Free visual inspection and a written scope of work before any mitigation begins - photos, moisture readings, and drying logs go in your claim file
The scope we write is the scope we bill. Anything new gets shown to you, in writing, before we touch it.
Fast, Reliable Mold Remediation Across Montrose
Mold remediation in Montrose, CA typically costs between $1,200 and $4,800 depending on how far the moisture has traveled through wall cavities and framing. Most jobs in Montrose are completed within two to three days once containment is set up. If you’re seeing dark spots on baseboards along Honolulu Avenue or catching a musty smell in a bedroom that won’t go away, call (940) 466-4354 and a live person will answer, day or night.
We know Montrose homes the way only a local restoration company can. The slab-on-grade construction, the older stucco exteriors, the way canyon winds push moisture against west-facing walls after sundown. Wendell Water Damage Restoration has been doing this work since 2006, and our crews serve Montrose directly from the Los Angeles office. When you call, you get a written price before any work starts. Not a range that shifts when the crew steps through your door. A number on a digital invoice you can pay from a link on your phone.
Why Wendell Water Damage Restoration Is Montrose’s Preferred Mold Remediation Company
Homeowners in Montrose call us because we answer the phone. Every call, 24/7, is picked up by a real person. Not a voicemail. Not a callback queue. Blake Sorensen leads our team, and the standard he set from day one is simple: tell the homeowner what it costs, when we’ll be there, and what we’ll do before we touch a single tool.
Our technicians are background-checked and uniformed. You’ll get a live arrival time you can track, the same way you’d track a rideshare. And because Montrose sits in a foothill valley where moisture behaves differently than it does in flatter parts of Los Angeles County, we send crews who understand the local building stock. Older homes with original tile showers. Crawl spaces with no vapor barrier. Attics where bathroom exhaust fans were vented incorrectly for decades.
Our Mold Remediation team follows IICRC, RIA, and IFA standards on every job. We use professional equipment from Phoenix, XPOWER, and B-Air. And every job in Montrose comes with the 365-Day Done Right Promise in writing. If it’s not done right, we make it right. No fine print, no argument.
Mold Removal Service in Montrose
Mold Removal Service in Montrose means removing visible mold growth from surfaces like drywall, framing, tile grout, and subflooring. The work involves HEPA vacuuming, antimicrobial treatment, and careful disposal of contaminated materials. In Montrose, where older stucco homes trap moisture behind walls, this service often reveals a larger problem hiding inside the cavity. A typical mold removal job in Montrose runs $1,200 to $3,500 depending on square footage and how many rooms are affected.
Containment and Removal
Before any mold is disturbed, we seal off the work area with plastic sheeting and run negative air pressure to keep spores from drifting into clean rooms. Then we HEPA vacuum every affected surface and treat the framing with an antimicrobial agent. The goal is to remove the mold, not just bleach the surface and hope it stays gone.
Moisture Source Correction
Mold removal without fixing the moisture source is a temporary patch. In Montrose homes, we regularly find bathroom exhaust fans venting into attics, plumbing leaks inside walls, and slab moisture wicking up through old flooring. Our crews use moisture meters to trace the water back to its source before we consider the job done.
Mold Remediation Services in Montrose
Mold Remediation Services in Montrose go beyond surface removal. This is the full-scope job: stopping the moisture source, containing the affected area, removing damaged materials, drying the structure, and restoring healthy indoor air. Montrose homes with slab-on-grade foundations and no subfloor ventilation often need this level of work when hidden mold has been growing for months. A complete remediation in Montrose typically costs $2,800 to $4,800, with larger jobs involving multiple rooms running higher.
Structural Drying After Mold Removal
Once mold-affected drywall and insulation are removed, the real work is drying the framing and wall cavities. We deploy Phoenix dehumidification units and XPOWER air movers to pull moisture out of studs, sill plates, and subflooring. The moisture meter readings before and after are documented and sent to you by text, so you can see exactly when the structure is actually dry, not just surface-dry.

Air Quality Restoration
High spore counts in the air are a common problem in Montrose homes even after visible mold is gone. We run HEPA air scrubbers during remediation and can retest air quality before we pull containment. If you’re selling a home near La Crescenta or refinancing on the north side of Honolulu Avenue, air clearance documentation often matters to lenders and buyers.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Montrose
We stock and service professional restoration equipment from Phoenix, XPOWER, and B-Air, which means our Montrose crews have the same drying and air-scrubbing technology used on large commercial loss sites. The Montrose homes we work in aren’t getting homeowner-grade equipment from a rental yard. They’re getting commercial dehumidification and HEPA filtration that pulls moisture and spores out of wall cavities fast. For Montrose customers, that means shorter drying times and less disruption while the job is underway.
Common Mold Remediation Problems We See in Montrose Homes
- Bathroom exhaust fans vented into attics. This is one of the most common hidden mold sources in Montrose. Decades of warm, humid air dumping into an unvented attic feeds mold on roof sheathing and top plates that homeowners never see until a home inspection flags it.
- Slab-on-grade moisture wicking through old flooring. Homes along Honolulu Avenue and the surrounding streets often sit directly on concrete slabs with no moisture barrier. Water vapor rises through the slab, gets trapped under vinyl or laminate flooring, and mold grows in the dark between layers.
- Original tile showers with no vapor barrier. Older Montrose homes with original tile work and failing grout let water migrate behind the walls. What looks like a small mold spot on the bathroom wall is often a Category 2 or 3 water problem hiding inside the cavity.
- Surface mold that returns after a homeowner wipes it down. Bleach and elbow grease won’t fix a moisture source. We see it all the time in Montrose: homeowners scrub the mold, paint over it, and six weeks later it’s back because the dehumidification and structural drying were never done.
Pricing for Mold Remediation in Montrose, CA
A straightforward mold removal job in Montrose, limited to a single bathroom or closet, generally runs $1,200 to $2,500. A full remediation involving multiple rooms, containment, structural drying, and air scrubbing typically lands between $2,800 and $4,800. The biggest factors are how far the moisture has traveled through framing and whether drywall and insulation need to be removed and replaced. Montrose’s older housing stock, especially slab-on-grade homes near the foothills, tends to hide more moisture than newer construction, which can push costs toward the higher end. We put the price in writing before any work starts. You’ll get a digital invoice texted to your phone, and the number on the screen is the number you pay. Call (940) 466-4354 for a free estimate.
We Also Serve Cities Near Montrose
Wendell Water Damage Restoration serves Montrose and the surrounding foothill communities, including Verdugo City, La Canada Flintridge, La Crescenta, and Tujunga. If you’re in one of those areas and dealing with mold from a leak, a failed vent, or slab moisture, call us and we’ll send a crew the same day.
Serving Montrose, CA - Our Local Coverage Area
We’re based in the Montrose area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Mold Remediation in Montrose
We can typically dispatch a crew to Montrose the same day you call, often within a few hours. Our scheduling is coordinated from the Los Angeles office, and we keep crews staged for foothill-area response. Call (940) 466-4354 and a live person will give you an arrival time you can track.
Not always. If the drywall is structurally sound and the mold is limited to the surface, it can sometimes be cleaned with HEPA vacuuming and antimicrobial treatment. But if moisture readings show elevated levels inside the wall cavity or the drywall is crumbling, it has to come out. Montrose’s slab-on-grade homes often have hidden moisture behind drywall, so we check before we recommend demolition.
Yes. We’ve worked in multi-unit buildings throughout Montrose where HOA boards require written scopes of work, access scheduling, and documentation of containment and air clearance. We provide all of that in writing before the job starts.
Look for dark discoloration on baseboards, walls, or ceilings; a persistent musty or earthy smell; peeling paint or bubbling drywall; and family members with unexplained allergy symptoms indoors. In Montrose’s older stucco homes, pay especially close attention to walls that face west, where evening canyon winds push damp air against the exterior.
Remediation and reconstruction are separate scopes of work. We remove the mold-affected materials and dry the structure; rebuilding the drywall, insulation, and finishes is a separate rebuild scope. We can coordinate both so you’re not juggling multiple contractors. For an exact quote on your Montrose job, call (940) 466-4354.
If you’re seeing mold or smelling something that won’t go away in your Montrose home, don’t wait. The longer moisture sits in wall cavities and framing, the more the damage spreads and the larger the job becomes. Call Wendell Water Damage Restoration at (940) 466-4354 for a free estimate. We’ll give you a written price, a live arrival time, and before-and-after photos by text. That’s how we’ve done it since 2006.
Written by Blake Sorensen, Owner at Wendell Water Damage Restoration, serving Montrose and the surrounding foothill communities.






Before
After
Before
After
Before
After