Service area · All of Los Angeles County
Areas We Serve: Mold Inspection & Remediation Across LA County
We serve all of Los Angeles County, from Malibu to Long Beach and from the Santa Clarita Valley to the South Bay, with 24/7 emergency response. Mold looks different in each part of LA because the climate and the buildings differ, so we start every job by finding the local moisture source.
- Emergency24/7 response
- CoverageAll of Los Angeles County
- PricingWritten quote before work
- StandardANSI/IICRC S520
- Call(213) 659-0672
10 service zones
Do you serve my neighborhood?
Almost certainly. We cover the City of LA, unincorporated County communities and the independent cities in between, grouped into 10 zones by mold problem, housing stock and complaint agency.
Westside & Beach Cities
Santa Monica, Venice, Mar Vista, Playa del Rey, Marina del Rey, Culver CityThe marine layer keeps morning air close to saturation for weeks at a time, especially in May Gray and June Gloom. Moisture condenses on cold aluminum window frames, inside closets on exterior walls and in condo bathrooms with weak exhaust fans.
Fits: bathroom and window-frame mold, air testing for musty closetsHollywood Hills & Canyons
Laurel Canyon, Hollywood Hills, Los Feliz, Silver Lake, Echo Park, Mount Washington, TopangaHillside homes sit on raised foundations, and rain runs downhill into the crawl space or soaks the back of retaining walls. Shaded lots rarely dry out between storms. Owners often find it during a seismic retrofit.
Fits: crawl space inspection, mold inside walls, drainage tracingSan Fernando Valley
Sherman Oaks, Studio City, Van Nuys, North Hollywood, Encino, Reseda, NorthridgeThe Valley is dry outside, so the water comes from inside. Air conditioners run for months, condensate lines clog and drain pans overflow into attics and ceilings. Ducts in hot attics sweat. In 1950s ranch homes on slabs, aging supply lines fail and soak flooring from below.
Fits: HVAC and duct mold, attic mold, slab-leak water damageCentral LA & Koreatown
Koreatown, Westlake, Hollywood, Mid-City, Mid-WilshireMany buildings here are pre-1940 rent-stabilized apartments with original plumbing, no bathroom exhaust fan and windows painted shut. A leak in the unit above can feed mold behind your wall for months.
Fits: apartment testing for documentation, multifamily remediationPasadena, Altadena & Foothills
Pasadena, Altadena, Eagle Rock, Glendale, Burbank, La Cañada FlintridgeOlder Craftsman homes have crawl spaces that collect foothill runoff. After the Eaton fire, many surviving houses took on firefighting water, then sat closed for months with broken windows. Mold in those homes is a water and vacancy problem, separate from smoke and ash.
Fits: post-fire moisture and mold assessment, crawl spacesEastside & South LA
Boyle Heights, East LA, South LA, Baldwin Hills, DowneyMuch of the housing predates 1978, so the drywall, joint compound or popcorn ceiling with mold on it may also contain asbestos or lead paint. The area also splits between city and County jurisdiction, which matters for renters.
Fits: mold and asbestos testing before demolition, apartment testingSouth Bay & Harbor
Torrance, Redondo Beach, Manhattan Beach, San Pedro, Palos VerdesOcean humidity reaches farther inland here than people expect. Townhomes and condos share walls and plumbing stacks, so one neighbor’s slow leak can show up as a stain in your closet.
Fits: air quality testing, bathroom mold, shared-wall leak tracingLong Beach
Long Beach, including Belmont Shore, Downtown and North Long BeachLong Beach combines coastal moisture with a large stock of older courtyard and multifamily apartments. It also runs its own health department and code enforcement, so the County is not who renters call.
Fits: apartment testing, multifamily remediation, clearance testingMalibu & Pacific Palisades
Malibu, Pacific PalisadesAfter the Palisades fire, homes that survived often had soaked interiors, open roofs or months without ventilation, on top of coastal fog. Insurers and owners often disagree about testing scope. Clear, independent lab documentation is what moves those claims.
Fits: post-fire mold assessment, independent clearance testingSanta Clarita Valley
Canyon Country, Newhall, Valencia, SaugusHot summers bring AC condensate problems, but large apartment complexes are the bigger story: County health inspectors looked into tenant mold complaints at local complexes in 2026, including reports of mold being painted over.
Fits: apartment testing, renter guidance, HVAC moisture checksNot listed? We still cover it. Call (213) 659-0672 and tell us your city.
Microclimates
Why does mold differ across Los Angeles?
Mold needs moisture, and LA delivers moisture in very different ways depending on where you live. The coast gets fog, the Valley gets heat and air conditioning, the hills get runoff, and fire areas got firefighting water. A coastal bathroom and a Valley attic need different plans.
| Moisture driver | What it does indoors | Where it’s worst |
|---|---|---|
| Marine layer | High humidity and condensation on windows, closets, bathrooms and garages | Westside, beach cities, Palos Verdes, Malibu |
| Valley heat | AC condensate overflow, sweating ducts, attic moisture | San Fernando and Santa Clarita valleys |
| Canyons and slopes | Runoff into crawl spaces, retaining wall seepage, shaded lots that stay damp | Hollywood Hills, Silver Lake, Mount Washington, Topanga, Eagle Rock |
| Older buildings | Failing plumbing, no exhaust fans, leaks between units | Koreatown, Westlake, Boyle Heights, South LA, Long Beach |
| Fire aftermath | Firefighting water, open roofs, months of vacancy | Pacific Palisades, Altadena, Malibu |
| Winter storms | Roof, window and drainage failures all at once | Countywide, November to March |
Most of LA’s roughly 14 inches of yearly rain falls in a handful of winter storms, and forecasters favor a very strong El Niño this winter. Mold calls tend to follow storms by two to six weeks. If a storm put water in your home, our water damage and mold guide covers the first 48 hours.
City vs County
Who do I call about mold in my city?
It depends on which government covers your address, not your mailing city. Renters in the City of LA call the LA Housing Department. Unincorporated areas and many smaller cities use LA County Public Health. Long Beach and Pasadena run their own health departments, and Glendale and Torrance handle housing complaints through city code enforcement.
| If your home is in… | Who handles mold complaints |
|---|---|
| City of LA (incl. Hollywood, Koreatown, Venice, San Pedro, Pacific Palisades, most of the Valley) | LA Housing Department, Code & Rent Helpline: (866) 557-7368 |
| Unincorporated areas (incl. Altadena, East LA, Topanga) and cities that use County inspectors | LA County Public Health, Environmental Health: (888) 700-9995 |
| Long Beach, Pasadena, Santa Monica, Glendale, Torrance | Your city’s own code enforcement or health department |
These inspections are free, and you don’t need our test to file a complaint. Paid lab testing helps when mold is hidden or you need documentation for a dispute. For every city’s number and the next steps, see who to call about mold in your LA city and our renter’s guide to apartment mold.
24/7 coverage
What do you offer in every part of LA County?
The same process everywhere, adjusted for the local moisture story, with 24/7 emergency response for leaks and storm water.
- Inspection first. Moisture mapping, thermal imaging and a visual check to find the source. See how our mold inspections work.
- Accredited lab testing when it helps. Air samples with an outdoor control, or surface samples. Details on air quality and spore testing.
- Remediation to IICRC S520. Containment, HEPA filtration, removal of damaged materials and the moisture fix. See our remediation process.
- A written quote before any work, and independent clearance testing recommended at the end.
Price depends on size, access and materials, not zip code. Typical Los Angeles ranges are on our mold remediation cost guide, and your written quote depends on the job.
FAQ
Service area questions
Do you serve my city?
If it’s in Los Angeles County, yes. That includes the City of LA, unincorporated areas like Altadena and East LA, and independent cities such as Long Beach, Pasadena, Santa Monica, Glendale, Burbank, Torrance and Santa Clarita.
Do you charge more for the hills, the beach or the Valley?
Not because of location. Cost depends on the size of the affected area, access (crawl spaces and attics take more work) and which materials need to come out. You get a written quote before any work starts.
Do you offer 24/7 emergency service everywhere in LA County?
Yes. For active leaks, storm water or flooding, call (213) 659-0672 any time, day or night, from anywhere in the county.
Who do I call about mold in my apartment?
In the City of LA, the LA Housing Department’s Code & Rent Helpline at (866) 557-7368. In unincorporated areas and County-served cities, LA County Public Health at (888) 700-9995. Long Beach, Pasadena, Santa Monica, Glendale and Torrance handle complaints through their own city offices.
Why does mold keep coming back in my beach-area home?
Usually because the marine layer keeps indoor humidity high and cleaning doesn’t change that. Better ventilation, a dehumidifier and fixing cold spots on windows and exterior walls matter more than stronger cleaners.
Can you help with mold in a home damaged by the Eaton or Palisades fires?
Yes. We assess moisture and mold from firefighting water and vacancy. Smoke, ash, lead and asbestos are separate issues that may need an industrial hygienist, and we’ll tell you when that applies.
How fast can you get to me?
Emergencies get a 24/7 response. For routine inspections, call and we’ll give you the next available time for your part of the county.
Sources
- US EPA, mold guidance: epa.gov/mold
- CDC, mold and health: cdc.gov/mold
- LA Housing Department code enforcement: housing.lacity.gov
- LA County Department of Public Health, Environmental Health: publichealth.lacounty.gov
- IICRC S520, Standard for Professional Mold Remediation; NOAA El Niño outlook (October 2026)
Last updated October 2026. Agency phone numbers change; confirm with the agency before relying on them.
Wherever you are in LA County, start with one call
Call (213) 659-0672. Tell us your city and what you’re seeing, and we’ll tell you honestly whether you need an inspection, a cleanup or nothing at all.
Serving Los Angeles County · Open 24/7 · (213) 659-0672