Mold Removal Cost And Risk In Johnson County, KS

A typical professional mold job in Johnson County runs about $1,400 to $5,550 before rebuild, using the Kansas City, MO-KS price level. Below are the 31 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Kansas rules.

1988Median year homes were built

37%Homes built before 1980

31%Homes rented, not owned

$366,000Median home value

255,320Housing units

614,764People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $22.97 an hour, BLS May 2025 wage survey.

Half the homes in Johnson County were built before 1988, and 37 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 Johnson County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 66205 has the oldest homes here, a median year of 1951, and ZIP 66227 the newest, 2008.

Typical Prices In Johnson County

JobSizeNational RangeJohnson County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,550
Mold Remediationan attic$2,000 to $7,500$1,850 to $6,950
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 92.5 divided by 100, the price level for Kansas City, MO-KS, 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 $5,550, that cap falls short by about $550 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Johnson County high for inland flooding, cold wave, 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 High
Coastal floodingNot Applicable
HurricaneNo Rating
Cold waveRelatively High
Winter weatherVery High

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

ZIP Code Neighborhoods In Johnson County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
66018Johnson County198930%$379,900
66021Johnson County197856%$232,000
66030Johnson County200118%$281,700
66061Olathe199432%$337,400
66062Olathe199319%$342,700
66085Johnson County200123%$522,300
66202Mission197162%$264,400
66203Shawnee196877%$235,900
66204Overland Park196672%$254,400
66205Roeland Park195188%$341,500
66206Leawood196080%$633,700
66207Overland Park196776%$400,600
66208Prairie Village195786%$419,300
66209Leawood199013%$554,300
66210Overland Park198623%$345,200
66211Leawood199421%$589,400
66212Overland Park197174%$283,900
66213Overland Park19946%$445,100
66214Overland Park197953%$321,700
66215Lenexa198147%$311,600
66216Shawnee198147%$324,900
66217Shawnee199224%$404,400
66218Shawnee200312%$408,500
66219Lenexa19989%$370,500
66220Lenexa20056%$554,200
66221Overland Park20065%$670,500
66223Overland Park20013%$402,500
66224Leawood20038%$626,300
66226Shawnee20007%$386,600
66227Lenexa200814%$423,000
66251Overland ParkNot published0%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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