Upstairs leaks · Slab leaks · Drying · Prosper, Texas
Water damage restoration in Prosper,for homes built on moving clay
Prosper grew fast on Blackland Prairie clay, so its water damage has a particular shape: lines overhead in two-story houses, plumbing under slabs that sit on soil that swells and shrinks, and the odd hard freeze that catches everything at once. One call connects you with an independent local restoration contractor.
Referral by phone only: an independent contractor speaks with you on your call.
- Upstairs and attic leaks
- Slab leak moisture
- Extraction and drying
- Sewage backup cleanup
- One phone callYour call goes straight to an independent contractor, with nothing to fill in.
- Prosper focusPages written around Prosper housing, soil and town offices.
- No follow-up listsYour details are not gathered for anyone to contact you later.
- Sources shownEvery guide lists the public agencies and references behind it.
Key facts: Home
- EPA mold guidance sets a 24 to 48 hour target for drying anything that got wet in a house [1].
- Prosper's population rose from 9,423 in 2010 to 30,174 in 2020, so much of its housing is recent [2].
- DFW's 1991-2020 normal precipitation is 37.01 inches a year and McKinney's table lists about 41 inches, with May the wettest month [3] [4].
- In February 2021 DFW fell to -2°F and spent 139 straight hours at or below freezing [5].
Start here
What are you looking at right now?
Choose the closest description to read what usually lies behind it.
Water dripping through a downstairs ceiling
Something upstairs or in the attic has let go. Find the main shutoff before anything else.
Read moreA warm patch on a tile or wood floor
Heat through the floor can point at a hot-water line leaking under the slab.
Read moreA brown ring on the ceiling under the AC
Air handlers in attics drain condensate, and clogged lines overflow in cooling season.
Read moreA pipe split in a hard freeze
Damage often only shows once the line thaws and pressure returns.
Read moreSewage rising in a tub or floor drain
Stop running water in the house. This water is contaminated.
Read moreCarpet that squelches or walls that read damp
Hidden moisture needs extraction, meters and proper equipment.
Read more
Services
The four kinds of job Prosper callers usually describe
Each page explains the work step by step and what you can sensibly handle yourself.

Burst Pipe Water Damage
Lines in attics, garages and exterior walls, and what North Texas freezes do to them.
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Sewage Backup Cleanup
Contaminated water from drains and toilets: what to stop doing and how it is cleaned.
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Slab Leak Water Damage
Warm floors, damp baseboards and moving meters, on clay that swells and shrinks.
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Water Extraction and Drying
Pulling out the water and drying both floors of a two-story house until the readings match.
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Do these three things before you phone anyone
Keep out of standing water that could reach outlets, extension cords or a floor-level power strip. If you smell gas, leave the house and call from outside. Then close the main water valve, and in a two-story home open a low faucet so the water left in the upstairs lines drains out somewhere harmless instead of through a ceiling.
- Stay out from under a ceiling that is bowing
- Treat toilet and floor-drain backflow as contaminated
- Take photos before moving anything
Why two stories matter
Gravity makes an upstairs leak everybody's problem
Many Prosper houses put bathrooms, a laundry room and sometimes an air handler over finished rooms. A failed supply hose on the second floor does not stay on the second floor: water runs through the subfloor, along joists and ceiling drywall, and comes out wherever it finds a seam or light fixture, often some distance from the source.
That is why the visible stain is rarely the whole job. A contractor needs to trace the path, open what is holding water and set up drying on both floors. The EPA's advice to dry wet materials within 24 to 48 hours is the reason not to wait and see [1].
- The drip location is seldom directly under the source
- Insulation and ceiling cavities hold water out of sight
- Moisture readings on both levels decide the finish line

Soil and slabs
What Blackland clay does under a Prosper foundation
Collin County sits within the Texas blackland prairies, where dark clay shrinks in dry weather and swells when wet [6]. Soil that moves puts stress on what is in it and on it, which is one reason slab leaks are a topic worth knowing about here even in young houses.
A leak under a slab can run for weeks before you see anything, and it adds water to soil beside the foundation. Finding and repairing that line is plumbing work; dealing with wet flooring, baseboards and lower walls is restoration work. This site connects you with a contractor who can explain how the two fit together.

Before and after
From a soaked upstairs room to one ready for repair
The goal is dry materials confirmed by readings, then repairs.
BeforeAfterRoom by room
Where Prosper-style homes tend to get wet
Illustrative images of common situations, not jobs we have done.
- BeforeAfter

Second-floor laundry
A failed hose reaches the ceiling below within minutes.
- BeforeAfter

Attic air handler
A clogged condensate line can stain ceilings in cooling season.
- BeforeAfter

Floor over a slab
Wood cups when moisture arrives from below.
- BeforeAfter

Garage wall line
Lines in colder outer spaces are the first to freeze.
- BeforeAfter

Primary bathroom
Supply lines and drains behind vanities are common sources.
- BeforeAfter

Downstairs bath backup
The lowest fixture is where a blocked drain usually shows up.
Illustrative images. Every job depends on the property and the damage.
How it works
What actually happens when you call
- 1
Dial the number on this site
Your call is routed to an independent contractor who takes Prosper calls.
- 2
Say what got wet and when
Mention how many stories the house has, where the water showed up first and whether it has stopped.
- 3
Decide on the call
The contractor explains options while you are on the line. Any visit is arranged between the two of you.
Around town
Prosper neighborhoods with their own pages
The town spans two counties and more than a century of building. These pages cover what differs from one part to another.
Service areaDowntown Prosper
The historic core around Broadway, where the oldest buildings meet new development.
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Service areaGentle Creek Estates
Custom homes around a golf club, some now over twenty years old, on big lots.
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Service areaStar Trail
A Blue Star Land community by the tollway, young enough that paperwork still matters.
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Service areaWindsong Ranch
About 2,000 acres of recent builder sections, with HOA rules and two-story plans.
Learn more
Quick reference
Match the source to your first move
| Source | Usually treated as | First move |
|---|---|---|
| Upstairs supply line or washer hose | Clean at first | Close the main, open a low faucet |
| Attic air handler overflow | Grey, ages quickly | Switch the AC off at the thermostat |
| Line under the slab | Clean at first | Close the main, call a plumber to locate it |
| Pipe split in a freeze | Clean at first | Close the main before it thaws further |
| Toilet, tub or floor drain backflow | Contaminated | Stop using water indoors |
| Storm water through a door or low wall | Contaminated | Stay out, photograph from a safe spot |
Local weather
Prosper's rain comes in bursts, and its cold comes rarely but hard
NWS Fort Worth lists DFW's 1991-2020 normal at 37.01 inches of precipitation a year, and McKinney, the closest long-record comparison in Collin County, shows about 41 inches with May the wettest month [3] [4]. Those stations are not in Prosper, but they give a fair sense of the region. A modelled estimate from Open-Meteo reads higher for Prosper itself, about 55 inches a year over the long term and 47.2 inches for November 2025 to October 2026; treat modelled figures as rough, because they may overstate North Texas rainfall.
Cold matters too, more than the averages suggest. DFW averages 29 freezes a season, and in February 2021 it reached -2°F with 139 consecutive hours at or below freezing [3] [5]. Read how to prepare for a hard freeze before the next one.
About this service
A referral line, and pages you can check for yourself
Water Damage Restoration Prosper is a call-in referral service. Your call connects to an independent local contractor who talks with you on that call; we do not perform the work ourselves, and no one here collects your details to contact you later.
The pages draw on public sources such as the EPA, the Texas Department of Insurance, TDLR and the Town of Prosper, and each lists what it relies on. Ask any contractor about their credentials and check them yourself; plumbers are licensed through the Texas State Board of Plumbing Examiners [7], and mold work above a set size falls under TDLR [8]. See how this site works, the editorial policy and our short answers to common questions.
Guides
Read this while the fans are running
GuideAC overflow and ceiling stains
Why an attic air handler can stain a ceiling and how to clear the problem at the source.
Read the guide
GuideFirst hour after a two-story leak
The order to do things in when water is coming down through a ceiling.
Read the guide
GuideHard freeze preparation
A short checklist before the next hard freeze, based on what February 2021 showed.
Read the guide
GuideSigns of a slab leak
Warm floors, moving meters and damp baseboards, and how to test before anyone opens concrete.
Read the guide
GuideTexas insurance claims
What Texas regulators say about sudden leaks, gradual leaks, floods, mold and documents.
Read the guide
GuideTexas mold rules
The 25 square foot line, licensing, notification and what you can clean yourself.
Read the guide
Questions
Prosper water damage, answered plainly
Who do I call for water damage in Prosper, Texas?
Call the number on this site once it is safe to do so and the water is off. Your call connects to an independent local restoration contractor who can talk through what happened.
Why is a leak upstairs so hard to trace?
Water follows joists, pipes and drywall seams before dripping, so it can appear some distance from the source. A contractor uses moisture meters to follow its path rather than guessing from the stain.
Does homeowners insurance pay for water damage in Texas?
The Texas Department of Insurance says most policies cover sudden and accidental water damage such as a burst pipe, but usually not gradual leaks or floods. Your own policy wording decides, so check with your insurer.
How do I know the house is dry?
Readings decide it. Wet areas are compared with unaffected materials of the same type, and drying is done when they match. A surface can feel dry while the framing behind it is still wet.
Is Prosper in Collin or Denton County?
Both. The town lies across parts of both Collin and Denton counties, which matters when you look up flood maps or county records for your own address.
Can a house under ten years old really have water damage?
Yes. Age helps with some failures, but supply hoses, condensate drains, drain clogs and freezes can affect any house. Keep your builder paperwork handy, since it may matter for a newer home.

Get connected
Talk to a contractor about your Prosper home
Say what got wet, when it started and whether the water is off. You are connected on the same call.
Sources and citations
- [1]U.S. EPA: A brief guide to mold, moisture and your home
- [2]Wikipedia: Prosper, Texas
- [3]NWS Fort Worth: 1991-2020 climate normals for DFW
- [4]Wikipedia: McKinney, Texas (climate, citing NOAA)
- [5]NWS Fort Worth: February 2021 winter event
- [6]Wikipedia: Texas blackland prairies
- [7]Texas State Board of Plumbing Examiners
- [8]TDLR: Mold remediation notification FAQ
- [9]IICRC: ANSI/IICRC S500 water damage restoration standard
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