Mold Removal Cost And Risk In Navajo County, AZ

A typical professional mold job in Navajo County runs about $1,200 to $4,900 before rebuild, using the Arizona nonmetro price level. Below are the 24 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Arizona rules.

1988Median year homes were built

34%Homes built before 1980

27%Homes rented, not owned

$186,100Median home value

56,946Housing units

107,744People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Navajo County were built before 1988, and 34 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 27 percent of homes in Navajo County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 86025 has the oldest homes here, a median year of 1975, and ZIP 85912 the newest, 2004.

Typical Prices In Navajo County

JobSizeNational RangeNavajo County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,200 to $4,900
Mold Remediationan attic$2,000 to $7,500$1,650 to $6,100
Mold Inspection and Testinga visual inspection$200 to $600$150 to $500
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $800
Mold Inspection and Testinga clearance test$300 to $800$250 to $650

Estimate is the national range times 81.7 divided by 100, the price level for the nonmetro part of the state, 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 $4,900, that cap covers the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Navajo County high for winter weather. 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 floodingRelatively Moderate
Coastal floodingNot Applicable
HurricaneNo Rating
Cold waveRelatively Moderate
Winter weatherVery High

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

ZIP Code Neighborhoods In Navajo County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
85901Navajo County199622%$256,300
85911Navajo County198926%$53,400
85912Navajo County20040%$154,400
85923Navajo County199214%$177,600
85926Navajo County198638%$62,400
85928Navajo County199733%$384,000
85929Navajo County198640%$250,100
85933Navajo County199227%$308,100
85934Navajo County199720%$316,500
85935Navajo County198930%$381,000
85937Navajo County199238%$259,000
85939Taylor200038%$291,400
86025Navajo County197561%$144,600
86029Sun Valley198521%Not published
86031Navajo County198928%$71,800
86032Navajo County198051%$173,300
86033Navajo County198929%$38,300
86034Navajo County198722%$74,300
86039Navajo County198246%$113,900
86042Navajo County199126%$61,000
86043Navajo County197761%$76,900
86047Navajo County197658%$113,700
86054Navajo County198344%$73,500
86510Navajo County198925%$103,800

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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