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 San Pedro
Mold remediation in San Pedro typically costs $1,800 – $6,500 depending on the square footage affected, whether containment is required, and how far the moisture has traveled through lath-and-plaster cavities. Most jobs in San Pedro take three to seven days from initial assessment to final clearance testing. We answer the phone 24/7 at (424) 323-4271, and we can have a technician at your door in San Pedro the same day you call.
San Pedro’s older housing stock, steep hillsides, and persistent marine layer create a specific kind of mold problem. Water doesn’t just sit on the surface here. It gets pulled into raised foundations, trapped behind stucco, and held in unventilated wall cavities for weeks after the visible damage dries. Our crews know which streets near Western Avenue, Gaffey Street, and the Holy Trinity area tend to hold moisture longest after a winter storm, because we’ve been working those hillsides for years. When you call, you get a live person, a written price before any work starts, and a one-year guarantee in writing.
Why Keegan Restoration Torrance Is San Pedro’s Preferred Mold Remediation Company
San Pedro homeowners call us because we put the scope of work in writing before anyone touches a wall. Shane Pruitt runs our crews to a single standard on every job: show up inside the window, explain what you’re doing in plain language, document everything, and leave the site clean. That’s the Mold Remediation process we’ve run for years, and it’s why a large share of our San Pedro work comes from neighbors referring neighbors.
We’re part of the Garrison Partners family, an independently owned and operated location that has held to the same written guarantee since 2005. Our technicians are background-checked, uniformed, and trained to handle the specific challenges of 1920s – 1950s San Pedro construction: lath-and-plaster walls that hide moisture, raised foundations that wick humidity, and stucco exteriors that trap condensation behind the surface. When you call, you reach a person, not a phone tree. That matters at 2 a.m. when a hillside drain fails and water is moving through your crawl space.
Every San Pedro job gets the full documentation package: moisture readings, photo records, scope of loss, and drying logs formatted to support your insurance claim. If your adjuster needs a call, we coordinate directly. You don’t have to translate restoration work into insurance language on your own.
Restoration work we handle






Mold Remediation Services in San Pedro
Mold Remediation Services in San Pedro start with finding the moisture source, not just killing the mold you can see. In a 1930s Spanish Revival on a hillside above Gaffey Street, that’s almost never a simple leak. It’s a gutter overflowing into a failed hillside drain, pushing runoff into a raised foundation and climbing through lath-and-plaster cavities. We map the moisture, contain the affected area, remove the damaged material, treat the cavity, and dry the structure to pre-loss condition. A typical single-room mold remediation in San Pedro runs $1,800 – $3,400. A crawl space or full-basement job with containment typically lands between $3,500 and $6,500.
Containment and Air Filtration
We set physical containment barriers and run negative air pressure with HEPA filtration on every San Pedro mold job where spores could spread. In older coastal apartments with poor ventilation, skipping this step blows mold spores into neighboring units and unventilated wall cavities. We don’t skip it. Not on a hillside home in Vista del Oro, not on a downtown San Pedro unit built in 1948.

Structural Drying and Cavity Treatment
Mold doesn’t die when the surface dries. In San Pedro’s marine layer climate, the cavity behind the plaster can hold moisture for weeks during the spring “gray May” fog. We run professional-grade dehumidifiers and air movers, monitoring moisture levels daily until the structure reaches a documented dry standard. Then we treat the cavity with antimicrobial agents and verify the result with moisture meters before any reconstruction begins.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Professional Mold Removal in San Pedro
Professional Mold Removal in San Pedro is not a bleach-and-paint job. It’s a controlled removal process built around containment, humidity control, and verification. We physically remove mold-damaged drywall, lath, insulation, or carpeting, bag it for proper disposal, and clean the remaining surfaces. A bathroom or closet mold removal in San Pedro generally runs $900 – $2,200. A kitchen or living space where mold has spread behind cabinets or through wall cavities typically costs $2,500 – $5,000 depending on how much material must come out.
Crawl Space Mold Treatment
San Pedro’s raised foundations are a double-edged sword. They allow access for inspection, but they also sit inches above damp soil in a fog-heavy coastal climate. We treat crawl space mold with a combination of moisture control, antimicrobial application, and mechanical drying. If the moisture source is a drainage problem on the hillside above the foundation, we document it and recommend the fix before any treatment, because treating mold without stopping the water is a waste of your money.
Black Mold and Category 3 Water Response
When hillside runoff from overflowing drains enters a San Pedro crawl space, it’s not clean water. It’s Category 3: contaminated with soil, drain contents, and whatever the storm carried down the slope. Black mold that follows Category 3 water requires full containment, removal of affected porous materials, and documented clearance. We handle this with the same written scope and guarantee as every other job, and we document all of it for your insurance claim.
Trusted Brands We Service in San Pedro
We run professional-grade drying and extraction equipment from Dri-Eaz, XPOWER, B-Air, and Injectidry, and our technicians work to IICRC, RIA, and IFA industry standards. These are the same brands used in commercial restoration work, and we keep them ready on our trucks because San Pedro’s marine layer means drying cannot be rushed. We don’t rent homeowner-grade fans from a hardware store and call it remediation. The equipment pulls moisture from lath-and-plaster walls and raised foundations that would otherwise hold it for weeks.
See the difference
Before
After
Before
After
Before
AfterCommon Mold Remediation Problems We See in San Pedro Homes
- Hidden mold in lath-and-plaster walls after “gray May” fog: San Pedro’s spring fog keeps exterior walls damp long after the rain stops. In homes built between the 1920s and 1950s, the plaster-and-lath assembly wicks that moisture into unventilated cavities where mold grows unseen. By the time you see staining on the plaster, the cavity behind it is usually well past surface-stage growth.
- Hillside drain failure pushing contaminated water into raised foundations: On steep streets in the Holy Trinity and Vista del Oro areas, overflowing gutters and failed drains send storm runoff directly under the house. That runoff carries soil and drain contaminants into the crawl space, and the moisture climbs into wall cavities from below. Mold then appears at the baseboards first, not the ceiling.
- Stucco exteriors trapping condensation behind the surface: Older San Pedro stucco homes look solid from the outside. But stucco holds moisture, and when daytime sun hits a damp stucco wall, the water vapor pushes inward. Behind that stucco, 1930s and 1940s framing and lath soak it up. We find mold on the backside of exterior walls that look perfectly normal from the room.
- Poorly ventilated older multi-family buildings near the coast: Downtown and coastal San Pedro apartment buildings built before the 1950s were not designed for high-humidity environments. Bath fans vent into attics or nowhere at all, windows are single-pane, and closet walls against exterior masonry stay damp. Mold in these units spreads fast, and containment is critical to prevent cross-contamination between adjacent apartments.
Pricing for Mold Remediation in San Pedro, CA
San Pedro mold remediation pricing breaks down by the size of the affected area and what the water did before we arrived. A small bathroom or closet with surface mold and minimal drywall removal runs $900 – $1,800. A single room with containment, cavity treatment, and drying equipment runs $1,800 – $3,400. A crawl space with Category 3 contamination or a multi-room spread typically lands between $3,500 and $6,500. What moves the number is the square footage of material that must come out, whether containment and HEPA filtration are required, and how long the structure takes to dry in San Pedro’s humidity. Every job gets a written price before work begins. That price does not move at the door. Call (424) 323-4271 for a free estimate.
We Also Serve Cities Near San Pedro
Our crews work throughout the South Bay and Harbor area, including Wilmington, Rancho Palos Verdes, Torrance, and Redondo Beach. If you’re searching for Mold Remediation in San Pedro but live just over the city line, we can help. Each city has its own housing stock and drainage patterns, and we adjust our approach accordingly, but the guarantee stays the same: written price, documented work, one-year protection.
Serving San Pedro, CA - Our Local Coverage Area
We’re based in the San Pedro 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 San Pedro
San Pedro’s combination of steep hillsides, older raised foundations, and persistent marine layer fog holds moisture in wall cavities longer than Torrance’s flatter, more inland neighborhoods. The lath-and-plaster walls in 1920s Craftsman homes soak up runoff from failed hillside drains, and the spring “gray May” fog prevents those cavities from drying for weeks. That extended moisture window is exactly what mold needs to establish and spread. If you suspect water got into your walls after a storm, call us before the fog season locks the moisture in.
Category 3 water from a failed hillside drain is treated as contaminated. We set full containment, remove affected porous materials including insulation, lath, and carpet, and we disinfect the remaining structure before drying begins. In Vista del Oro specifically, we focus on the crawl space and lowest wall cavities where runoff first enters, and we document everything for your insurance claim. If the drain itself needs repair, we’ll recommend a drainage contractor before we finish the dry-out, so the same problem doesn’t return next winter.
Yes. In older stucco homes, moisture often moves from the exterior inward and gets trapped in unventilated wall cavities, so the first visible sign may be on the backside of exterior walls or at the baseboards. Newer construction has vapor barriers and different wall assemblies that dry faster. San Pedro’s 1920s – 1950s stucco homes hold water behind the stucco, and the lath-and-plaster interior absorbs it. That means we map moisture with meters and infrared, not just visual inspection, before we quote anything.
Mold remediation itself typically does not require a building permit in San Pedro, but if we remove structural materials like lath, sheathing, or framing, the reconstruction may require permits depending on the hillside and foundation conditions. Hillside homes on steep lots can trigger additional review for drainage and grading. We’ll tell you in writing what work may need a permit before you commit to anything. We also document the full scope and moisture readings so any permit office or insurance adjuster has what they need.
In a San Pedro coastal apartment, closet walls against exterior masonry and poorly vented rooms are common mold sites, and your belongings in those spaces are often contaminated too. We pack out affected items, inventory them, clean what can be salvaged, and store them until the unit passes clearance testing. In multi-family buildings, this also protects your neighbors from spores and keeps your claim organized. We handle the inventory and documentation so the insurance process moves without you having to manage it.
Call (424) 323-4271 any time, day or night, and we’ll walk you through what’s happening in your home and what it will cost to fix, in writing, before any work starts.
Written by Shane Pruitt, Owner at Keegan Restoration Torrance, serving San Pedro and the surrounding communities.