Mold remediation
Water damage drying
Fire & smoke cleanup
Storm response
Sewage cleanup
ReconstructionFree 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.
Get your free estimateFast, Reliable Mold Remediation Across Commerce
Mold remediation in Commerce typically runs $1,800 – $6,500 for a full containment and removal job, with inspections starting around $300 – $600. Most jobs in Commerce are done within 3 – 7 days, depending on how far the moisture has traveled. We serve the entire city, from the residential streets south of Bandini Boulevard to the commercial corridors along Slauson and Eastern Avenue. If you’re seeing staining, smelling something musty, or just worried about a recent leak, call us at (213) 423-6383 and a live person will answer. Not a voicemail. That matters when you’re standing in a wet room at 11 p.m.
Why Dryden Restoration Los Angeles Is Commerce’s Preferred Mold Remediation Company
We’re an independently owned and operated Kingswell company, and we’ve been doing restoration work since 2005. Commerce homeowners and business owners call us because we put our commitments in writing before we ever put a tool to a surface. The Kingswell Way is simple: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails. That’s not marketing language. It’s how Carl Brandt and the team run every single job.
Our technicians are background-checked and uniformed, so when someone arrives at your Commerce property, you know exactly who you let in. We work to IICRC, RIA, and IFA standards, and we use professional-grade equipment like Dri-Eaz dehumidifiers, Phoenix air movers, and Injectidry drying systems. That’s the same gear large commercial restoration crews run, explained to you in plain English on the job. No jargon, no pressure, no price that changes at the door.
We also know Commerce’s buildings. The 1940s – 1960s stucco homes, the concrete tilt-up warehouses, the flat roofs that pond water after a winter rain. That local knowledge changes how we scope a job, because mold hides differently in an old Commerce slab foundation than it does in a newer stucco build in Cerritos. That’s the difference between guessing and knowing.
Restoration work we handle






Professional Mold Removal in Commerce
Professional Mold Removal in Commerce usually starts with containment, then removal of affected drywall, insulation, or flooring, followed by HEPA vacuuming, antimicrobial application, and structural drying. The goal isn’t just to kill surface mold. It’s to find every place moisture collected and remove the material that’s feeding the colony. In Commerce, where many homes sit on raised foundations with original subfloor assemblies, that often means pulling baseboards and checking behind them before we declare anything dry.
Containment and Material Removal
Before any removal happens, we seal off the affected area with 6-mil poly barriers and run negative air pressure. That keeps spores from spreading into your living room or your warehouse’s clean zones. Then we cut out the affected drywall, insulation, or flooring. In Commerce’s older homes, we frequently find mold traveling further behind the wall than surface staining suggests, especially in stucco exteriors where the paper backing traps moisture. We don’t stop at the visible stain.
Drying and Verification
After removal, we run Dri-Eaz and Phoenix equipment with daily moisture mapping. Every affected room gets a written moisture reading log. We don’t sign off until the RH, or relative humidity, in the affected cavities matches the surrounding structure. A typical residential mold removal in Commerce with a single affected bathroom or utility room runs $1,800 – $3,200. Larger, multi-room jobs or commercial spaces land between $4,000 and $6,500.
Mold Inspection in Commerce
Mold Inspection in Commerce means more than a quick visual walkthrough. We run moisture meters across walls and floors, pull air samples when needed, and check the places mold actually starts in this city: under slab leaks from old cast iron drain lines, behind stucco paper backing, and inside flat-roof ceiling cavities. A standard inspection with moisture mapping and a written report runs $300 – $600 in Commerce. If you need lab air sampling, that’s an additional $150 – $400 per sample, and we only recommend it when it actually changes the scope. Sometimes it doesn’t.
Moisture Mapping and Thermal Imaging
We use thermal imaging cameras and penetrating moisture meters to find water you can’t see with the naked eye. In Commerce, that often means scanning the base of walls where old cast iron drain lines run under the slab. Those pipes crack after 60 or 70 years, and the first sign is usually a musty smell, not a puddle. Thermal imaging shows us the temperature difference where moisture is trapped, so we can pinpoint the source without tearing open your floor blindly.
When to Skip the Inspection and Go Straight to Remediation
If you already see visible mold growth larger than about 10 square feet, or if you’ve had a recent leak you know about, an inspection alone usually won’t save you money. You need removal. We’ll tell you that plainly. We don’t sell inspections that aren’t necessary. For Commerce homeowners who just bought a 1950s stucco home and want to know what’s behind the walls before remodeling, an inspection is the right first step.
Trusted Brands We Service in Commerce
We run Dri-Eaz dehumidifiers, Phoenix air movers, and XPOWER air scrubbers on mold jobs throughout Commerce. These are the same machines you’ll find on large commercial restoration crews, and we keep them stocked and ready for local dispatch. We don’t use rental-grade equipment, and we don’t show up with a bucket and a spray bottle. We also align our work to IICRC, RIA, and IFA standards, because having a process that’s recognized by the industry means your Commerce job gets done the same way it would be in a hospital or food processing facility, but explained to you in plain English.
Common Mold Remediation Problems We See in Commerce Homes
- Hidden sewage backups from cracked cast iron. Many Commerce homes built before 1970 still have original cast iron drain lines under the slab. When they crack, Category 3 water, which is the industry term for water containing sewage, seeps into the subfloor and feeds mold without ever making a visible puddle. By the time you smell it, the colony has been growing for weeks.
- Mold trapped in stucco walls. Stucco exteriors from the 1940s – 1960s have paper backing that absorbs moisture and holds it against the framing. Mold grows behind the surface without leaving visible staining on the outside. If a tech skips moisture readings and only looks at the wall, they’ll miss it.
- Flat-roof commercial leaks spreading through HVAC. Commerce has dozens of concrete tilt-up and masonry buildings with flat roofs. After winter rain, ponding water seeps into insulation, and once the HVAC kicks on, spores spread through the entire duct system. This is one of the most common mold complaints we get from Commerce business owners.
- Bathroom exhaust vents that never got installed properly. In 1950s and 1960s Commerce homes, many original bathrooms had windows instead of powered exhaust fans. When homeowners sealed up those windows for air conditioning, the moisture from showers had nowhere to go except into the ceiling cavity. We see this in home after home along Eastern Avenue and south of Bandini.
See the difference
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AfterPricing for Mold Remediation in Commerce, CA
Here’s what you can expect to pay in Commerce for mold work. A visual inspection with moisture mapping runs $300 – $600. A single-room mold removal with containment, material removal, antimicrobial treatment, and drying runs $1,800 – $3,200. A larger multi-room job in a 1,400 – 2,000 square foot home lands between $3,500 and $5,500. Commercial spaces, especially the tilt-up warehouses with flat-roof leaks that run throughout the I-5 corridor, typically run $4,000 – $6,500 and occasionally higher if the affected area includes insulation replacement or duct cleaning. Your written price comes before any work starts. The number does not change at the door. Call (213) 423-6383 for a free estimate and we’ll send someone out to take a look.
We Also Serve Cities Near Commerce
Our mold remediation crews handle Commerce and the surrounding area, including Los Angeles, Van Nuys, Santa Monica, and West Hollywood. If your property sits right on the Commerce border, you still get the same written price, the same 365-Day Done Right Promise, and the same Mold Remediation crew. We coordinate all dispatch from our Los Angeles office, so a live person answers the phone 24/7 no matter which city you’re calling from. For more about the area we cover, see our Mold Remediation in Commerce page.
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
A hidden sewage backup from a cracked cast iron line under a Commerce slab usually shows up first as a persistent musty smell, elevated moisture readings at the base of walls, or slight floor cupping near the drain path. We detect it by running a penetrating moisture meter along the slab edges and baseboards, then confirming with a thermal imaging camera that shows the temperature signature of trapped moisture. If those readings spike in a line that follows where a drain line would run, we know we’re dealing with a Category 3 loss, not a clean water leak. That changes the entire remediation protocol, including containment and antimicrobial treatment. Call (213) 423-6383 if you suspect this in your home, because bleach and air fresheners won’t fix it.
No, with proper containment you can keep most operations running during mold remediation in a Commerce warehouse. We build negative air pressure containment around the affected area using 6-mil poly barriers and XPOWER air scrubbers, so spores don’t cross into your active workspace. For food processing facilities or medical supply buildings, we can schedule removal and drying work around your production hours, including overnight and weekend shifts. What you’ll need is a clear path to the affected zone and a decision on whether the area itself can be offline for 2 – 4 days. We’ll scope that in writing before work starts.
In a 1950s stucco home in Commerce, mold remediation almost always involves opening more of the wall than the visible staining suggests. The stucco paper backing from that era absorbs and holds moisture against the framing, so mold grows behind the surface where you can’t see it. Newer homes with vapor barriers and modern drainage planes dry differently, and in those homes the affected area typically stays closer to the visible stain. In an older Commerce home we also check for original cast iron drain lines under the slab during every mold job, because those are a common secondary source of moisture that newer homes rarely have.
Yes, we can remediate mold in a Commerce food processing plant while production continues in other areas. The key is full containment around the affected zone with negative air pressure, sealed duct returns so spores can’t enter your HVAC, and scheduled equipment movement that avoids your active production hours. We’ve worked in food facilities along the I-5 corridor and understand the documentation and chain-of-custody requirements that food safety auditors expect. We also run final air clearance sampling after every commercial mold job, so you have a written record that the air is clean before you reopen the affected area to production staff.
Most flat-roof mold remediation jobs in Commerce take 5 – 10 business days from the first cut to final air clearance. A smaller isolated ceiling cavity where the ponding water stayed contained can be done in 3 – 5 days. A larger job where the leak traveled through insulation and into ductwork runs longer, often 7 – 14 days including insulation replacement and coil cleaning. The variable is always how far the moisture moved before anyone noticed. That’s why we recommend an inspection within 48 hours of any flat-roof leak in Commerce, especially after winter rain. Early detection means a smaller containment zone, less material removal, and a faster return to normal operations. Call (213) 423-6383 to schedule an assessment.
What Makes Mold Remediation in Commerce Different From Other Cities
Commerce’s building stock is different from the surrounding cities, and that changes how we approach mold. Many of the city’s older commercial buildings, especially the concrete tilt-up warehouses and masonry structures along Slauson and the I-5 corridor, still have original cast iron drain lines under their concrete slabs. Those pipes crack after decades, causing hidden Category 3 water backups that saturate the subsoil and feed mold colonies under floors and behind walls. You rarely see this in Cerritos or Downey because the building stock is newer. A restoration firm that only handles residential water damage won’t know to look for it. We do, because we’ve seen it repeated dozens of times in Commerce.
This is also a city where mold problems cross the boundary between residential and commercial work. A single plumbing leak in a Commerce home on Eastern Avenue can behave very differently than the same leak in a Van Nuys apartment or a Santa Monica condo, because the slab, the stucco, and the drainage all age differently. Add in the flat roofs that pond water every winter and the HVAC systems that spread spores through commercial ductwork, and you have a mold profile that’s genuinely local. A generic mold page won’t tell you that. We will.
Call Dryden Restoration Los Angeles for Mold Remediation in Commerce
If you’ve got a mold problem in Commerce, or if you suspect one because of a smell, a leak, or a recent water event, call us at (213) 423-6383. A live person answers every call, 24 hours a day, 7 days a week. We’ll talk through what you’re seeing, schedule an inspection, and get a crew to your Commerce property fast. You’ll get a written price before any work begins, a named arrival window, and a 365-Day Done Right Promise that says if the repair fails within a year, we come back and fix it at no charge. That’s the Kingswell Way, and it’s how Carl Brandt and the Dryden team have worked since 2005.
Written by Carl Brandt, Owner at Dryden Restoration Los Angeles, serving Commerce and the surrounding area.