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Aurora, IL · Kane County

Water Risk Profile — ZIP 60502

Flood risk, local cost data, climate factors, and insurance context for your ZIP code.

Flood Risk

Medium

Cost Range

$2,200–$11,500

Avg Response

38 min

NFIP

State participates

Local Climate & Risk Factors

Aurora straddles Kane and DuPage counties west of Chicago along the Fox River. The Fox River is a significant flood corridor — periodic flooding affects lower-elevation river-adjacent properties. Aurora is part of the Chicago metro area's clay soil belt, creating the same foundation seepage and basement infiltration issues common throughout northeast Illinois. The city has significant older industrial and residential stock alongside newer master-planned developments. Winter brings classic Great Lakes lake-effect weather — freeze events and heavy snow loads stress plumbing and roofing systems.

Flood-prone areas: Downtown Aurora and Fox River adjacent areas have highest flood risk. Sugar Grove and North Aurora suburbs are newer with better drainage. Naperville-adjacent east Aurora has premium residential stock.

Insurance tip: Aurora Fox River floodplain properties need NFIP coverage. Clay soil basement seepage is a maintenance issue — not covered under standard insurance. Consider a water backup rider for sewer backup events during heavy rain.

Water Category Cost Table — Aurora, IL

Extraction & drying cost per square foot by IICRC water category

Water Category$/sq ft
Category 1 — Clean

Burst supply line, clean appliance overflow

$3.74–$9.21
Category 2 — Gray

Dishwasher, washing machine, toilet bowl (no feces)

$9.21–$11.15
Category 3 — Black

Sewage backup, floodwater, toilet overflow with feces

$13.1–$16.5

Estimates exclude reconstruction (drywall, flooring replacement). National benchmarks: Cat 1 $3.75–$4.25, Cat 2 $4.10–$6.50, Cat 3 $7–$7.50/sq ft — adjusted for Aurora market (4.415/sq ft range).

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