Mold Testing in California (CA)
Find certified mold testing services across California. Air sampling and lab analysis typically costs $150–$550 for a standard residential test. Browse by city for local pricing and contractor availability.
64%
Avg. relative humidity
$150–$550
Avg. testing cost
121
Cities covered
Cities in California
Los Angeles
$150–$600 testing • 73% humidity
San Diego
$150–$550 testing • 73% humidity
San Jose
$175–$650 testing • 65% humidity
San Francisco
$200–$750 testing • 78% humidity
Fresno
$100–$425 testing • 53% humidity
Sacramento
$125–$475 testing • 62% humidity
Long Beach
$150–$550 testing • 73% humidity
Oakland
$150–$575 testing • 77% humidity
Bakersfield
$150–$550 testing • 43% humidity
Anaheim
$150–$550 testing • 64% humidity
Stockton
$150–$550 testing • 61% humidity
Riverside
$150–$550 testing • 56% humidity
Santa Ana
$150–$575 testing • 65% humidity
Irvine
$150–$575 testing • 67% humidity
Chula Vista
$150–$575 testing • 71% humidity
Fremont
$150–$575 testing • 71% humidity
Santa Clarita
$150–$550 testing • 51% humidity
San Bernardino
$150–$550 testing • 55% humidity
Modesto
$150–$550 testing • 57% humidity
Moreno Valley
$150–$550 testing • 54% humidity
Fontana
$150–$550 testing • 52% humidity
Oxnard
$150–$575 testing • 75% humidity
Huntington Beach
$150–$575 testing • 72% humidity
Glendale
$150–$550 testing • 61% humidity
Santa Rosa
$150–$575 testing • 68% humidity
Ontario
$150–$550 testing • 58% humidity
Elk Grove
$150–$550 testing • 64% humidity
Rancho Cucamonga
$150–$550 testing • 56% humidity
Oceanside
$150–$575 testing • 76% humidity
Garden Grove
$150–$575 testing • 68% humidity
Lancaster
$150–$550 testing • 42% humidity
Palmdale
$150–$550 testing • 44% humidity
Salinas
$150–$575 testing • 75% humidity
Hayward
$150–$575 testing • 76% humidity
Corona
$150–$550 testing • 58% humidity
Sunnyvale
$150–$575 testing • 66% humidity
Escondido
$150–$575 testing • 70% humidity
Pomona
$150–$550 testing • 60% humidity
Roseville
$150–$550 testing • 60% humidity
Torrance
$150–$575 testing • 73% humidity
Fullerton
$150–$550 testing • 64% humidity
Visalia
$150–$550 testing • 50% humidity
Orange
$150–$575 testing • 65% humidity
Pasadena
$150–$550 testing • 59% humidity
Victorville
$150–$550 testing • 39% humidity
Santa Clara
$150–$575 testing • 65% humidity
Thousand Oaks
$150–$550 testing • 58% humidity
Simi Valley
$150–$550 testing • 55% humidity
Vallejo
$150–$575 testing • 73% humidity
Concord
$150–$575 testing • 68% humidity
Berkeley
$150–$575 testing • 76% humidity
Clovis
$150–$550 testing • 53% humidity
Fairfield
$150–$575 testing • 68% humidity
East Los Angeles
$150–$575 testing • 65% humidity
Richmond
$150–$575 testing • 74% humidity
Antioch
$150–$550 testing • 62% humidity
Carlsbad
$150–$575 testing • 76% humidity
Downey
$150–$575 testing • 66% humidity
Murrieta
$150–$550 testing • 62% humidity
Costa Mesa
$150–$575 testing • 77% humidity
San Buenaventura (Ventura)
$150–$575 testing • 75% humidity
Temecula
$150–$550 testing • 64% humidity
Santa Maria
$150–$575 testing • 71% humidity
El Monte
$150–$550 testing • 63% humidity
West Covina
$150–$550 testing • 61% humidity
Inglewood
$150–$575 testing • 67% humidity
Burbank
$150–$550 testing • 57% humidity
El Cajon
$150–$575 testing • 66% humidity
Jurupa Valley
$150–$550 testing • 56% humidity
San Mateo
$150–$575 testing • 77% humidity
Rialto
$150–$550 testing • 52% humidity
Menifee
$150–$550 testing • 56% humidity
Daly City
$150–$575 testing • 82% humidity
Chico
$150–$550 testing • 49% humidity
Norwalk
$150–$550 testing • 64% humidity
Vacaville
$150–$550 testing • 62% humidity
Hesperia
$150–$550 testing • 43% humidity
Vista
$150–$575 testing • 73% humidity
Arden-Arcade
$150–$550 testing • 61% humidity
Compton
$150–$575 testing • 70% humidity
Carson
$150–$575 testing • 70% humidity
San Marcos
$150–$575 testing • 70% humidity
Tracy
$150–$550 testing • 54% humidity
Redding
$150–$550 testing • 52% humidity
Mission Viejo
$150–$575 testing • 67% humidity
South Gate
$150–$575 testing • 65% humidity
Santa Monica
$150–$575 testing • 67% humidity
Chino
$150–$550 testing • 58% humidity
Westminster
$150–$575 testing • 68% humidity
San Leandro
$150–$575 testing • 77% humidity
Hemet
$150–$550 testing • 53% humidity
Indio
$150–$550 testing • 26% humidity
Santa Barbara
$150–$550 testing • 60% humidity
Merced
$150–$550 testing • 55% humidity
Livermore
$150–$575 testing • 67% humidity
Citrus Heights
$150–$550 testing • 60% humidity
Hawthorne
$150–$575 testing • 73% humidity
Whittier
$150–$550 testing • 64% humidity
San Ramon
$150–$575 testing • 72% humidity
Lake Forest
$150–$550 testing • 64% humidity
Newport Beach
$150–$575 testing • 77% humidity
Manteca
$150–$550 testing • 59% humidity
Buena Park
$150–$575 testing • 65% humidity
Redwood City
$150–$575 testing • 72% humidity
Alhambra
$150–$550 testing • 62% humidity
Mountain View
$150–$575 testing • 71% humidity
Lakewood
$150–$575 testing • 67% humidity
Folsom
$150–$550 testing • 62% humidity
Tustin
$150–$575 testing • 67% humidity
Napa
$150–$575 testing • 70% humidity
Rancho Cordova
$150–$550 testing • 62% humidity
Milpitas
$150–$575 testing • 70% humidity
Perris
$150–$550 testing • 53% humidity
Upland
$150–$550 testing • 58% humidity
Pleasanton
$150–$575 testing • 70% humidity
Bellflower
$150–$575 testing • 67% humidity
Chino Hills
$150–$550 testing • 62% humidity
Carmichael
$150–$550 testing • 61% humidity
Alameda
$150–$575 testing • 77% humidity
Pittsburg
$150–$575 testing • 67% humidity
Apple Valley
$150–$550 testing • 38% humidity
Licensing & certification in California
California does not have a specific state license for mold remediation. However, contractors must hold a valid Contractor's State License Board (CSLB) license. Always verify insurance and IICRC certification.
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