Extraction and drying after a tank water heater leaks across a cellar floor; a licensed plumber replaces the tank.
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Water heater leak cleanup removes what a failed tank spills and dries the floor, walls and contents. In older Jenkintown homes the heater often sits in the cellar, so water runs across stone or concrete toward the drain. A licensed plumber replaces the tank. The phone is answered 24/7, and a crew goes out when one is free.
Turn off the heater's power or gas supply if you can reach it safely, close the cold-water valve on top of the tank and keep out of any water that has reached an outlet or the electrical panel. A tank holds dozens of gallons, and when the bottom lets go, most of it is on the floor within minutes. Shutting off the supply stops the refill, which is what keeps a slow failure from becoming a flood.
In much of the housing around Jenkintown, the water heater is in the cellar. That puts it a few feet from the furnace, the electrical panel, the washer and whatever the household has stored down there. A leak there tends to spread across a stone or concrete floor, find the floor drain if there is one and creep under finished walls and stored boxes.
This page covers what the crew does after a tank leaks, what is salvageable, what the water category usually is and where the line sits between the restoration work and the plumber's job. A licensed plumber replaces the tank and the connections. The crew removes the water, dries the room and handles repairs to what was damaged.
Never step into standing water in a cellar if the water heater, a wet outlet or the electrical panel is within reach. If the heater is gas, smell for gas before doing anything and leave the house if you notice it.
The heater's power or gas and the cold-water supply are closed. The crew checks for water near the panel and outlets before stepping into the room.
A wet vacuum or portable pump removes standing water. On an uneven stone or concrete floor, water collects in low spots and behind objects, so the crew works to those points.
Boxes, shelving and laundry are lifted off the floor. Cardboard that has wicked water is usually discarded, and items worth keeping are separated and dried.
Air movers and dehumidifiers run until the floor, the lower walls and the framing around the heater read dry. A closed cellar dries slowly, so equipment may run for days.
You get photos and moisture readings for your records. Repairs, such as replacing baseboards or drywall near the tank, are quoted separately after drying.
Most heater leaks are clean-water jobs in one area. The price follows the square footage that got wet, the floor and wall materials, and how long the room takes to dry.
| Job | Typical range | What it includes |
|---|---|---|
| Water heater or appliance leak cleanup (extraction and drying, one area) | $800–$3,000 | Tank and plumbing work are a separate bill |
| Standing water extraction (per sq ft) | $1.00–$3.50 | Larger when water has spread to adjoining rooms |
| Commercial dehumidifier, LGR (per unit, per day) | $75–$150 | A cellar often needs one running for several days |
| Air mover (per unit, per day) | $25–$50 | Aimed along the wet wall base |
| Wet carpet pad removal and disposal (per sq ft) | $0.75–$2.00 | Only if a finished area was wet |
These are working estimates for Montgomery County in 2026, not a published rate card. Your price for the emergency stage is explained and approved before work starts, and the plumber's charge for the tank is separate and not included anywhere on this page.
Shut off the power or gas to the heater, close the cold-water valve above it, and stay clear of standing water near outlets or the panel. If you can reach the main shut-off safely, close that too. Then call. Do not try to drain the tank onto the floor, since that adds to the damage.
The cold-water valve above the tank is the one that matters most, because it stops new water from refilling a leaking tank. If that valve is stuck or you cannot get to it, the main shut-off for the house does the same job.
Electric heaters should be switched off at the breaker only if you can reach the panel without stepping through water. Gas heaters have a control knob on the gas valve. A gas smell means walk out first and phone the gas utility from the street.
Take photos of the floor, the tank and anything damaged before anything is moved. They help with your records and with any insurance claim, and they take less than a minute.
A cellar floor is often an uneven poured slab, sometimes laid over older stone or brick. Water finds the low spots, runs toward a drain or a wall and soaks wood and cardboard on the way. A stone wall can wick water up from the floor, so wet material shows up farther from the tank than expected.
Older cellars rarely have a perfectly level floor. Over decades a slab shifts, patches are poured over cracks and sloping toward the drain is not always what the floor does. Water from a heater tends to collect where the slab dips.
The base of a stone or brick wall acts a bit like a wick. If water stays against it, the lower courses can darken and the mortar can stay damp long after the floor looks dry. That is why meters are used on the wall base and not just the floor.
Floor drains help when they work. In some older homes they connect to the sewer, and a clogged or backed-up drain can bring dirty water into the same space, which is a different problem handled on the sewage page.
Cardboard, paper, fabric and anything porous take on water quickly and often cannot be saved, while plastic, metal and glass can usually be cleaned and dried. The crew sorts items as they are lifted off the floor. Anything that sat in the water for a long time or smells musty is more likely to be discarded.
Cellars collect more than most people realize: holiday boxes, old paperwork, tools, laundry baskets and furniture waiting for a second life. Cardboard is the fastest to fail, and it can mold in a damp cellar.
Furniture with solid wood often dries and cleans well. Particleboard and laminate swell and rarely return to shape. For anything of sentimental value, a crew can set it aside to dry slowly, and a conservator is a better choice for rare documents or photographs than a household fan.
If the water has been sitting on the floor, the category of that water matters. Clean supply water is Category 1, but it can slip toward Category 2 as it passes over a dirty floor or sits and warms. The crew decides on site.
The crew removes the water, dries the room and repairs what the water damaged. A licensed plumber stops the leak, replaces the tank and fixes valves and connections. The two jobs are separate, and the crew can work around the plumber's visit. Replacing the heater is not part of restoration work.
In Philadelphia, a plumber needs a city trade license from Licenses and Inspections. Outside the city, the rules differ by municipality, so the safest thing to ask is whether the plumber you hire is licensed to work where you live.
If your heater is old and leaking, expect to replace it and not repair it. A restoration crew cannot disconnect or install a tank, and it does not do gas or electrical work.
Permits for plumbing work in Montgomery County are handled by each borough or township, not the county. Your plumber will know what is needed, and your local building office can confirm.
A rusted-out tank often weeps for a long time before it lets go. The water may soak a wall or wooden shelf unnoticed. Because the leak is gradual, the damage can be hidden behind stored items, and mold becomes a concern if it sat a while.
The bottom seam splits or a fitting fails, and most of the tank empties at once. Water is clean at first, and the volume is the issue. It crosses the floor and can reach other rooms, so quick extraction matters more than anything.
A leak from the temperature and pressure relief valve, the supply lines or the drain valve is usually smaller but can run for weeks. The source is a plumber's repair. The crew deals with what the water did to the floor, the wall and the contents.
A tank in a utility closet or finished space puts water into ceilings and rooms below. That is a different job, closer to ceiling and appliance leaks, and it often involves drywall or plaster that has to be opened and dried.
Around Jenkintown, many older houses put the water heater in the cellar beside the furnace and the electrical panel. That layout means one failed tank can threaten three things at once, and it means the first job is making the room safe to enter. Stone walls, a patched slab and a sloping floor decide where the water ends up.
Cellars in older Montgomery County homes tend to be damp already, especially in spring and after long rain, and the basement flooding cleanup page covers the bigger floods. A heater leak lands on a floor that may not be fully dry from the last wet season, and that makes drying slower and mold a more serious concern. EPA guidance advises drying wet materials within 24 to 48 hours.
If your home is part of a row or a twin, tell the crew which walls are shared. Water that reaches a party wall can move into the neighbor's side, which is covered on the rowhouse and twin water damage page.
If it's an emergency, call now. For non-urgent water heater leak cleanup, send the form and we'll call you back.
Not sure if you're covered? Check your ZIP code.
Pumping, cleanup and drying when water arrives in a basement from the surface, a failed pump or a backed-up drain.
Monitored drying of plaster-and-lath walls, hardwood over joists and stone or brick, with daily readings until dry.
Drying and cleanup after a washer hose, dishwasher line or refrigerator supply leak reaches floors and the ceiling below.
No. A licensed plumber replaces the tank and handles gas, electric and water connections. The crew removes the water, dries the room and repairs the damage afterward. The crew and the plumber work separately, so one visit does not have to wait for the other.
A standard tank holds a lot of water, and a split seam can empty most of it in a short time. A slow leak releases less at once but can run for weeks. The amount matters less than where it goes, and a crew finds that with meters.
It starts out clean, which is Category 1 in the industry's terms. It can pick up dirt, rust and cellar debris as it spreads, and water that sits for a long time can get worse. The crew decides the category on site, and the answer changes how materials are handled.
Cardboard and paper usually are, because they soak up water. Plastic bins, metal and glass can often be cleaned and dried. The crew sorts items as it moves them, and you decide what is worth keeping.
Coverage turns on your policy and on how the leak happened. Sudden and accidental leaks are often covered, but gradual leaks usually are not, and the tank itself is typically not part of the claim. The decision is your insurer's. The crew can document the damage and give you readings for your claim.
Often several days, since a closed cellar with stone walls dries slowly. The crew monitors moisture readings and keeps equipment running until the floor and wall base are dry. You get the readings, so you can see the numbers moving.