Mold Removal Cost And Risk In Union County, NJ

A typical professional mold job in Union County runs about $1,700 to $6,750 before rebuild, using the New York-Newark-Jersey City, NY-NJ price level. Below are the 26 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and New Jersey rules.

1956Median year homes were built

80%Homes built before 1980

42%Homes rented, not owned

$488,800Median home value

211,269Housing units

572,549People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $35.61 an hour, BLS May 2025 wage survey.

Half the homes in Union County were built before 1956, and 80 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 42 percent of homes in Union County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 07063 has the oldest homes here, a median year of 1950, and ZIP 07922 the newest, 1965.

Typical Prices In Union County

JobSizeNational RangeUnion County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,700 to $6,750
Mold Remediationan attic$2,000 to $7,500$2,250 to $8,450
Mold Inspection and Testinga visual inspection$200 to $600$250 to $700
Mold Inspection and Testingan inspection with samples$300 to $1,000$350 to $1,150
Mold Inspection and Testinga clearance test$300 to $800$350 to $900

Estimate is the national range times 112.6 divided by 100, the price level for New York-Newark-Jersey City, NY-NJ, 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 $6,750, that cap falls short by about $1,750 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Union County high for inland flooding, 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 floodingRelatively Moderate
HurricaneRelatively Moderate
Cold waveRelatively Moderate
Winter weatherVery High

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

ZIP Code Neighborhoods In Union County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
07016Union County195186%$635,800
07023Fanwood195484%$610,600
07027Garwood195386%$509,800
07033Kenilworth195589%$521,100
07036Linden195678%$385,100
07060Plainfield195284%$369,400
07062Plainfield195191%$374,200
07063Plainfield195088%$363,000
07065Rahway196166%$362,300
07066Union County196282%$570,400
07076Union County195981%$696,900
07081Union County196271%$590,600
07083Union County195580%$425,600
07088Vauxhall195779%$343,700
07090Westfield195479%$930,500
07092Mountainside195889%$755,600
07201Elizabeth196268%$413,000
07202Elizabeth195482%$358,000
07203Roselle195582%$336,500
07204Roselle Park195291%$405,800
07205Union County195094%$363,200
07206Elizabeth195167%$339,200
07208Elizabeth195678%$425,600
07901Summit195486%$958,700
07922Union County196572%$697,000
07974New Providence196376%$726,000

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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New York-Newark-Jersey City, NY-NJ