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 Commerce
Mold remediation in Commerce typically costs $1,800 – $6,500 depending on how far the growth has spread and what got wet. We get it: you found a dark patch behind a bathroom vanity or caught a musty smell near the garage, and you want someone out now. Wendell Water Damage Restoration serves Commerce with same-day dispatch for active mold problems, and you’ll always get a written price before a single tool touches your wall. Call (940) 466-4354 and a live person answers, 24/7.
Commerce isn’t like the rest of Southeast LA. The industrial parks along Washington Boulevard, the aging tilt-up warehouses near the 5 freeway, and the postwar homes by Rosewood Park each breed mold differently. We’ve mapped moisture in all of them. That local know-how means we arrive already familiar with what’s behind the drywall in your building type.
Why Wendell Water Damage Restoration Is Commerce’s Preferred Mold Remediation Company
Mold work in Commerce comes down to speed and honesty. The longer spores sit in a humid wall cavity, the wider the containment zone gets. Our crews dispatch locally from the Los Angeles metro, and we’re typically on-site in Commerce within 60 to 90 minutes for active growth. You get a live arrival time you can track, not a four-hour window.
Our technicians run moisture mapping before touching anything. That means a thermal-imaging scan and a moisture meter reading across every suspect surface. In Commerce’s older residential blocks, we regularly find elevated readings in exterior closet walls where nobody thought to look. The written scope you get reflects what the mapping shows, not a guess. If something looks like surface staining but the framing behind it is saturated, you’ll see that in the drying logs before we recommend remediation.
Every job in Commerce includes our 365-Day Done Right Promise: if it’s not done right, we make it right, stated in writing on every single repair. And if a repair fails, you get a free second visit. Those aren’t marketing lines; they’re in the contract.
Mold Removal Specialist in Commerce
The Mold Removal Specialist work we do in Commerce starts with figuring out where the moisture came from, because removing mold without fixing the source means it just comes back. In the residential pockets around Rosewood Park and south of Bandini Boulevard, we often trace it to exterior walls with no ventilation, a slow pinhole leak in a copper line, or bathroom exhaust fans that vent into the attic instead of outside. In the commercial corridors near Telegraph Road and Garfield Avenue, the source is usually a roof penetration, a sprinkler line, or a condensate drain that’s been weeping behind racking for weeks.
Once we isolate the moisture source and set up containment, we remove the affected drywall, insulation, and any porous material that can’t be salvaged, then treat the framing with an antimicrobial solution and dry the cavity with professional equipment from Dri-Eaz and Phoenix. You get before-and-after photos by text, so you can see exactly what came out and what the wall looks like after.
A straightforward bathroom or closet remediation in Commerce typically runs $1,800 – $3,200. If the growth spans multiple rooms or a crawl space is involved, you’re looking at $4,000 – $6,500. We put that range in writing before any work starts.
Commercial Mold Removal
Tilt-up concrete buildings along the industrial corridors of Commerce hide moisture behind wall panels and under rubberized flooring. We pull baseboards and test cavities with a penetrating moisture meter before concluding anything is “dry.” If the reading is above 20% in the framing, mold is either present or on its way, and we treat accordingly.
Post-Water-Damage Mold Prevention
If you’ve already had a leak in Commerce and the drywall was dried but never treated, you may have dormant spores waiting for the next humidity spike. We apply antimicrobial treatment after every dry-out phase before closing walls. That step gets skipped by contractors who don’t understand how southeast LA’s summer humidity feeds regrowth.
Black Mold Removal in Commerce
Black Mold Removal in Commerce is the call we get when a tenant or homeowner sees dark, slimy patches on drywall, baseboards, or ceiling tiles and rightfully wants it handled carefully. The species most people mean when they say “black mold” is Stachybotrys chartarum, and it grows where cellulose-heavy materials (drywall paper, ceiling tile, wood studs) stay wet for days or weeks. In Commerce, that happens most often in the flat-roofed commercial buildings along Slauson Avenue and Eastern Avenue, where a roof leak soaks the insulation above a ceiling tile and nobody notices until the tile sags.
We set up a negative-pressure containment zone with a HEPA air scrubber running inside, remove the affected material in sealed bags through the containment, and then treat exposed surfaces with antimicrobial before drying the area to IICRC standards. The work includes post-remediation air sampling if you want verification, and you’ll see the lab results yourself.
Black mold removal in Commerce runs $2,500 – $6,500 for a typical room-level contamination. A small patch confined to one closet might land around $1,800. Every price is written down before we start, and the number on the screen is the number you pay.
Containment and Air Filtration
We run a HEPA-filtered negative air machine the entire time we’re removing contaminated material. That keeps spores from drifting into the rest of your Commerce home or workspace. The containment zone stays sealed until the air scrubber has pulled the spore count down to an acceptable level on our particle counter.
When To Replace Instead of Remediate
Not everything is worth saving. If Commerce’s humid summers have been feeding mold in a wall cavity for months, the framing itself can become too compromised to clean. Our moisture mapping tells us when a stud is structurally sound or when it’s crumbled enough to replace. You’ll get that recommendation in writing, with photos, so you aren’t making a blind decision.
Trusted Brands We Service in Commerce
Our equipment list is built around brands that hold up on commercial loss sites: Dri-Eaz for desiccant and refrigerant dehumidifiers, Phoenix for high-capacity air movers, and XPOWER for axial fans that move a lot of air quietly. We stock replacement filters, HEPA cartridges, and moisture-meter probes for fast turnaround on Commerce jobs, which means we don’t lose a day waiting on parts when a crawl space under a Cedar Street home needs full containment. If you’ve had a previous restoration company through any building we serve in Commerce, we’ll work cleanly around whatever equipment or access setup remains.
Common Mold Remediation Problems We See in Commerce Homes
- Tilt-up warehouse wall cavities. The concrete exterior looks dry, but the drywall furring strips behind it are saturated. We find this along the industrial blocks off Olympic Boulevard and on the warehouse row south of the 5. Skip the moisture meter and you’re leaving mold in the walls.
- Attached garages with zero airflow. The postwar tracts in Commerce’s residential pockets, especially around Rosewood Park, built garages with no ventilation. Closet walls shared with the garage run above 60% RH all spring, which is why mold regrows after half-done remediation jobs.
- Roof leaks over office drop-ceilings. Property managers along the Citadel Outlets corridor call us after a ceiling tile finally stains, but the insulation above the tile has been wet for weeks. By then the contamination is already spreading across the ceiling grid.
- Shallow bathrooms in older homes. Tight floor plans in Commerce’s 1940s and 1950s homes mean the bathroom sits next to a bedroom closet. Mold migrates through the shared wall cavity and shows up on the bedroom side first, which confuses a lot of homeowners who think the problem is the bedroom, not the plumbing behind the shower valve.
Pricing for Mold Remediation in Commerce, CA
| Service | Typical Price Range in Commerce |
|---|---|
| Mold Inspection & Testing | $350 – $750 |
| Mold Remediation (single room) | $1,800 – $3,200 |
| Black Mold Removal | $2,500 – $6,500 |
| Crawl Space Treatment | $1,200 – $3,500 |
| Air Quality Restoration | $800 – $2,400 |
| Moisture & Humidity Control | $600 – $1,800 |
What moves the price in Commerce? Square footage of contaminated material, how many rooms need containment, whether a crawl space or attic is involved, and whether the framing is salvageable. A small exterior closet can be done in one day for under $2,000. A warehouse office wall with 40 linear feet of saturated drywall and insulation runs closer to $5,000. Call (940) 466-4354 for a written estimate, free.
We Also Serve Cities Near Commerce
Our Mold Remediation team works throughout the surrounding metro, including Los Angeles, San Diego, San Jose, and San Francisco. If you manage properties in Commerce and surrounding areas, we can coordinate multi-site assessments so one call covers everything. See our Mold Remediation in Commerce page for local specific details.
Serving Commerce, CA - Our Local Coverage Area
We’re based in the Commerce 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 Commerce
Mold can begin growing within 24 – 48 hours of a water leak in a Commerce building, faster in the summer when interior humidity sits above 60%. If a sprinkler line or roof penetration leaks in a non-climate-controlled warehouse here, colonization often starts in under two days. Call (940) 466-4354 as soon as you find water; the sooner we start drying, the less remediation you’ll need.
Yes, we offer same-day dispatch for active mold problems in Commerce, with crews typically on-site within 60 – 90 minutes. For major contamination that needs full containment, we’ll often do the initial assessment same day and start remediation the following morning. Call (940) 466-4354 and a live person will tell you the soonest available slot.
Category 1 water is clean (a supply line or faucet). Category 2 has some contamination (like a sump pump overflow). Category 3 is unsanitary, carrying sewage or outside floodwater. In Commerce’s commercial buildings, Category 3 calls usually come from sewer backups near floor drains in older warehouse slabs. The category changes the remediation scope, because porous materials touched by Category 3 water must be removed, not just dried. We’ll classify the water source in your written scope before work starts.
In most cases, yes. We set up contained work zones with negative air pressure so surrounding areas stay operational. That matters for Commerce’s retail and warehouse spaces on Washington Boulevard and around the Citadel Outlets, where closing for a day means real revenue loss. If your building’s layout allows isolation of the affected area, we can work around your operating hours.
Look for musty odor that doesn’t clear, discolored patches on drywall or baseboards, peeling paint in corners, and condensation on windows in the morning. In Commerce’s older homes, check exterior closet walls and the shared wall between the garage and living space, those are the two most common hidden-growth spots we find. Call (940) 466-4354 for an inspection if you see or smell anything suspicious.
Written by Blake Sorensen, owner at Wendell Water Damage Restoration, serving Commerce since our founding in 2006.






Before
After
Before
After
Before
After