbert's water — a mix of Salt River Project surface water, Central Arizona Project water, and groundwater — runs hard, generally in the 15-20 grains per gallon range depending on the season and source blend, per the Town's annual Water Quality Report. That hardness scales water heaters faster than in soft-water regions, clogs faucet aerators and showerheads within months, and shortens the working life of dishwashers and washing machines if there's no softener in place. On the structural side, nearly every Gilbert home is built on a concrete slab foundation with copper or PEX supply lines running underneath it — there's no crawlspace or basement to inspect pipes from. Expansive clay soil common in parts of the East Valley shifts with moisture changes, which stresses those under-slab lines over 15-25 years and is the leading cause of slab leaks in homes built in the 1990s and early 2000s. Homes from that era with original copper are now hitting the age where pinhole leaks from mineral-heavy water plus soil movement become common — if your house falls in that build window, budget mentally for this even if nothing's leaking yet.
Seasonal patterns worth planning around
Water heater failures cluster in two windows in Gilbert: late spring, when units that limped through winter finally give out under summer demand, and again after monsoon season when power surges from storms damage electric components. Slab leak calls tend to spike in late summer and early fall as extreme heat dries and shifts soil, then monsoon rain rehydrates it — that expansion-contraction cycle is hard on aging pipe joints. Sewer line backups also rise during monsoon (mid-June through September per the National Weather Service) when heavy rain saturates ground and can push tree roots or debris further into older clay or Orangeburg sewer lines still present in some 1960s-80s Gilbert lots.
Frequently Asked Questions
Do I really need a water softener in Gilbert?+
Not legally required, but functionally close to it if you want appliances and fixtures to last. Gilbert's water hardness sits around 15-20 grains per gallon depending on source blend per the Town's water quality reporting — anything over 10-11 gpg is considered 'very hard.' Without softening, expect faster scale buildup in water heaters, reduced soap/detergent effectiveness, and visible mineral deposits on fixtures within a few months. Most Gilbert plumbers will recommend one during any water heater replacement.
How do I know if I have a slab leak?+
Common signs: unexplained spike in your water bill, a warm spot on the floor (from a hot water line leak), the sound of running water when everything's off, or damp carpet/flooring with no obvious source. A licensed plumber can run a pressure test and use acoustic or thermal leak detection to pinpoint it before cutting into the slab — insist on this diagnostic step rather than letting anyone guess-and-jackhammer.
Does a plumber need a permit to replace my water heater in Gilbert?+
Yes. The Town of Gilbert Building Division requires a permit for water heater replacement, and it's typically pulled by the licensed contractor as part of the job, not by the homeowner. This ensures the gas or electrical connection and venting were inspected — important since it also affects your ability to make a warranty claim later.
What's a fair hourly rate for a plumber in Gilbert right now?+
Expect $95-$200/hour depending on the company and whether it's straight time-and-materials or flat-rate pricing, which many Gilbert plumbers use for common jobs so you know the total upfront. Diagnostic/trip fees of $75-$150 are standard and are usually credited toward the repair if you proceed. Get quotes from 2-3 companies since flat-rate pricing can vary more than you'd expect for the same job.
Are older Gilbert neighborhoods more prone to plumbing problems than new builds?+
Generally yes. Neighborhoods built in the 1970s-90s often have original copper supply lines now reaching 30-50 years old, right in the window where mineral-heavy water and clay soil movement cause pinhole and slab leaks. Newer Gilbert construction (2000s onward, especially in developments like Power Ranch or Seville) more commonly uses PEX, which is less prone to corrosion-driven leaks, though it isn't immune to installation defects or fitting failures.
What should I do if a monsoon storm causes a sewer backup?+
Shut off water use in the house immediately to avoid pushing more into a blocked line, and call a plumber who does emergency drain/sewer work — most Gilbert plumbing companies offer 24/7 monsoon-season service given how predictable this issue is June through September. If backups happen repeatedly during storms, ask about a sewer camera inspection; root intrusion or a collapsed section of older clay pipe is a common root cause in established neighborhoods.
How much should whole-home repiping cost in Gilbert?+
For a typical single-story Gilbert home (1,800-2,800 sq ft) with original copper, budget $6,000-$12,000 for a full PEX repipe; two-story homes or larger footprints run $10,000-$15,000+. Cost swings on drywall/access complexity — homes with vaulted ceilings or slab-only access (no attic run option) cost more because lines have to be routed through walls rather than overhead.
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