Mold Removal Cost And Risk In Honolulu County, HI

A typical professional mold job in Honolulu County runs about $1,650 to $6,650 before rebuild, using the Urban Honolulu, HI price level. Below are the 30 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Hawaii rules.

1977Median year homes were built

58%Homes built before 1980

40%Homes rented, not owned

$873,000Median home value

372,329Housing units

1,003,666People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $28.10 an hour, BLS May 2025 wage survey.

Half the homes in Honolulu County were built before 1977, and 58 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 40 percent of homes in Honolulu County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 96816 has the oldest homes here, a median year of 1963, and ZIP 96707 the newest, 1999.

Typical Prices In Honolulu County

JobSizeNational RangeHonolulu County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,650 to $6,650
Mold Remediationan attic$2,000 to $7,500$2,200 to $8,300
Mold Inspection and Testinga visual inspection$200 to $600$200 to $650
Mold Inspection and Testingan inspection with samples$300 to $1,000$350 to $1,100
Mold Inspection and Testinga clearance test$300 to $800$350 to $900

Estimate is the national range times 111.0 divided by 100, the price level for Urban Honolulu, HI, 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 $6,650, that cap falls short by about $1,650 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Honolulu 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 floodingRelatively Moderate
HurricaneRelatively Low
Cold waveNo Rating
Winter weatherNo Rating

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

ZIP Code Neighborhoods In Honolulu County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
96701Honolulu County197570%$913,300
96706Honolulu County199724%$796,600
96707Honolulu County199921%$772,400
96712Honolulu County197371%$1,264,300
96717Honolulu County197662%$874,000
96730Kaaawa197665%$982,100
96731Honolulu County197860%$812,500
96734Honolulu County196968%$1,246,300
96744Honolulu County197367%$1,001,400
96759Honolulu CountyNot published100%Not published
96762Honolulu County197571%$962,400
96782Honolulu County197271%$846,200
96786Honolulu County197755%$724,400
96789Honolulu County198540%$871,000
96791Honolulu County197371%$932,000
96792Honolulu County197855%$551,400
96795Honolulu County197563%$746,700
96797Honolulu County198342%$798,600
96813Urban Honolulu198544%$804,100
96814Urban Honolulu198744%$706,500
96815Urban Honolulu197379%$627,600
96816Urban Honolulu196377%$1,121,400
96817Urban Honolulu197267%$930,000
96818Hickam Housing198246%$653,400
96819Urban Honolulu196774%$963,900
96821East Honolulu196966%$1,457,700
96822Urban Honolulu197177%$985,100
96825East Honolulu197762%$1,067,900
96826Urban Honolulu197375%$485,200
96848Urban HonoluluNot published100%Not published

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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