Written scope
Price and work steps before demo
Bathroom mold remediation in Lacey means finding the moisture source first, then removing mold and drying the structure. We handle Thurston County homes with foggy mirrors, peeling caulk, and musty smells that keep coming back. If your bathroom mold removal in Lacey keeps failing, the leak was never fixed. We fix it.
Every bathroom mold job we run in Lacey includes inspection, containment, removal, cleaning, drying, and a final moisture check. What changes is how much material has to come out and whether repairs like drywall, tile, or a new exhaust fan are needed. We scope that before we start so you know what is covered.


We handle bathroom mold in single-family homes, condos, and rentals across Lacey. Every job starts with a moisture check and a look behind the wall before we quote.
We work with landlords, property managers, and small commercial owners who need bathroom mold handled without disrupting tenants. We document the job for your records.
Bathroom mold remediation in Lacey is the process of containing mold growth, removing contaminated materials, and drying the room so spores cannot recolonize. Bathrooms are the worst room in the house for this because they combine running water, steam, and poor air movement. We start with a moisture meter and thermal imaging camera to trace where water is actually sitting. Then we set containment, run a negative air machine with HEPA filters, and remove what is ruined. The work is not scrubbing a wall with bleach. It is finding the leak, controlling the dust, and drying the cavity behind the tile.
Most Lacey calls come from 1970s to 1990s builds near Long Lake and Tanglewilde where original exhaust fans have quit and shower pans have been leaking into subfloor for years. In a wet Washington winter, a bathroom with no working fan can hit 70 percent relative humidity and stay there. That is all black mold needs. We also see it in rentals around Meridian Campus where tenants keep windows shut and landlords never check the crawl space. If you search for bathroom mold remediation in Lacey WA near me, the answer is usually a source problem, not a cleaning problem.
Mold in a bathroom is a moisture problem, so we fix the water before we treat the growth.
Every job follows the same five steps, whether it is a small caulk-line problem in Horizon Pointe or a full tear-out in a 1978 split-level near Pattison Lake. You will know what is happening and why at each stage.

Reads moisture content in drywall, framing, and subfloor so we know exactly how far the water has traveled and when the structure is dry enough to close up.

Shows temperature differences behind walls and under floors, which reveals hidden moisture and mold growth that a visual inspection would miss.

A small camera on a flexible probe that lets us look inside wall cavities and under tubs through a 1-inch hole before we commit to demolition.

Creates negative pressure in the work area and filters airborne spores so mold and dust do not spread to the rest of your home during removal.

Pulls moisture out of framing and subfloor and circulates air so the cavity dries in 2 to 4 days instead of staying damp for weeks.

Removes settled spores and fine dust from framing, surfaces, and the work area before we apply antimicrobial treatment or close up the wall.

We follow the IICRC S520 standard for containment, removal, cleaning, and drying. That means proper negative air, HEPA filtration, and documented moisture readings instead of a spray-and-wipe job that fails in a season.

We match the product to the surface and severity. Concrobium and Benefect work well on porous and everyday surfaces, while RMR-86 handles heavy staining on framing. We apply after HEPA vacuuming so the treatment reaches clean material.
We inspect with a moisture meter and boroscope, find the shower pan is leaking into the wall cavity, remove the damaged drywall and caulk, treat the framing, and dry the cavity for three days. The smell is gone, the wall is dry, and the new caulk line and mold-resistant drywall hold up through the next wet season.
We test the fan, find it is undersized and venting into the attic, replace it with a properly sized unit ducted outside, and treat the ceiling mold with an antimicrobial solution. The tenant stops complaining, the ceiling is clean, and the new fan keeps humidity down so the problem does not return.
We extract standing water, remove the wet cabinet base and drywall, HEPA vacuum and treat the framing, then set a dehumidifier and air movers for four days. Moisture readings return to normal, mold never gets a foothold, and the cabinet and floor are rebuilt with mold-resistant materials.
Lacey sits in Thurston County where wet winters and mild, humid summers keep bathroom moisture problems common. Most of the housing stock we work in was built between 1965 and 1995, and a lot of those bathrooms still have original exhaust fans that move less air than a hair dryer. In Central Lacey and Tanglewilde, we see failed shower pans and toilet wax rings. Around Long Lake and Pattison Lake, crawl space moisture pushes up into bathroom floors and keeps the subfloor damp. Newer builds in Meridian Campus and Horizon Pointe tend to have shower pan leaks and poorly sealed tile. If you need affordable bathroom mold removal Lacey Washington, the fix is usually a fan upgrade, a new pan seal, or a vapor barrier in the crawl space, plus proper drying. We work to IICRC S520 and WA State Department of Labor & Industries requirements, and we document every job with photos and moisture readings.
A 1979 Tanglewilde bathroom had black mold along the caulk line and a musty smell that returned every few weeks. The exhaust fan was dead, and the shower pan had been leaking into the wall cavity for at least a year. The bottom 2 feet of drywall was soft.
We removed the damaged drywall and caulk, treated the framing, replaced the fan with an 80 CFM unit ducted outside, and dried the cavity for three days. Moisture readings returned to normal, and the new mold-resistant drywall and caulk line held through the next wet season.
Run the new fan for 15 minutes after every shower and check the caulk line twice a year. If you see it pulling away from the tile, reseal it before water gets behind it again.
A rental near Meridian Campus had a musty smell and dark staining around the toilet base. The wax ring had failed and water had been seeping into the subfloor for months. The tenant had been cleaning the surface, but the smell kept coming back.
We pulled the toilet, removed the damaged subfloor section, HEPA vacuumed and treated the framing, and dried the area for two days. The subfloor was replaced with mold-resistant material, and the toilet was reset with a new wax ring. The smell was gone.
Check the toilet base for wobble every few months and look for staining around the caulk. A soft spot in the floor means the ring has failed again and needs to be reset.
A Long Lake area home had recurring mold on the bathroom floor and baseboards. The bathroom itself looked fine, but the crawl space under it had no vapor barrier and stayed damp year-round. Humidity was pushing up through the subfloor.
We removed the mold from the baseboards and subfloor edge, installed a vapor barrier in the crawl space, and dried both areas with a dehumidifier for four days. Moisture readings in the bathroom dropped and stayed in normal range.
Keep the crawl space vents clear and check the vapor barrier once a year for tears. If the bathroom floor feels cold and damp in winter, check the crawl space first.
Most bathroom mold calls come down to one of a few moisture problems. Here is what we see in Lacey and how we handle each one.

We find the moisture source with a moisture meter and thermal imaging camera, then remove the contaminated material and dry the cavity. Cleaning without fixing the source is why the smell keeps coming back. Surface cleaning kills what you can see but leaves the moisture source and the growth behind the wall. The smell returns within weeks, and the mold spreads into the framing and subfloor.

We remove the failed caulk, check the shower pan and wall cavity with a boroscope, and treat the framing with an antimicrobial solution. If the backer board is compromised, we replace that section with mold-resistant drywall. Black mold on caulk usually means water is sitting behind the tile or in the shower pan. Left alone, it moves into the backer board and the subfloor, and the repair gets more expensive.

We check the fan CFM and the vent path. If the fan is dead or venting into the attic, we replace it and route the duct outside. That single fix stops most recurring bathroom mold in Lacey homes. An undersized or dead fan lets steam and humidity build up after every shower. That condensation feeds mold on ceilings, walls, and window frames, and it keeps coming back no matter how often you clean.

We open the wall, remove the wet material, HEPA vacuum the framing, and dry the cavity with a dehumidifier and air movers. We document what we found with photos before closing it up. A slow supply line or drain leak can soak drywall and framing for months before you see staining. By then, mold is growing inside the wall and the subfloor may be soft.
We fix the leak, the failed caulk line, or the dead exhaust fan before we treat anything. That is why our bathroom mold treatment Lacey WA work holds up through a wet Thurston County winter instead of blooming back in six weeks. Most repeat mold calls we see are jobs where nobody found the source.
We seal the doorway with 6-mil poly and run a negative air machine with HEPA filters so spores do not drift into your hallway or bedrooms. A typical bathroom job runs 4 to 8 hours of active work, and your family can stay home. We also HEPA vacuum every surface before we break containment.
A boroscope through a 1-inch hole in the drywall shows us what is happening behind the shower valve and under the tub. We find soft subfloor, rotted framing, and mold in crawl spaces that a surface inspection misses. You get photos of what we found before we close anything up.
Most bathroom mold jobs in Lacey run $450 to $2,800 depending on how much tile and drywall has to come out. We give you a written scope and price before any demo. If we open a wall and find more, we stop and show you before the number changes.
Typical 2026 pricing for bathroom mold remediation in Lacey runs $450 to $2,800, with most single-wall or shower-area jobs landing between $900 and $1,600. The number depends on how much tile and drywall has to come out, whether the subfloor is soft, and how many days of drying are needed. A small surface mold job with a caulk-line fix can be under $500. A full tear-out with framing repair and a new exhaust fan runs higher. We give you a written scope and price before any demolition starts, so there are no surprise add-ons.
What your estimate is based on
$450 - $2,800 depending on scope The price covers inspection, containment, removal, antimicrobial treatment, drying, and a final moisture check. Fixing the source is what makes the cost worth it, because a cheap cleaning that skips the source just means paying twice.
Clear records you can keep and share.
Price and work steps before demo
Before, during, and after images
Daily readings until the wood is dry
Bathroom mold almost always grows because of a moisture source that was never fixed. Cleaning the visible mold without finding that source means it comes back.
Mold on caulk and grout can often be cleaned and treated. Mold behind tile or in the subfloor has to be removed with the material. We check with a moisture meter and boroscope before deciding.
Removing mold without drying the framing leaves moisture that feeds new growth. We run a dehumidifier and air movers and check readings daily until the wood is back to normal range.
A bathroom needs 80 to 110 CFM of exhaust to clear steam after a shower. If your fan is dead or venting into the attic, replacing it and ducting it outside stops most recurring mold.

Outside these areas? Call and ask, we may still cover your street. 3609950233
Most bathroom mold jobs in Lacey run $450 to $2,800 in 2026, with a typical single-wall or shower-area job landing around $900 to $1,600. Cost depends on how much tile and drywall has to come out, whether the subfloor is soft, and how many days of drying are needed. A small caulk-line problem with surface mold can be under $500. A full tear-out with framing repair and a new exhaust fan runs higher. We give you a written scope and price before any demolition starts.
The main cause is trapped moisture, usually from a dead or undersized exhaust fan, a leaking shower pan, or a toilet seal that has failed. Lacey's wet winters push indoor humidity up, and a bathroom with no working fan can sit at 70 percent relative humidity for weeks. Condensation on cold walls and ceilings feeds black mold. Poor ventilation, slow drips behind the wall, and crawl space moisture moving up into the floor all contribute. Fixing the moisture source is the only way to stop it.
Sometimes yes. If mold is growing on the surface of grout, caulk, or paint and the tile and backer board are still solid, we can clean and treat it without removing tile. We HEPA vacuum, apply an antimicrobial solution, and fix the moisture source. If the mold has moved into the backer board or the subfloor is soft, the tile has to come out because the growth is behind it. We check with a moisture meter and boroscope before we decide.
A typical bathroom mold job takes 1 day of removal and cleaning, then 2 to 4 days of drying with a dehumidifier and air movers. Small surface jobs can be done in a single visit. If we are replacing drywall, tile, or a shower pan, add 1 to 3 days for repairs. We check moisture readings daily and do not pull equipment until the framing is back to normal range. You get a written summary when the job is done.
Call 360-995-0233 and we will inspect the bathroom, find the moisture source, and give you a written scope and price before any work starts. We are licensed and insured in Washington and we document every job with photos and moisture readings.
Call 360-995-0233 or email info@laceymoldpros.com to book an inspection. We answer the phone during business hours and return after-hours messages first thing the next morning. Most inspections get scheduled within one business day, and we serve all of Lacey and the surrounding Thurston County area.