Bathroom Water Damage Repair in Dallas, TX

Bathroom leaks hide well. The tile looks fine, the floor feels fine, and the first clue shows up in another room or on the ceiling below.

How Do I Know if My Shower Pan Is Leaking?

A leaking shower pan shows itself around the shower more than inside it. Look for grout that never dries out, efflorescence (white crust) along the grout lines, a damp or crumbling baseboard on the wall outside the shower, loose or hollow-sounding floor tile, or a water stain on the ceiling below an upstairs bath.

A licensed plumber can confirm the leak with a flood test of the pan and check the drain and valve while they are there. In Texas, that plumber must hold a license from the Texas State Board of Plumbing Examiners. If water has spread, a mitigation company dries the area before any rebuild; we do not handle drying. For more early signs, see our post on hidden leaks under sinks and showers.

Why Leaking Shower Pans Fail and How They Get Rebuilt

Many older showers have a traditional pan: a sloped mortar base, a waterproof liner, a second mortar bed and then tile. Water soaks through the grout, runs along the liner and exits through small weep holes at the drain. When those holes clog, or a nail punctures the liner, water collects in the mortar bed and finds its way out under the curb or into the wall.

Fixing a failed liner means removing the shower floor, the curb and typically the bottom rows of wall tile. Framing and sheathing get checked for rot and replaced where needed. We then rebuild with a properly sloped base and a waterproofing system appropriate to the shower, often a surface-applied membrane on the floor and walls. It is the same approach we take on a planned shower remodel.

Toilet Leak Floor Damage and a Rotted Subfloor in the Bathroom

Toilet leaks behave differently depending on what the bathroom sits on. Most single-story Dallas homes are on slabs, so a leaking wax seal soaks the flooring, baseboard and bottom of the drywall, but the floor itself stays solid. In upstairs bathrooms and pier-and-beam homes in older parts of Dallas, the same leak rots the plywood subfloor, leaving a soft spot around the toilet.

On those floors we cut out the damaged subfloor back to sound wood, check the joists, and install new subfloor before tile or vinyl goes down. The plumber resets the toilet on a new flange and seal. If wet flooring spreads beyond the bathroom into a hallway or bedroom, our water-damaged floor replacement page covers testing and matching.

Tub Leak Repair and Bathroom Ceiling Water Damage Below

Tubs leak in a few predictable places: the overflow gasket behind the drain cover, the drain connection under the tub, the valve and spout inside the wall, and caulk joints where the tub meets tile. Upstairs, any of them shows up as a stain or sagging drywall on the ceiling below.

After the plumber repairs the connection, we open and replace damaged drywall on the ceiling, retexture it to match and paint. On the tub side, that may mean replacing a few rows of tile, the full surround, or the tub itself if the damage or its age makes that the better choice.

What a Bathroom Water Damage Rebuild Includes

Our rebuild starts after the plumber's repair and the drying are done, and it covers everything between the studs and the finished tile:

• Removal of remaining damaged tile, mortar, drywall and flooring, with framing and subfloor repaired where wood has rotted
• New shower base, curb and waterproofing system
• Wall tile, floor tile and grout matched or replaced
• Ceiling drywall repair, texture and paint in rooms below
• Vanity, toilet and accessory reset or replacement
• Fixture reconnection by a licensed plumber

Exact tile matches are rare once a bathroom is 15 or 20 years old, so we plan for it: a contrasting accent band, one full wall replaced, or new tile through the room. The written scope lists which surfaces are repaired in kind and which you chose to change, so an insurer can see the difference.

Shower Leak Repair, Step by Step

1. Consultation. After the leak is fixed and dried, we inspect the damage and review any moisture readings and adjuster notes.
2. Scope and selections. We separate the like-for-like repair from upgrades, and you choose tile and fixtures.
3. Permits when needed. A replaced shower valve or moved drain is permitted plumbing work by a TSBPE-licensed plumber.
4. Demolition. The failed pan, damaged tile and wet framing come out.
5. Rebuild. Framing, backer board, waterproofing, tile and grout go in, and the pan is flood tested before tile.
6. Walkthrough. We review the shower, caulk joints and drains with you and explain cure times before first use.

Who Has to Be Licensed on a Bathroom Leak Repair

Every pipe, valve and drain connection on this job belongs to a plumber licensed by the Texas State Board of Plumbing Examiners, and a new exhaust fan circuit or GFCI outlet belongs to an electrician licensed by the Texas Department of Licensing and Regulation. Mold found behind the shower is assessed and remediated by separate TDLR-licensed companies before we rebuild. In Dallas, plumbing permits are pulled by a city-registered contractor, while Richardson, Plano and Farmers Branch each issue permits through their own building inspection offices.

What Drives the Cost of Bathroom Water Damage Repair?

The size of the demolition drives most of it. Regrouting costs far less than a new pan; a new pan costs less than a full shower; and rotted subfloor or framing adds carpentry. Matching discontinued tile, ceiling repair below, and upgrades like a larger shower or new glass add to the total.

Access is the next driver. A shower that backs onto a closet can be opened from behind, while one against a finished hall bath means more demolition. Upstairs leaks add ceiling work in the room below, and pier-and-beam floors add subfloor and sometimes joist repair that slab homes avoid. Glass is its own line: a frameless panel can sometimes be reused if the rebuilt curb and walls keep the same dimensions. If a claim is involved, see insurance claim remodeling for how we price against the adjuster's scope.

Bathroom Leak Repairs Around Lake Highlands

We rebuild water-damaged bathrooms across Dallas, plus Richardson, Plano and Farmers Branch, each within about 20 to 30 minutes of Lake Highlands. Homes built from the 1960s through the 1990s often have showers on traditional mortar pans, which makes a failed liner a likely cause of hidden bathroom damage. Call (239) 545-0550 once the leak is repaired and the room is dry.