Mold Removal Cost And Risk In Riverside County, CA

A typical professional mold job in Riverside County runs about $1,600 to $6,400 before rebuild, using the Riverside-San Bernardino-Ontario, CA price level. Below are the 70 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and California rules.

1990Median year homes were built

30%Homes built before 1980

31%Homes rented, not owned

$510,300Median home value

860,042Housing units

2,449,909People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $23.05 an hour, BLS May 2025 wage survey.

Half the homes in Riverside County were built before 1990, and 30 percent went up before 1980. Older plumbing, roofs and window seals are where slow leaks start, and slow leaks are the mold most home policies leave out. About 31 percent of homes in Riverside County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 92501 has the oldest homes here, a median year of 1963, and ZIP 92532 the newest, 2006.

Typical Prices In Riverside County

JobSizeNational RangeRiverside County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,600 to $6,400
Mold Remediationan attic$2,000 to $7,500$2,150 to $8,000
Mold Inspection and Testinga visual inspection$200 to $600$200 to $650
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $1,050
Mold Inspection and Testinga clearance test$300 to $800$300 to $850

Estimate is the national range times 106.4 divided by 100, the price level for Riverside-San Bernardino-Ontario, CA, rounded to $50. National ranges from Remediational cost guide, price level from BEA Regional Price Parities 2024.

The standard limited fungi endorsement caps mold at $5,000. Against a typical job here of up to $6,400, that cap falls short by about $1,400 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Riverside County high for inland flooding. Water from these events is where mold claims start, and flood water is a separate policy. FloodSmart says mold damage is not covered under standard NFIP flood policies. FloodSmart

HazardFEMA Risk Rating
Inland floodingVery High
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveVery Low
Winter weatherRelatively Moderate

Source FEMA National Risk Index, December 2025, county level.

ZIP Code Neighborhoods In Riverside County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
91752Jurupa Valley199337%$647,600
92201Indio198932%$372,800
92203Indio200410%$496,600
92210Indian Wells198927%$1,002,200
92211Palm Desert199313%$535,700
92220Riverside County198344%$324,800
92223Beaumont200424%$458,300
92225Riverside County198051%$197,000
92230Riverside County198050%$260,100
92234Cathedral City198727%$420,700
92236Riverside County199826%$342,500
92239Riverside County199034%$221,200
92240Desert Hot Springs198932%$294,200
92241Riverside County198343%$93,400
92253La Quinta199913%$612,800
92254Riverside County199530%$206,900
92258Riverside County197360%Not published
92260Palm Desert198243%$463,500
92262Palm Springs198149%$600,600
92264Palm Springs197664%$498,200
92270Rancho Mirage198737%$747,800
92274Riverside County199031%$139,900
92276Thousand Palms198438%$260,500
92282Riverside County199138%$272,600
92320Calimesa198444%$423,300
92501Riverside196371%$466,400
92503Riverside198050%$556,300
92504Riverside197069%$501,800
92505Riverside197953%$520,800
92506Riverside196870%$634,900
92507Riverside198247%$503,000
92508Riverside19997%$656,800
92509Jurupa Valley197951%$501,200
92518March ARB198049%Not published
92530Riverside County199124%$467,400
92532Lake Elsinore20066%$553,100
92536Riverside County199714%$399,300
92539Riverside County198538%$298,000
92543Hemet197661%$250,800
92544Riverside County197953%$356,200
92545Hemet198927%$334,900
92548Riverside County197858%$217,300
92549Riverside County196876%$486,300
92551Moreno Valley199013%$435,700
92553Moreno Valley198528%$413,000
92555Riverside County200210%$543,300
92557Moreno Valley198617%$471,700
92561Riverside County198628%$560,100
92562Riverside County19975%$629,000
92563Murrieta20046%$615,700
92567Riverside County198442%$496,600
92570Riverside County198639%$419,800
92571Riverside County20008%$430,800
92582San Jacinto200510%$439,000
92583Riverside County198932%$339,500
92584Menifee20056%$562,100
92585Menifee20048%$499,800
92586Menifee197952%$338,200
92587Menifee198529%$593,800
92590Riverside County200111%$1,201,400
92591Temecula19978%$649,900
92592Riverside County19995%$664,000
92595Wildomar199520%$523,500
92596Riverside County20064%$615,500
92860Norco197468%$732,600
92879Corona198734%$592,000
92880Eastvale20056%$724,200
92881Riverside County199514%$723,800
92882Corona198536%$653,600
92883Riverside County20044%$671,700

ZIP areas are Census ZIP Code Tabulation Areas, placed in the county that holds most of their land, per the Census 2020 ZIP relationship files.

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