We take emergency plumbing calls 24/7
Plumber in San Tan Valley, AZ for Leaks, Drains, Sewer Lines and Water Heaters
Leaks, slab leaks, clogged drains, sewer backups and broken water heaters, fixed by a local plumbing company in 85140. You get a written price before any work starts.

Office: 3567 E Stagecoach Pass Ave, San Tan Valley, AZ 85140
Mon to Sat, 9 AM to 6 PM
Your local plumbing company
Local Plumbers for San Tan Valley Homes and Businesses
San Tan Valley Plumbing Experts is a local plumbing company at 3567 E Stagecoach Pass Ave. We find and fix leaks, slab leaks, clogged drains, sewer backups and broken water heaters in all three San Tan Valley ZIP codes, 85140, 85143 and 85144, and in the towns around them. You get a written price before we start, and nobody pushes you into a bigger job than the one you need.
Arrival window on the phoneWe tell you when to expect us and any trip charge before we drive out.
Proof you can keepCamera footage, leak readings and photos on sewer and slab work.
Repair before replaceIf a cheaper fix is the right fix, that’s the one we quote.
Emergency plumbing in San Tan Valley
Water Where It Shouldn’t Be? Do These Four Things First
Stop the water, keep everyone safe, then call us. These steps take a few minutes and can save your floors, drywall and cabinets.
1
Shut off the main water. In many Arizona tract homes the house shutoff is near the front of the house or in the garage, where the water line comes up from the ground, often near the softener loop if you have one. If you can’t find it, the curb valve sits in the meter box near the street. You may need a meter key to turn it.
2
Shut off the water heater if the leak is at the tank. Close the cold-water valve on top. Turn the gas valve to “pilot” or “off,” or switch off the breaker for an electric heater.
3
Smell gas? Leave first. Get everyone outside, don’t flip switches, and call 911 and Southwest Gas at 877-860-6020. Call us for the repair once the utility says the house is safe.
4
Sewage coming up a drain? Stop running water anywhere in the house, keep kids and pets away from the water, and take photos for your insurance company before anything is cleaned up.

24/7 emergency line(480) 919-7090
Call now or wait
Call Now, or Can It Wait Until Morning?
A good rule: if water is going somewhere it can do damage, call now. If it’s annoying but contained, it can usually wait for a daytime visit. Our emergency plumber page for San Tan Valley covers each situation in more detail.
Call Now
Damage is happening right now
- Burst pipe or a supply line sprayingHundreds of gallons can soak a slab home fast
- Water heater leaking from the tankTank leaks don’t seal themselves and get worse
- Sewage backing up into a tub or showerContaminated water; flooring it touches usually has to come out
- Gas smell near the water heater or rangeFire and health risk. 911 and Southwest Gas first
Call the Same Day
Hidden damage is building
- Warm spot on the tile or water you can hear runningPossible slab leak under the concrete
- Water dripping from the pipe outside the garageRelief valve or expansion tank problem on the water heater
Can Wait for a Daytime Visit
Annoying but contained
- One slow drain or a dripping faucetWastes water but causes no damage today
- Running toilet that stops when you jiggle the handleRaises your EPCOR bill, nothing more
Residential and commercial plumbing
Plumbing Services in San Tan Valley, AZ
We handle plumbing repairs, replacements and installs for homes and small businesses, from a running toilet to a full repipe. Most plumbing problems in San Tan Valley come down to the same few things: water heaters worn out by hard water, leaks under the slab, clogged drains and sewer lines, and fixtures crusted with scale.
Quick answer: If it carries water, gas or waste in or around your home, we work on it. That includes water heaters, slab leaks, drains, sewer lines, water lines, fixtures, softeners, gas lines and commercial plumbing.

Leak Detection and Pipe Repair
Most leaks we find here are on the hot side, under the slab or inside a wall. We locate them before anything is opened up.

Drain Cleaning and Unclogging
A single slow sink is usually a local clog. Several slow drains at once, or gurgling when the washer drains, points to the main line.

Sewer Line Repair and Inspection
We run a camera before we recommend anything big, and you keep the footage. If a lining or a spot repair will do, we say so.

Water Heater Repair and Installation
Garage heat and 15 to 18 grains of hardness are hard on tanks. Plenty of homes here still have the heater the builder put in.

Faucets, Toilets and Fixtures
Hard water wears out cartridges, fill valves and aerators faster than people expect. Many of these fixes take under an hour.

Water Pressure, Softeners and Filtration
High street pressure and hard water cause a lot of the leaks and noises we’re called for. We test before we sell anything.

Water Lines, Gas Lines and Wells
The line from your meter to the house, the gas line to your heater, and the well setup on an acreage lot.

Remodels and Plumbing Inspections
Moving a sink, adding a shower or buying a resale home. We plan the plumbing and tell you what we find.

Commercial Plumbing
For shops, offices and restaurants along Hunt Highway and the growing retail centers, we work around your hours.
Not sure what you’re dealing with?Call and describe what you see and hear. We’ll tell you how urgent it is and what the visit costs before we drive out.
Local conditions
Why Do San Tan Valley Homes Have the Plumbing Problems They Do?
Four things wear out plumbing here faster than in most of the country: very hard groundwater, long stretches of 110°F heat, short violent monsoon storms, and slab foundations sitting on desert soil. Add a housing stock that went up mostly between 2004 and 2010, and you get a lot of parts failing around the same time.

Very Hard Water From EPCOR’s Wells
EPCOR’s San Tan system serves about 31,000 connections, and its only source is groundwater from the Phoenix Active Management Area. Its 2025 water quality report puts hardness at 15 to 18 grains per gallon. Anything over 10.5 is rated “very hard.”
What that hardness does in your house
- Scale settles in the bottom of tank water heaters and shortens their life
- Tankless heat exchangers clog unless they’re descaled on schedule
- Toilet fill valves and faucet cartridges stiffen and start to drip or hiss
- White crust builds on showerheads, aerators and glass doors
The same report lists sodium at 100 to 150 ppm and nitrate up to 9.88 ppm, just under the federal limit of 10. That’s why a lot of families here ask us about reverse osmosis at the kitchen sink.
Desert Heat in Garages and Attics
The average July high in San Tan Valley is about 104.5°F (1991 to 2020 PRISM normals). Phoenix logged a record 70 days at or above 110°F in 2024, and 113 days in a row at 100°F or more, from May 27 to September 16 (National Weather Service).
Where the heat shows up
- Water heaters in garages that run well over 100°F in summer
- Rubber washer hoses and ice-maker lines that dry out and split
- Pressure regulators and valves left in full sun that fail early
- Relief valves that drip as water expands in a hot tank
Monsoon Storms, June 15 to September 30
We only get about 8.7 inches of rain a year, but monsoon cells drop it fast. In August 2023, more than an inch fell in one hour over San Tan Valley with 60 mph winds. On September 17, 2026, storms dropped over 2 inches and left a local farm flooded because nearby construction had blocked the culverts.
Plumbing problems that follow a storm
- Drains that gurgle or back up while it’s pouring
- Storm water getting into sewer cleanouts with missing caps
- Clogged yard drains and roof scuppers flooding patios
- AC condensate lines overflowing in the attic
Slab Foundations on Moving Desert Soil
Nearly every home in San Tan Valley sits on a concrete slab, with water lines running under or through it. Clay and caliche shift as they wet and dry. The Arizona Geological Survey also lists San Tan Valley among the East Valley areas prone to earth fissures from groundwater pumping.
What that means for your pipes
- Hot-water lines under the slab move with every heat cycle
- Leaks stay hidden under tile until the bill jumps or a spot feels warm
- Sewer laterals can settle and hold water in low spots, called bellies
Your Home Was Probably Built Between 2004 and 2010. Here Is What Fails First
The median San Tan Valley home was built in 2007, and about 96% of homes are detached single-family houses (U.S. Census, American Community Survey). Most of the original plumbing parts in those homes are now 15 to 20 years old.

| Part | Typical sign it’s done | Our honest take |
|---|---|---|
| Tank water heater | Rumbling, rusty hot water, a wet pan, or a leak at the tank | Most tanks last roughly 8 to 12 years. Hard water pushes them toward the short end. A leaking tank gets replaced, not patched. |
| Pressure regulator (PRV) | Banging pipes, running toilets, a dripping relief valve | Plumbing codes call for a regulator when street pressure is over 80 psi. We test with a gauge before replacing anything. |
| Water softener | Spots and crust come back, salt level never drops | Often a stuck valve or worn resin. A rebuild can cost far less than a new system. |
| Toilet fill valves and flappers | Hissing, phantom refills, a “screaming” sound | A cheap part that hard water wears out. Fixing it can take a few dollars off every water bill. |
| Washer and ice-maker hoses | Bulges, cracks or damp spots at the fittings | Swap rubber hoses for braided ones before they burst while you’re at work. |
| Copper lines under the slab | Warm floor, sound of running water, meter moving with taps off | One leak can be a spot repair. A second or third usually means a reroute is the better money. |
Plumbing prices in 2026
What Does a Plumber Cost in San Tan Valley in 2026?
Quick answer: Small repairs in the Phoenix area usually run $120 to $300, drain cleaning about $104 to $290, and a tank water heater replacement $1,500 to $2,000. Slab leaks, sewer lines and repipes cost more. Your written quote from us is the only number that counts, and you see it before we start.
These are published 2026 ranges for the Phoenix area and the East Valley, not our price list. We show them so you know what a fair quote looks like before anyone walks through your door. For more detail by job, see our San Tan Valley plumbing cost guide.

| Job | Typical 2026 range | Source |
|---|---|---|
| Service call or trip fee | $100 to $250 (often covers the first hour) | Angi, Phoenix, July 2026 |
| Small repairs: dripping faucet, running toilet, small leak | $120 to $300 | Angi, Phoenix, July 2026 |
| Drain cleaning, average | $191 (most pay $104 to $290) | Angi, Phoenix, Feb 2026 |
| Kitchen sink drain | $125 to $250 | Angi, Phoenix, Feb 2026 |
| Toilet clog | $125 to $300 | Angi, Phoenix, Feb 2026 |
| Bathtub or shower drain | $175 to $400 | Angi, Phoenix, Feb 2026 |
| Main sewer line cleaning | $250 to $900 | Angi, Phoenix, Feb 2026 |
| Toilet replacement, standard two-piece | $278 to $462 (average $370) | Angi, Phoenix, July 2026 |
| Burst pipe repair | $1,000 to $4,000 | Angi, Phoenix, July 2026 |
| Sewer line repair / replacement | $200 to $2,000 / over $4,000 | Angi, Phoenix, July 2026 |
| Tank water heater replacement | $1,500 to $2,000 | Angi, Phoenix |
| Tankless water heater replacement | $3,000 to $4,200 | Angi, Phoenix |
| Water heater flush | $75 to $150 | Angi, Phoenix |
| Slab leak: spot repair / reroute / full repipe | $500 to $2,000 / $1,500 to $5,000 / $8,000 to $15,000+ | East Valley plumber estimates, 2026 |
| Water softener or filtration install | $579 to $2,770 typical | HomeAdvisor, San Tan Valley |
Emergency and after-hours work commonly runs 1.5 to 2 times standard rates in the Phoenix area (Angi). Ranges are for planning only.
What Moves the Price Up or Down
- Access. A leak under tile or a heater in an attic takes longer than one in an open garage.
- Parts. A 50-gallon gas tank is common and easy to get. A lowboy, a 75-gallon or a specific tankless model costs more.
- Code updates. An older install may need an expansion tank, a new vent, a drain pan or a permit to meet code.
- Timing. Nights, weekends and holidays cost more almost everywhere.
- What’s behind the first problem. A clog caused by roots or a belly in the line needs more than a snake.
How We Price Your Job
Signs and symptoms
What Is Your Plumbing Trying to Tell You?
Most plumbing problems give a warning before they turn into a flood. Here are common warning signs in San Tan Valley homes, what usually causes them, and how fast to act.
Same day
A warm spot on the tile floor
Hot-water line leaking under the slab
This week
EPCOR bill jumps with no change in use
Running toilet, slab leak, irrigation or service-line leak
Can wait
Hot water smells like rotten eggs, cold water doesn’t
The water heater’s anode rod reacting, often with softened water or a heater that sat unused
Run water first, call if it stays
Sewer smell from a guest bath
The P-trap dried out in the heat, or a failing wax ring
Before the next storm
Drains gurgle when it rains or when the washer empties
Partial blockage in the main line or a vent problem
Same day
Water dripping from a pipe outside the garage
Water heater relief valve, failed expansion tank or high pressure
This week
Pipes bang when a faucet shuts
Pressure over 80 psi or a worn pressure regulator
Can wait
Toilet hisses, refills by itself or “screams”
A fill valve or flapper hardened by hard water
Can wait; a recirculation pump or re-route fixes it
Hot water takes minutes to reach the kitchen
Long pipe runs in a single-story layout
Today, before it backs up
Several drains slow at once
Main sewer line clog, roots or a belly
Run the EPCOR Meter Test Before You Call
This free test tells you in minutes whether water is leaking somewhere you can’t see.
- Turn off every faucet, the dishwasher, the washer, the ice maker and the irrigation timer.
- Find your meter box near the street and lift the lid.
- Watch the small leak indicator on the meter face (usually a small triangle or dial) for a few minutes.
- If it’s moving with everything off, water is going somewhere. Note the reading, wait 30 minutes and check again.
- Close the main shutoff at the house. If the meter stops, the leak is inside the house or under the slab. If it keeps moving, the leak is in the line between the meter and the house.
Call us with what you saw. It helps us bring the right equipment the first time.
Repair or replace
Repair or Replace? Straight Answers on the Big Plumbing Decisions
Sooner or later, most San Tan Valley homeowners face one of these four decisions. Here is how we think them through with you.
Water Heaters
Replace it if the tank itself is leaking or it’s past about 10 years and needing repairs. Repair it if it’s younger and the problem is a part: a thermostat, an element, a gas valve, a relief valve or an expansion tank.
Tank, Tankless or Heat Pump?
- Tank: lowest upfront cost and easy to replace like for like. Flush it yearly in our water.
- Tankless: endless hot water for big families, but in 15 to 18 gpg water it needs regular descaling or a softener in front of it.
- Heat pump: uses far less electricity, and a hot garage helps it work. It costs more upfront.
Rebates in 2026
If SRP is your electric company, SRP offers a $500 rebate on an ENERGY STAR heat pump water heater with a UEF of 2.8 or better, installed by a licensed Arizona plumbing contractor in an existing home. The federal 25C tax credit for water heaters ended for equipment placed in service after December 31, 2025, so be careful with any quote that still counts it.
Slab Leaks
A slab leak in a San Tan Valley home is usually on the hot side, where the pipe expands and contracts every time hot water runs. We find it with acoustic listening and thermal imaging first, so the concrete only gets opened where it has to.
Your Three Repair Options
Spot repair
We open the floor at the leak and fix that one section. It makes sense for a first leak in otherwise sound pipe.
Reroute
We abandon the leaking line under the slab and run a new one through the walls or attic. It’s often the better buy when the copper has already leaked once.
Repipe
We replace the supply lines in the house, usually with PEX-A. This is for homes with repeat pinhole leaks.
Sewer Lines
Never agree to a big sewer job without seeing the camera footage. We run the camera, show you the problem on screen, and give you the file. Roots and grease can often be cleared with a jetter. A cracked or bellied section may need a spot repair or a liner. Full replacement is the last option, not the first.
Water Softeners and Filtration
At 15 to 18 grains, most San Tan Valley homes benefit from a softener. It protects water heaters, fixtures and glass. A softener does not remove nitrate, sodium or arsenic, though. For drinking water, reverse osmosis at the kitchen sink does that job.
Utility or plumber
Is It EPCOR’s Problem or a Plumber’s Job?
The meter is usually the dividing line. The water utility looks after the main in the street and the meter, and the homeowner looks after everything on the house side. Since EPCOR bought the old Johnson Utilities system in January 2021, it has run both the San Tan water and wastewater districts.

Water Side
Water bubbling up at the meter box or the street, or no water on the whole block: call EPCOR first at 1-800-383-0834. A leak between the meter and your house, or anywhere inside, is a job for a plumber.
Sewer Side
The sewer lateral that runs from your house toward the main is usually the owner’s to maintain. If neighbors are backing up too, tell EPCOR, because the problem may be in the public main. If it’s only your house, call us.
Septic and Other Water Providers
Some acreage parcels, like parts of Bonanza Highlands, run on septic and private wells. Pinal County’s Aquifer Protection program handles septic permits there. Some addresses near the Queen Creek line get water from the Town of Queen Creek instead of EPCOR. Check your bill to see who your provider is.
Rules and permits
Do You Need a Plumbing Permit in the Town of San Tan Valley?
Some jobs need one, and the rules changed recently. San Tan Valley voted to incorporate in August 2025, became a town on September 17, 2025, and took over its own local services on July 1, 2026. For now, Pinal County still runs building permits, plan review and inspections for town addresses under an agreement with the town.

What happens when you call
How Our San Tan Valley Plumbers Handle Your Call
Every job follows the same five steps, from a dripping faucet to a sewer replacement.
01
You Call (480) 919-7090
Tell us what you see and hear. We ask a few questions, explain any trip or diagnostic charge, and give you an arrival window.
02
We Find the Cause
We test before we touch anything: pressure gauge, meter test, camera, acoustic or thermal tools, depending on the problem.
03
You Get a Written Price
You see the repair options and the price for each one in writing. You choose. Nothing starts until you say yes.
04
We Do the Work
We protect your floors, make the repair to code, pull a permit where one is required, and test the system before we call it done.
05
We Walk You Through It
We show you what we fixed, hand over photos or footage, and tell you what to watch for next. Then we clean up.
Hire smart
How to Choose a Plumbing Company in San Tan Valley
Price matters, but the cheapest quote and the biggest ad budget are both poor ways to pick a plumber. Check these things with anyone you call, us included.

Five Things to Check
Red Flags to Watch For
Who we work for
Who We Help Around San Tan Valley
Families in Tract Homes
Three or four people in a 2000s build go through a lot of hot water and a lot of drains. We size heaters and softeners for real households and keep the house running during the fix.
Retirees and Fixed Incomes
You get a clear price, a repair option before a replacement option, and no pressure. Ask us to explain anything twice.
Landlords and Property Managers
About one home in six here is rented. We coordinate with tenants, send photos with the invoice, and fix it so you’re not called back next month.
Buyers and New Owners
Before you close, we can camera the sewer, check the water heater’s age from its serial number, and look for slab leak signs. After you move in, we’ll show you your shutoffs.
Acreage and Horse Properties
Long service lines, frost-free hydrants, automatic waterers, wells and septic systems are a different kind of plumbing. We plan around them.
Shops, Offices and Restaurants
Commercial restrooms, grease traps, backflow testing and drain maintenance, scheduled around your hours so customers aren’t disturbed.
Still comparing plumbers?Call and ask for our ROC license number and a written price. A good plumber is happy to give you both.
Service area
Plumbers Near San Tan Valley, AZ: Where We Work
Our office is at 3567 E Stagecoach Pass Ave in 85140. San Tan Valley itself comes first, and we also serve the towns within reach in Pinal and Maricopa counties. See the full list of towns, neighborhoods and ZIP codes on our areas we serve page.
San Tan Valley Neighborhoods and ZIP Codes
ZIP codes
851408514385144
Neighborhoods
Johnson RanchPecan Creek North and SouthSan Tan HeightsSkyline RanchThe Village at Copper BasinCircle Cross RanchEncanterraMorning Sun FarmsIronwood CrossingRancho Bella VistaCastlegateBonanza Highlands
Landmarks We Work Around
Hunt Highway, Gantzel Road and Ironwood Drive, Skyline Ranch Marketplace, Banner Ironwood Medical Center, Central Arizona College’s San Tan Campus and San Tan Mountain Regional Park.
Nearby Towns We Serve
Distances are straight-line miles from central San Tan Valley.
Pinal County
- Florence and Anthem at Merrill Ranch 85132 · about 11 to 14 mi
- Coolidge 85128 · about 14 mi
- Gold Canyon 85118 · about 16 mi
- Apache Junction 85119, 85120 · about 17 mi
- Casa Grande 85122, 85193, 85194 · about 23 mi
- Maricopa 85138 · about 29 mi
- Superior 85173 · about 29 mi
Maricopa County
- Queen Creek 85142 · about 7 mi
- Chandler Heights about 7 mi
- Sun Lakes 85248 · about 18 mi
- Gilbert 85233, 85234, 85295 to 85298 · about 18 mi
- Chandler 85224 to 85226, 85248, 85249, 85286 · about 18 mi
- Mesa 85206 to 85209, 85212 and more · about 23 mi
- Tempe 85281 to 85284 · about 28 mi
Farther out in Phoenix, Scottsdale or Fountain Hills? Call and ask. We’ll tell you honestly whether we can get there in a reasonable time.
Common questions
San Tan Valley Plumbing FAQs
Straight answers to the questions we hear most from homeowners in 85140, 85143 and 85144. Don’t see yours? Call and ask.
Call us (480) 919-7090
Talk to a local plumber
Call San Tan Valley Plumbing Experts
Leak, clog, cold shower or a smell you can’t place: call and tell us what’s going on. You get straight answers, an arrival window and a written price before we start.
Open Monday to Saturday, 9 AM to 6 PM. Emergency calls answered 24/7.

San Tan Valley Plumbing Experts
3567 E Stagecoach Pass Ave
San Tan Valley, AZ 85140
Phone: (480) 919-7090
Hours: Monday to Saturday, 9 AM to 6 PM. Emergency calls answered 24/7.
Serving: San Tan Valley 85140, 85143 and 85144, plus nearby towns in Pinal and Maricopa counties