Mold testing or inspection in California

Orangevale, CA / 4.9 rating from 183 reviews / Water damage restoration service

Best for: Sacramento County and Placer County homeowners facing water damage emergencies who want a locally owned crew that handles dryout, mold remediation, and crawl space work with same-day response.

Service area: Headquartered in Orangevale, California. They list specific service areas: Citrus Heights, Folsom, Roseville, Antelope, Nimbus, El Dorado Hills, Sacramento, McClellan Park, North Highlands, and Rio Linda. The website claims coverage across Sacramento County, Placer County, and El Dorado Hills. Reviewer locations are consistent with the greater Sacramento metro area. Confirm response time for locations at the edges of this range, particularly El Dorado Hills and Roseville.

Review snapshot: Jordan, Dakota, and Erick draw consistent praise across 183 reviews for fast arrivals and clear explanations of the restoration process. But 2 reviews are 1-star, with one homeowner disputing the scope of tear-out work and another frustrated by an insurance coverage denial.

San Diego, CA / 5 rating from 139 reviews / Water damage restoration service

Best for: San Diego homeowners in Clairemont, Kearny Mesa, or La Jolla who want a locally owned PuroClean franchise with a 5.0 Google rating and 24/7 emergency response for mold tied to water damage.

Service area: Based in the Clairemont neighborhood of San Diego at 5555 Magnatron Blvd. Their website lists specific coverage for Clairemont, Kearny Mesa, Linda Vista, University City, La Jolla, Pacific Beach, Mission Beach, Mission Bay, Bayho, Torrey Pines, Del Mar, Fashion Valley, and Mission Valley. Blog posts reference jobs in Chula Vista, Poway, and San Carlos, suggesting they take work beyond the stated core area.

Review snapshot: Daniel Gastelo and Danny Ayala draw the most praise across 139 reviews for clear communication and clean job sites, with Tyrone Thomas frequently credited for hands-on owner involvement. But zero negative reviews in the last 18 months means there is no recent complaint data to evaluate (0 found across 139 reviews at 5.0 stars).

Woodland Hills, CA / 5 rating from 107 reviews / Water damage restoration service

Best for: Woodland Hills homeowners and San Fernando Valley property managers who need mold remediation handled alongside water damage under one crew, with in-house reconstruction so nothing gets handed off.

Service area: Headquartered in Woodland Hills, California (91364). Serves Los Angeles County (San Fernando Valley, Westside, South Bay, San Gabriel Valley, Santa Clarita Valley), Ventura County (Thousand Oaks, Simi Valley, Ventura, Oxnard, Ojai), and Orange County (Anaheim, Irvine, Huntington Beach, south to San Clemente). Three-county coverage from a single location is ambitious; response times will vary significantly by distance from Woodland Hills.

Review snapshot: Oren draws praise for courteous inspections and Logan for keeping clients updated on mold and water jobs. But 1 review out of 107 at 5.0 stars left 3 stars with no explanation, so there is almost nothing negative to go on.

Los Angeles, CA / 5 rating from 95 reviews / Water damage restoration service

Best for: Central LA homeowners dealing with water damage or mold who want a 911 Restoration franchise location with a 45-minute response guarantee and insurance claim help.

Service area: Headquartered at 5801 W Pico Blvd in Los Angeles. They list eight specific service areas: Central LA, Downtown Los Angeles, Echo Park, Silver Lake, Koreatown, Chinatown, Boyle Heights, and the Fashion District. A few reviewers mention jobs in Sherman Oaks and near Sunset/Silver Lake, suggesting they take work beyond these core neighborhoods.

Review snapshot: Marcos, Thomas, and Lemore draw repeated praise for middle-of-the-night arrivals and fast water extraction. No 1-star reviews exist across 95 total reviews at 5.0 stars.

Temecula, CA / 4.8 rating from 70 reviews / Water damage restoration service

Best for: Temecula and southwest Riverside County homeowners dealing with water or mold damage who want an owner-operated PuroClean franchise run by a husband-wife team with construction and insurance backgrounds.

Service area: Headquartered in Temecula, California, at 27393 Ynez Rd. Reviews confirm jobs in Temecula and nearby areas. One repeat customer referenced a condo job in Irvine, roughly 60 miles northwest, suggesting they take jobs beyond the immediate area. The website references Southern California broadly, and the owners mention building experience throughout the Inland Empire. Confirm response times for locations outside the Temecula-Murrieta corridor.

Review snapshot: Rod, Angela, Mark, and Cory draw repeated praise for responsiveness and clean work across 70 reviews at 4.8 stars. But zero negative reviews exist in the last 18 months, so there is no complaint data to assess current weaknesses.

Sacramento, CA / 4.7 rating from 56 reviews / Water damage restoration service

Best for: Sacramento-area homeowners dealing with water or fire damage who want a restoration company that also handles mold remediation and insurance claims under one roof.

Service area: Headquartered in Sacramento, California with a second office in San Jose. Oracle claims to serve Northern California, the Bay Area, and greater Southern California. Most Google reviews come from the Sacramento metro area. Confirm crew availability for locations outside Sacramento and San Jose.

Review snapshot: Collin, Jose, Roberto, and Erica draw consistent praise for communication and workmanship across dozens of reviews. But zero 1-star reviews exist among 56 total at 4.7 stars, so the negative signal here is essentially absent.

San Jose, CA / 4.9 rating from 53 reviews / Water damage restoration service

Best for: San Jose and South Bay homeowners dealing with water damage that has led to mold, who want a single contractor to handle remediation and reconstruction under one roof.

Service area: Headquartered at 1900 Camden Ave in San Jose, California, with a second location at 43177 Osgood Rd in Fremont. They list service coverage across 20 cities including San Jose, Fremont, Oakland, Palo Alto, Sunnyvale, Santa Clara, Milpitas, Hayward, San Mateo, Redwood City, and surrounding Bay Area communities.

Review snapshot: Fernando Ponce draws consistent praise as a communicative, hands-on project manager, and Daniel Arzate is credited for honest assessments and same-day inspections. No 1-star reviews found across 53 total reviews at 4.9 stars.

Rancho Cucamonga, CA / 5 rating from 50 reviews / Water damage restoration service

Best for: Inland Empire homeowners who want a salvage-first restoration company that documents every step with daily photos, moisture readings, and an insurer-ready file.

Service area: Headquartered in Rancho Cucamonga, California (11175 Azusa Ct, Suite 110). Serves 12 cities across the Inland Empire: Upland, Rancho Cucamonga, Fontana, Ontario, Rialto, San Bernardino, Highland, Redlands, Loma Linda, Colton, Bloomington, and Muscoy. The outer cities sit 20-30 miles from headquarters.

Review snapshot: Noel draws praise for on-site explanations and same-day response, Frankie for calm coordination during emergencies, and George for daily follow-through -- 0 reviews below 4 stars across 50 at 5.0★.

Orange, CA / 5 rating from 48 reviews / Water damage restoration service

Best for: Orange County homeowners dealing with water damage or mold who want a family-owned restoration company that handles insurance billing directly and advocates against their carrier.

Service area: Headquartered in Orange, California with a service hub at 2372 N Glassell St. They serve Orange County including Anaheim, Santa Ana, Irvine, Huntington Beach, Garden Grove, Fullerton, Costa Mesa, Mission Viejo, Westminster, Tustin, Yorba Linda, Villa Park, and Stanton. The company has operated in Southern California since 2016.

Review snapshot: Natalie draws the most praise for insurance navigation and constant communication, with Chris and Claudio noted for responsive fieldwork. But with 0 negative reviews across 48 total at 5.0 stars, there are no complaints to weigh.

Signal Hill, CA / 4.9 rating from 41 reviews / Water damage restoration service

Best for: Long Beach and Signal Hill homeowners dealing with mold after water damage who want one company to handle extraction, remediation, and reconstruction under owner Doug Akins's direct oversight.

Service area: Based in Signal Hill, CA at 2882 Gundry Avenue. The about page lists primary service areas as Long Beach, Signal Hill, Seal Beach, Huntington Beach, Sunset Beach, Lakewood, Torrance, San Pedro, Rancho Palos Verdes, Cypress, Los Alamitos, Westminster, Rossmoor, and Surfside. Reviews confirm work done in Long Beach, Huntington Beach, Redondo Beach, Torrance, Orange, Gardena, and Aliso Viejo. The website also claims broader Los Angeles and Orange County coverage.

Review snapshot: Doug Akins, Kelvin Ramos, and Jose Navarro draw repeated praise for same-day response and clear communication through the insurance process, with zero negative reviews found across 41 total at 4.9 stars.

El Dorado Hills, CA / 4.7 rating from 40 reviews / Water damage restoration service

Best for: El Dorado Hills homeowners dealing with water damage that has turned into a mold problem, where having a single operator who handles both drying and reconstruction under one general contractor license matters.

Service area: Based in El Dorado Hills, California. Serves El Dorado Hills, Folsom, Granite Bay, Roseville, Cameron Park, Placerville, and Fair Oaks. One review notes Jim told a caller he does not service Auburn, which suggests the boundaries are real.

Review snapshot: Jim Milne draws near-universal praise across 40 reviews for phone responsiveness, honest assessments, and insurance guidance. But 1 reviewer at 1 star cited poor customer service, though the owner says they have no record of the person.

San Marino, CA / 4.6 rating from 33 reviews / Water damage restoration service

Best for: San Marino and Pasadena homeowners who want a fog-based remediation that avoids tearing out drywall, backed by third-party lab testing and a 1-year regrowth guarantee.

Service area: Mold Zero is headquartered in San Marino, California. They serve Los Angeles County broadly, with location pages for Los Angeles, Pasadena, Glendale, Burbank, Long Beach, Hollywood Hills, San Gabriel, Santa Monica, Newport Beach, and Anaheim. The jump from San Marino to Newport Beach and Anaheim in Orange County is notable—confirm travel fees for locations far from their base.

Review snapshot: Eric draws the most praise for hands-on field work, with Noel and Jessica also named repeatedly for inspections and scheduling. But 1 of 33 reviewers at 4.6★ paid a rush fee for test results and waited five days instead of the promised one to two.

San Jose, CA / 4.8 rating from 32 reviews

Best for: San Jose homeowners who want a family-run mold and water damage firm known for telling customers when they don't actually need remediation work.

Service area: H&L Restoration is headquartered in San Jose, California. They list service coverage across the South Bay and Peninsula including Fremont, Sunnyvale, Santa Clara, Campbell, Los Gatos, Milpitas, Mountain View, Palo Alto, Los Altos, Cupertino, Pleasanton, Livermore, Morgan Hill, Gilroy, South San Francisco, San Mateo, and Redwood City. That range spans roughly 70 miles from Gilroy to South San Francisco.

Review snapshot: Casaundra and Todd draw praise across 32 reviews for honesty and fast response, but one reviewer described a mold inspector as rude and condescending (1 negative review at 4.8★).

Colton, CA / 4.8 rating from 32 reviews / Water damage restoration service

Best for: Inland Empire homeowners in Colton and San Bernardino County dealing with water damage that has led to mold, where having one crew handle both the water mitigation and mold remediation matters.

Service area: Headquartered in Colton, CA. Lists 13 service areas across San Bernardino and western Riverside counties: Bloomington, Bryn Mawr, Colton, Grand Terrace, Fontana, Highland, Loma Linda, Moreno Valley, Patton, Redlands, Rialto, Riverside, and San Bernardino. Core operations center on Colton and the immediate San Bernardino area.

Review snapshot: Quincy draws consistent praise for communication and hands-on follow-through across dozens of reviews. But 2 of 32 reviews describe demo crews missing damaged material and a permit filing error that dragged on for weeks.

Riverside, CA / 4.7 rating from 87 reviews / Water damage restoration service

Best for: Riverside County homeowners needing water damage, mold, or fire restoration handled under one contractor with 24/7 emergency response and insurance claim assistance.

Service area: Headquartered in Riverside, California. Their website lists specific service pages for Corona and Moreno Valley in addition to Riverside. They market broadly to Riverside County but do not specify exact boundaries.

Review snapshot: Manny draws strong praise for responsiveness and hands-on project management across dozens of positive reviews. But 2 of 87 reviews at 4.7 stars allege inflated insurance invoices and charges for work not performed.

Tarzana, CA / 5 rating from 28 reviews / Water damage restoration service

Best for: San Fernando Valley and west LA homeowners dealing with water damage or mold after a pipe burst, with two offices in Tarzana and central Los Angeles for faster response.

Service area: Headquartered in Tarzana, California with a second office in central Los Angeles. They claim coverage across 88 cities in Los Angeles County and 25 cities in Ventura County, from Lancaster and Palmdale in the north to Long Beach in the south, and from Santa Monica east to Claremont. The two-county footprint is broad for a company with two offices.

Review snapshot: Yani draws repeated praise for on-site mold education and hands-on work, and Natalie is highlighted for detailed project communication. But with only 28 reviews and zero negatives, the review volume is too thin to reveal patterns.

San Diego, CA / 5 rating from 26 reviews / Water damage restoration service

Best for: San Diego homeowners dealing with water damage that has led to mold growth, where a single company handling extraction through remediation simplifies the process.

Service area: Headquartered at 2701 Midway Dr in San Diego's Midway District. Primary service areas include Point Loma, Ocean Beach, Pacific Beach, Mission Valley, Hillcrest, North Park, Downtown San Diego, and Clairemont. Extended coverage reaches La Jolla, Mira Mesa, Chula Vista, El Cajon, La Mesa, and Coronado across San Diego County.

Review snapshot: All 26 reviews are 5-star with no named staff singled out, praising fast response and clear communication. But no negative reviews exist to reveal how the company handles problems.

Lompoc, CA / 4.6 rating from 26 reviews / Water damage restoration service

Best for: Lompoc and Central Coast homeowners dealing with mold after water damage who want one company to handle extraction, remediation, and reconstruction under one roof.

Service area: Headquartered in Lompoc, California. Their website lists Lompoc, Santa Maria, San Luis Obispo, Santa Barbara, and the Santa Ynez Valley as service areas. That covers a large stretch of the Central Coast, roughly 100 miles from end to end.

Review snapshot: Tony, Makenna, and Jose draw consistent praise across 26 reviews at 4.6 stars, with zero complaints in the last 18 months.

Beverly Hills, CA / 5 rating from 25 reviews / Water damage restoration service

Best for: Beverly Hills and Westside LA homeowners dealing with mold after water damage who want a restoration company that handles both cleanup and remediation under one crew.

Service area: SunTrust Restoration is headquartered in Beverly Hills, California. They serve residential and commercial clients across Los Angeles County, with specific service pages for Beverly Hills, Pasadena, Culver City, Altadena, Palisades, and Inglewood. Their website claims coverage of 100+ zip codes across Southern California, which is a broad claim for a relatively small team.

Review snapshot: Latrelle, Carolina, and Danny draw consistent praise across 25 reviews for fast response and clear communication. But with zero negative reviews on record, there is no independent check on how the company handles problems.

Roseville, CA / 4.8 rating from 25 reviews / Water damage restoration service

Best for: Roseville-area homeowners dealing with water damage that has turned into mold, who want one contractor to handle mitigation, remediation, and reconstruction under a single CSLB license.

Service area: Headquartered in Roseville, California (95678). The website lists nearby cities including Lincoln, Rocklin, Auburn, New Castle, Loomis, Penryn, Sacramento, Folsom, Eldorado Hills, Carmichael, Fair Oaks, Antelope, Natomas, and Woodland. It also claims coverage across Los Angeles, San Francisco, San Jose, San Diego, Orange, and multiple counties statewide, which is unrealistic for a small operation based in Placer County.

Review snapshot: Charlie draws consistent praise for frequent communication and hands-on project management, with Frank noted for field work quality. But one remodeling client reported a 6-week delay and material procurement issues (1 one-star review across 25 total at 4.8 stars).

Laguna Hills, CA / 4.8 rating from 20 reviews / Water damage restoration service

Best for: Orange County homeowners dealing with water damage or mold who want one company to handle dryout, remediation, and reconstruction under the same roof.

Service area: Headquartered in Laguna Hills, California. They claim to serve all of Orange County, listing 45+ cities from Anaheim and Brea in the north to San Clemente and Dana Point in the south. Review evidence confirms jobs in Irvine, Mission Viejo, Laguna Beach, Newport Beach, Huntington Beach, Aliso Viejo, Lake Forest, and other south Orange County cities.

Review snapshot: Kelly, Russ, and Eddy draw consistent praise for clear communication and honest assessments. But one recent reviewer reported being charged a flat rate based on a larger scope after the mold job turned out to be only 4 hours of work (1 one-star review across 20 total).

Manhattan Beach, CA / 5 rating from 19 reviews / Water damage restoration service

Best for: Manhattan Beach and South Bay homeowners dealing with water damage or mold who want an owner-operated company where Matt MacEachern handles the work personally.

Service area: Headquartered in Manhattan Beach, California. The website lists service areas across the South Bay and Westside LA including Hermosa Beach, El Segundo, Redondo Beach, Torrance, Hawthorne, Culver City, Mar Vista, Marina Del Rey, and extending to Beverly Hills, Santa Monica, and San Pedro. That is a wide footprint for a small company — confirm response times for locations far from Manhattan Beach.

Review snapshot: Matt gets called out by name in nearly every review for honest pricing and fast response, with multiple reviewers noting he undercut larger competitors. No negative reviews exist across 19 total at 5.0 stars.

Mammoth Lakes, CA / 4.9 rating from 19 reviews / Water damage restoration service

Best for: Eastern Sierra homeowners and property managers in Mammoth Lakes or Bishop dealing with water damage, mold, or hantavirus cleanup from a family-run outfit that has operated in this corridor since 1995.

Service area: Headquartered in Mammoth Lakes, California. Serves the Eastern Sierra corridor including Bishop and surrounding communities across Mono County and Inyo County. The service area is geographically vast but sparsely populated, so confirm availability for locations outside the two main towns.

Review snapshot: Reviewers consistently praise punctuality and clean job sites, with Hidden Valley Village Condominiums noting repeat use across properties. No 1-star reviews exist across 19 total reviews at 4.9 stars.

Pacific Palisades, CA / 4.6 rating from 19 reviews / Water damage restoration service

Best for: Pacific Palisades homeowners dealing with water damage who want a single company to handle extraction, drying, and mold remediation under one roof.

Service area: Headquartered on Sunset Blvd in Pacific Palisades, California. The website focuses on Pacific Palisades but does not specify a service boundary or list other cities served. Confirm coverage if your property is outside Pacific Palisades proper.

Review snapshot: Reviewers consistently praise fast arrival times and courteous technicians across 18 five-star reviews, but no reviewer names specific staff, and 1 one-star review (no text) exists among 19 total at 4.6 stars.

San Clemente, CA / 5 rating from 17 reviews / Water damage restoration service

Best for: South Orange County homeowners dealing with water damage that has turned into a mold problem, handled by an owner-operated crew based in San Clemente.

Service area: Headquartered in San Clemente, California. Their website lists South Orange County cities including Laguna Beach, Dana Point, San Juan Capistrano, Mission Viejo, Laguna Niguel, Laguna Hills, Laguna Woods, Aliso Viejo, Ladera Ranch, Coto De Caza, and Newport Beach. They also claim North San Diego County coverage in Oceanside, Carlsbad, Encinitas, Vista, Fallbrook, and San Marcos, which is a notably wide service area for a small crew.

Review snapshot: Brandon, Blake, and Curran draw consistent praise for communication and hands-on involvement across 17 reviews. But 1 reviewer called the pricing a "scam" compared to a competing quote, with no owner response.

Santa Clarita, CA / 5 rating from 15 reviews / Water damage restoration service

Best for: Santa Clarita homeowners dealing with water damage that has led to mold growth, since this 911 Restoration franchise handles both water extraction and mold removal under one roof.

Service area: Headquartered at 28200 Bouquet Canyon Road in Santa Clarita, California. The website lists six service areas: Santa Clarita, Castaic, Hasley Canyon, Del Valle, Forest Park, and Agua Dulce. All are within the Santa Clarita Valley, which is a reasonable coverage area for a single restoration crew.

Review snapshot: Mike and Arman draw praise for fast flood response and insurance help, but with only 15 reviews since 2018 and none in the past year, recent track record is thin.

Los Angeles, CA / 5 rating from 15 reviews / Water damage restoration service

Best for: Los Angeles and Ventura County homeowners who want a single restoration company to handle water damage, mold removal, and reconstruction under one contract with eco-friendly methods.

Service area: Headquartered in Los Angeles, California with offices in Tarzana (19168 Delano St) and mid-city LA (149 N Commonwealth Ave). They serve Los Angeles County and Ventura County, claiming coverage in 88 LA County cities and 25 Ventura County cities including Burbank, Glendale, Pasadena, Long Beach, Santa Monica, Thousand Oaks, Simi Valley, Ventura, and Oxnard.

Review snapshot: Yani draws repeated praise for mold knowledge and fast turnaround, with reviewers highlighting affordable pricing and quick response. But with only 15 Google reviews and zero negatives, the sample is too small to reveal patterns.