Williamson County property record for 521 Frederick St, Herrin, IL 62948
| Property Type | Single Family Home |
|---|---|
| Details | 2,616 sqft · built 1968 |
| Lot Size | 0.235 acres (10,236 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $165,000 (Jul 2021) |
| Tax Bill | $4,191 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 02-29-305-018 |
| Primary APN | 02-29-305-018 |
|---|
| Plumbing Fixtures | 10 Plumbing Fixtures |
|---|---|
| Stories | 1 Story |
| Building Area | 2,616 sqft Living Area |
| 1st Floor Area | 2,616 sqft |
| Basement Area | 2,616 sqft |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Exterior Material | Other |
| Foundation Type | Raised |
| Lot Area | 10,236 sqft (0.235 acres) |
| Garage Type | Mixed |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Canopy | 166 sqft |
| Heating System | Gas |
|---|
| Street Address | 521 FREDERICK ST |
|---|---|
| City | HERRIN |
| State | IL |
| Zip | 62948-4305 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BELLAIRE ADDITION N PT L61 ALL |
| Legal Subdivision | BELLAIRE ADD |
| Legal Lot Number | 60 |
| Jurisdiction | WILLIAMSON IL |
| Township / Civil Division | HERRIN |
| Census Block Group | 3 |
| Census Block | 3033 |
| Census Tract | 20500 |
521 Frederick St is owned and occupied by two individuals who bought it in July 2021.
Source: Williamson County records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 521 FREDERICK ST, HERRIN, IL 62948-4305 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Jul 21, 2021 · Amount on File |
| Deed Sale | Jul 21, 2021 · Amount on File |
| Deed Document Number | 20216626 |
| Deed Book / Page | 516 / 969 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 521 Frederick St was $4,191 with a homeowner's exemption, up 2.6% from the year before.
Source: Williamson County assessment roll, as of October 20, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Williamson County |
| Municipality | Herrin City |
| Unified School District | Herrin Community Unit School District 4 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,191.00 (+2.65%) | $56,680 (+10.14%) Land $9,140 Building $47,540 | $170,040 (+10.14%) Land $27,420 Building $142,620 |
| 2024 | $4,083.00 Homeowner's exemption | $51,460 Land $8,300 Building $43,160 | $154,380 Land $24,900 Building $129,480 |
| 2022 | $3,529.00 Homeowner's exemption | $45,340 Land $7,310 Building $38,030 | $136,020 Land $21,930 Building $114,090 |
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.
FEMA maps place 521 Frederick 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 July 9, 2020 · 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 | 4 in force |
| Nearby Flood Claims | 2 (1998) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jun 1998 · river or lake flooding |
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 521 Frederick St is low, with 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 95% of the US · lower than 70% of Illinois |
|---|---|
| Wildfire Likelihood | 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 | HERRIN serves 12,747 people · EPA ID IL1990400 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Mar 2025 |
| Lead | 10 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 6 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 386 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Mediacom Xtream Cable | 1,000 / 50 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: ClearWave.
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