Grundy County property record for 504 Joann St, Mazon, IL 60444
| Property Type | Single Family Home |
|---|---|
| Details | 1,200 sqft · built 1972 |
| Lot Size | 0.26 acres (11,326 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $6,503 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-21-128-003 |
| Primary APN | 08-21-128-003 |
|---|
| Building Area | 1,200 sqft Total Area |
|---|
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 11,326 sqft (0.26 acres) |
| Street Address | 504 JOANN ST |
|---|---|
| City | MAZON |
| State | IL |
| Zip | 60444-3659 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HENDERSONS 1ST ADD MAZON LT 12 SEC 21-32-7 |
| Legal Range | 07W |
| Legal Township | 32N |
| Legal Section | 21 |
| Legal Subdivision | HENDERSONS FIRST ADDITION |
| Legal Lot Number | 12 |
| Jurisdiction | GRUNDY IL |
| Township / Civil Division | MAZON |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 600 |
504 Joann St is owned and occupied by an individual.
Source: Grundy County records, as of June 30, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 504 JOANN ST, MAZON, IL 60444-3659 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 504 Joann St was $6,503 with a homeowner's exemption.
Source: Grundy County assessment roll, as of June 30, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Grundy County |
| County Subdivision | Mazon Township |
| Municipality | Mazon Village |
| Elementary School District | Mazon-Verona-Kinsman Elementary School District 2C (KG - 08) |
| Secondary School District | Seneca Township High School District 160 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,503.00 | $71,341 Land $6,223 Building $65,118 | $214,023 Land $18,669 Building $195,354 |
| 2022 | $4,477.00 Homeowner's exemption | $55,119 Land $4,808 Building $50,311 | $165,357 Land $14,424 Building $150,933 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 504 Joann St in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1990.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 8 (1990–2020) |
| Claims Outside the SFHA | 2 of 8 |
| Most Recent Claim | May 2020 · rainfall accumulation |
| Claims by Event |
|
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 risk around 504 Joann 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 98% of the US · lower than 86% 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MAZON serves 994 people · EPA ID IL0630500 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| Copper | 1.54 mg/L (2024) action level 1.3 mg/L |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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.
Source: FCC Broadband Data Collection, based on 49 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
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