The 2025 property tax bill for 307 W Main St was $7,984 with a homeowner's exemption, up 5.5% from the year before.
Source: Grundy County assessment roll, as of June 30, 2026
Property Jurisdictions
Type
Name
State
Illinois
County
Grundy County
County Subdivision
Garfield Township
Municipality
Gardner Village
Elementary School District
Gardner Community Consolidated School District 72C (KG - 08)
Secondary School District
Gardner-South Wilmington Township High School District (09 - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2025
$7,984.00 (+5.47%)Homeowner's exemption
$97,416 (+5.47%)Land $8,459Building $88,957
$292,248 (+5.47%)Land $25,377Building $266,871
2024
$7,570.00
$92,363Land $8,020Building $84,343
$277,089Land $24,060Building $253,029
2022
$5,635.00Homeowner's exemption
$74,752Land $6,491Building $68,261
$224,256Land $19,473Building $204,783
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
Flood
FEMA maps place 307 W Main St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 30, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
FEMA Flood Zone
Zone X minimal risk
Nearest Special Flood Hazard Area
Zone AE, within 500 ft
Flood Insurance Requirement
Not required lenders may require it
Nearby Flood Policies
1 in force
Nearby Flood Claims
1 (2015)
Most Recent Claim
Jun 2015 · rainfall accumulation
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire
Wildfire risk around 307 W Main St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Low lower than 97% of the US · lower than 79% of Illinois
Wildfire Likelihood
Under 0.01% annual chance
Exposure
Direct burnable vegetation
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Drinking Water
Source: EPA Safe Drinking Water Information System, as of September 2026
Water System
GARDNER serves 1,361 people · EPA ID IL0630400
Water Source
Groundwater
Last State Inspection
Oct 2023
Lead
Under 1 ppb (2025) action level 15 ppb
Violations Reported to EPA
Water Quality
None last 10 years
Treatment and Procedure
None last 10 years
Monitoring and Reporting
None last 3 years
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ.
Internet Providers
Source: FCC Broadband Data Collection, based on 216 locations within half a mile, as of December 31, 2025