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 Highland
Mold in a Highland home rarely announces itself. It starts behind stucco, under flooring, or inside an attic wall cavity, and by the time you smell it, it’s already been growing for days or weeks. We’re Wendell Water Damage Restoration, and we respond to mold calls across Highland the same day, with a live person answering 24/7 and a written price before any work starts. If you’ve got a musty smell, a past leak, or condensation you can’t explain, call (940) 466-4354 and we’ll send a background-checked, uniformed technician with a live arrival time you can track. Not a four-hour window. A time.
Why Wendell Water Damage Restoration Is Highland’s Preferred Mold Remediation Company
Highland homeowners don’t call us because of a jingle. They call because the neighbor two streets over used us, or their insurance adjuster recognized the name. We’ve handled mold jobs on Cloverhill Drive, around Baseline, and up in the East Highlands Ranch area where the monsoon storms do real damage to roof flashing and stucco seams. We know Highland’s homes: lots of slab-on-grade construction, block walls, attic HVAC units that cook in the summer heat. We know where mold hides here, because we’ve opened enough walls to map the pattern.
Every job follows the same rules, no exceptions. The price is in writing before work starts. The guarantee is in writing. If it fails, the second visit is free. Our technicians carry Dri-Eaz and Phoenix equipment, and they work to IICRC, RIA, and IFA standards. When you call (940) 466-4354, a real person answers, not a phone tree, not a queue. That matters at 2 a.m. when a roof leak just opened up.
Mold Removal Service in Highland
Mold Removal Service in Highland means physically getting rid of the colony: cutting out contaminated drywall, treating framing, disposing of insulation, and running antimicrobial treatment on the affected cavity. Highland homeowners typically need this after a roof flashing leak, an AC condensate overflow, or a supply line break that went unnoticed. A small, contained removal job in Highland, meaning one wall section or a closet, usually runs $1,200 to $2,800. A larger job that involves multiple rooms, containment, and pack-out of belongings can hit $5,000 to $12,000. The written price covers the scope, the containment, the treatment, and the drying. Nothing changes at the end.
Containment and source removal
We don’t treat mold we can’t see. In Highland, where mold grows inside wall cavities behind stucco, we set up 6-mil poly containment and negative air pressure so spores don’t migrate into the rest of the house. Then the source is removed: drywall, baseboard, insulation, whatever is holding moisture and supporting the colony. We bag it, seal it, and haul it out under containment.
Antimicrobial treatment and drying
Once the colonized material is out, we treat the framing and surrounding surfaces with an antimicrobial, then dry the cavity. We use Dri-Eaz dehumidifiers and air movers, and we track moisture readings daily. In Highland’s dry climate, drying moves faster than the coast usually, but the monsoon spikes mean we don’t rush the logs. The wall is dry when the readings say it’s dry, not when the schedule says were done.
Mold Remediation Services in Highland
Mold Remediation Services in Highland are the full scope: inspection, moisture mapping, containment, removal, treatment, drying, and verification. Remediation goes beyond pulling out moldy drywall. It’s the process that identifies why the mold started, removes what’s contaminated, treats what can be saved, and leaves you with documentation that drying targets were met. In Highland, remediation jobs commonly land between $3,000 and $18,000 depending on how much of the house is involved and whether attics, crawlspaces, or HVAC systems are implicated. We’ll put the exact number in writing before we touch a tool.
Moisture mapping before demolition
Most Highland mold problems are invisible. That’s why we pin-read walls with moisture meters and map the affected area before cutting anything. We trace the water source: roof flashing, condensate line, a pinhole behind a wall. Demolition is scoped to what’s actually wet and contaminated. We don’t open walls to see what’s there; we know what’s there before we cut.

Verification and documentation
After the drying, we document everything. Moisture readings, photos before and after, the antimicrobial treatment log, the drying chart. You get before-and-after photos by text, and the digital invoice comes to your phone. Your insurance adjuster gets what they need from us directly. The point is proof: the mold is gone, the moisture is gone, and the paperwork shows it.

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 Highland
Highland homeowners run, repair, and maintain their homes with brands they trust, and we respect that. We service HVAC condensate drain issues connected to Carrier, Trane, Rheem, and Goodman attic units, all common across Highland’s newer and older neighborhoods. We also handle moisture problems tied to AO Smith and Rheem water heaters, and whole-house humidifiers from AprilAire and Honeywell. We stock common replacement components locally for faster turnaround so you’re not waiting a week for a part while mold keeps growing. When you call (940) 466-4354, tell us what equipment is involved and we’ll bring what’s needed.
Common Mold Remediation Problems We See in Highland Homes
- Monsoon condensation inside stucco walls. Highland’s summer pattern of 100°F afternoons followed by sudden monsoon humidity spikes creates condensation inside wall cavities. The paint looks dry, but the cavity is humid enough to support mold growth within 48 hours. Homeowners often only notice it when the musty smell comes through electrical outlets.
- Attic HVAC condensate overflows. Attic units in Highland work hard from June through September, and condensate pans overflow when drain lines clog with dust and debris. Water soaks attic sheathing and insulation, and in a 140°F attic, mold colonizes fast. This usually requires containment and insulation removal, not just a pan cleanout.
- Slab-on-grade wicking from supply line leaks. Many older Highland homes are slab-on-grade with copper supply lines under the foundation. When a line leaks, water wicks up through the slab and under flooring and can become Category 3 black water if it sits more than 48 hours. Full flooring removal and antimicrobial treatment are often the only safe options by that point.
- Hidden mold behind tile and under flooring from past water events. We regularly find mold under vinyl plank and behind tub surrounds from leaks that were “fixed” months or years ago without proper drying. In Highland’s dry climate, the surface dries quickly, but moisture trapped under non-breathable flooring stays wet and turns moldy. Moisture mapping catches this before floors come up.
Pricing for Mold Remediation in Highland, CA
Mold remediation in Highland is priced per square foot of affected area plus the scope of containment, removal, and drying required. A small bathroom or closet job runs $1,200 to $2,800. A single room with containment and drying lands between $3,000 and $6,000. A multi-room remediation with attic or crawlspace involvement, pack-out, and HVAC cleaning ranges from $8,000 to $18,000. Smaller spot treatments can run $500 to $1,200. These are Highland market numbers, not national averages. The most significant cost drivers are whether the attic or crawlspace is involved, whether contaminated insulation must be removed, and how much of the home needs containment. Call (940) 466-4354 for a free estimate. We’ll put the number in writing before any work starts, and the number you see is the number you pay.
We Also Serve Cities Near Highland
Our Mold Remediation team covers Highland and the surrounding communities, including Patton, San Bernardino, Bryn Mawr, and Loma Linda. If you’re in one of those areas and dealing with a hidden mold problem, the same written pricing, same 24/7 live answer, and same local dispatch apply. We know the housing stock and weather patterns across this part of the Inland Empire, and we respond quickly because our crews are based locally, not two counties away.
Serving Highland, CA - Our Local Coverage Area
We’re based in the Highland 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 Highland
Mold can start growing within 24 to 48 hours of a roof leak in Highland, especially during the monsoon season when high humidity combines with lingering heat. In Highland’s stucco and block construction, moisture gets trapped inside wall cavities where it doesn’t dry quickly, which accelerates mold growth even if the visible surface looks dry. Call (940) 466-4354 as soon as you suspect a leak; faster response means less removal and a smaller price tag.
Yes, we handle mold remediation throughout Highland, including East Highlands Ranch, the neighborhoods around Baseline, and the foothill communities near the wash. Our crews dispatch from the Inland Empire office, and we track arrival times so you know exactly when someone is coming. Call (940) 466-4354 and tell us your neighborhood; we’ll give you an honest arrival window, not a vague one.
Mold removal is the physical act of cutting out and disposing of contaminated materials. Mold remediation is the full process: finding the moisture source, containing the area, removing what’s contaminated, treating what can be saved, drying the structure, and verifying with moisture readings. In Highland, where mold hides behind finishes and under flooring, you almost always need full remediation, not just surface removal.
In many cases, yes. We use moisture mapping and pinpoint readings to identify exactly which sections of drywall are saturated or contaminated. If the drywall is wet but not moldy and within drying capability, we can often dry it in place using Dri-Eaz dehumidification and air movers. If it’s already moldy or has been wet for more than 48 hours, removal is the honest answer. Call (940) 466-4354 for an assessment; we’ll tell you what’s salvageable and what’s not.
Yes, same-day response is available for most Highland mold calls. Our crews are dispatched from the Inland Empire to Highland daily, so a morning call usually means a technician at your door the same day. Emergency situations, like an active leak feeding a mold problem, get priority. Call (940) 466-4354 and a live person will schedule you immediately, with a tracked arrival time.
Mold in a Highland home is not a wait-and-see problem. The longer it sits, the more it spreads behind walls and under floors. Call Wendell Water Damage Restoration at (940) 466-4354 for a free estimate. A real person answers 24/7, and you’ll get a written price before anything begins. I’m Blake Sorensen, and our team shows up when we say we will.
Written by Blake Sorensen, Owner at Wendell Water Damage Restoration, serving Highland since 2006.






Before
After
Before
After
Before
After