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.
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AfterHow Much Does Mold Remediation Cost in Los Angeles?
Mold Remediation in Los Angeles typically costs between $1,500 and $6,000 for residential jobs, with most homeowners paying around $2,800 for a standard basement or bathroom project. Small, contained areas under 10 square feet may run $500 – $1,200, while whole-house remediation after major water damage can exceed $10,000. We put every price in writing before starting work, so you’ll know exactly where you stand before we set up containment.
Mold Remediation Cost Breakdown (2026)
Here’s what Los Angeles homeowners are actually paying in 2026, based on job size and complexity. These ranges reflect real quotes we’ve written for homes from Silver Lake to the San Fernando Valley.
| Job Type | Typical Square Footage | Price Range |
|---|---|---|
| Small spot treatment (bathroom ceiling, under sink) | Under 25 sq ft | $500 – $1,500 |
| Moderate remediation (single room, attic, crawl space) | 25 – 100 sq ft | $1,500 – $3,500 |
| Large remediation (basement, multiple rooms) | 100 – 300 sq ft | $3,500 – $7,500 |
| Whole-house remediation (post-flooding, HVAC contamination) | 300+ sq ft | $7,500 – $15,000+ |
| Air quality testing and lab analysis | Per test | $300 – $600 |
| Containment barrier setup (plastic sheeting, negative air) | Per job | $400 – $900 |
| HVAC duct cleaning and sanitizing | Per system | $800 – $2,000 |
| Post-remediation clearance testing | Per job | $400 – $800 |
What pushes a Los Angeles job toward the high end? Attic work in older Pasadena or Highland Park bungalows with blown-in insulation that must be removed and replaced. Crawl spaces in hillside homes from Los Feliz to the Hollywood Hills where access is tight and vapor barriers have failed. And any job where the mold has colonized HVAC ductwork, which requires mechanical cleaning and often means running our Phoenix and Dri-Eaz air scrubbers for multiple days to achieve clearance.
What keeps costs down? Catching it early. A homeowner in Echo Park who spots a musty smell and calls before the colony spreads past a single drywall section saves thousands compared to the Santa Monica condo owner who waits until visible mold covers an entire bedroom wall.
What Affects Mold Remediation Pricing in Los Angeles
- Location of the mold. Attics and crawl spaces in Los Angeles cost more because of heat, limited access, and the need for full PPE in confined areas. A second-story bathroom with an exhaust fan failure is simpler.
- Type of surface affected. Non-porous materials like tile or metal can be cleaned and sealed. Porous materials, drywall, insulation, and carpet must be removed and replaced. That replacement adds material and labor costs.
- Extent of water damage. Mold is a symptom. If the underlying leak is still active, we fix the source first. A failed shower pan in a Mid-Century home near the 10 Freeway or a slab leak in a Torrance ranch adds plumbing repair to the scope.
- Local permit and disposal requirements. Los Angeles County and incorporated cities have specific protocols for moldy debris disposal. Some jurisdictions require documentation for loads exceeding certain weights. We handle this paperwork as part of every job.
- Whether the HVAC system is involved. When spores have entered ductwork, remediation expands significantly. We use Injectidry systems and negative air machines to isolate and clean ducts, then run post-remediation air samples.
- Clearance testing requirements. Many Los Angeles insurers and property managers now require third-party clearance before sign-off. We build this into our written scope when needed, so there are no surprises.
How to Save on Mold Remediation
We’re not going to tell you to hire the cheapest crew in Los Angeles. A cut-rate remediator who skips containment or fails to address the moisture source will cost you double when the mold returns. Here’s how to control costs without cutting corners:
- Call at the first sign. A discolored ceiling tile or persistent musty smell in a Venice bungalow is a $1,200 fix today. In six months, it’s a $5,000 gut job.
- Fix the water source before we arrive. If you’ve already had a plumber stop the leak, we can focus on remediation, not investigation. That saves labor hours.
- Clear the work area. Move furniture, pull stored items from closets. Less time on prep means less time on the clock.
- Use your insurance wisely. Most Los Angeles homeowners policies cover mold remediation when it’s caused by a covered peril, like a burst pipe. We document every job to IICRC standards and format the scope of loss to support your claim.
- Get our written estimate and compare it properly. Some contractors quote low and add charges for containment, disposal, or post-testing. Our price includes everything needed to do the job to The Garrison Standard. Ask others if their quote includes clearance testing and written guarantee.
We offer free estimates throughout Los Angeles. Call (361) 317-7269 and we’ll schedule a time that works, show up inside that window, and put the full price in writing before any equipment enters your home.
FAQs – Mold Remediation Cost
Is mold remediation covered by insurance in Los Angeles?
Most homeowners insurance policies cover mold remediation when the mold results from a covered peril, such as a sudden pipe burst or appliance failure. Slow leaks caused by deferred maintenance are typically excluded. We document every job with photos, moisture readings, and a detailed scope of loss formatted for your adjuster. Call (361) 317-7269 and we’ll review your situation, no charge.
How much does black mold remediation cost compared to other types?
Stachybotrys, often called black mold, costs the same to remediate as other species, $1,500 – $6,000 for most Los Angeles homes. The price depends on square footage and location, not color. What matters is the extent of colonization and whether spores have spread to HVAC systems or behind walls. We identify the species through lab analysis and build the appropriate containment and remediation protocol into your written estimate.
Can I just paint over mold to save money?
No. Paint seals moisture against the surface and feeds the colony underneath. Within months, it bleeds through again, often worse, and you’ve added the cost of paint and labor to the eventual remediation bill. Proper remediation requires source removal, antimicrobial treatment, and moisture control. We warranty our work for 365 days because we do it by the book, not with shortcuts.
Why do some Los Angeles contractors charge so much less?
Low quotes usually mean skipped steps: no containment barriers, no negative air pressure, no post-remediation testing, or uninsured day labor instead of background-checked, uniformed technicians. In Los Angeles, we’ve been called to redo jobs where the “cheap” remediator missed mold inside wall cavities or failed to fix the bathroom exhaust fan that caused the problem. The 365-Day Done Right Promise means we fix it once, correctly, with documentation. Call (361) 317-7269 for an upfront written price you can compare line by line.
How long does mold remediation take?
Small jobs finish in one to two days. Moderate residential remediation in Los Angeles typically takes three to five days, including setup, removal, cleaning, drying with professional-grade equipment, and clearance testing. Large or HVAC-involved jobs may run seven to ten days. We give you a written timeline with your written price, and we don’t leave the site until the post-remediation air sample passes.
Does Keegan offer a guarantee on mold remediation?
Every repair we complete is backed by the 365-Day Done Right Promise. If the remediated area fails within one year, we return and make it right at no charge. This is The Garrison Standard, and it’s been our written policy since 2005. No contractor who skips steps or uses untrained labor can afford to offer this. We can because we do it by the book every time.
Get Your Written Estimate in Los Angeles
Mold doesn’t wait, and neither should you. A live person answers our phones 24 hours a day, 7 days a week, including nights, weekends, and holidays. We’ll send background-checked, uniformed technicians who arrive inside the scheduled window, assess your situation with moisture meters and thermal imaging, and put the complete price in writing before any work begins.
We run every job to The Garrison Standard: written price, professional-grade Dri-Eaz, Phoenix, and Injectidry equipment operated to IICRC protocols, full documentation for your insurance claim, and the 365-Day Done Right Promise in writing. That’s how we’ve operated since 2005.
Call (361) 317-7269 for your free estimate on mold remediation in Los Angeles. We’ll give you the real numbers, explain every step in plain language, and leave the site clean.
Written by Shane Pruitt, Owner at Keegan Water Damage Restoration, serving Los Angeles since 2005.
Pricing reflects the Los Angeles market as of 2026. Keegan Water Damage Restoration offers free estimates – call (361) 317-7269.
What Our Customers Say
"Quiet, focused crew. Everyone had a job and they did it."
- Alice M."Documented everything with photos for my insurance. No arguments from the adjuster."
- Carmen R."They pulled the wet drywall to two feet up and dried the studs. Replaced it clean and painted to match."
- Tom E.