Williamson County property record for 421 S 18th St, Herrin, IL 62948
| Property Type | Single Family Home |
|---|---|
| Details | 968 sqft · built 1920 |
| Lot Size | 0.161 acres (7,038 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $1,008 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 02-30-179-007 |
| Primary APN | 02-30-179-007 |
|---|
| Plumbing Fixtures | 5 Plumbing Fixtures |
|---|---|
| Stories | 1 Story |
| Building Area | 968 sqft Living Area |
| 1st Floor Area | 968 sqft |
| Basement Area | 968 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Exterior Material | Shingles |
| Foundation Type | Raised |
| Lot Area | 7,038 sqft (0.161 acres) |
| Garage Type | Mixed |
| Garage Area | 360 sqft |
| Porch | Slab |
| Porch Area | 120 sqft |
| Heating System | Electric |
|---|
| Street Address | 421 S 18TH ST |
|---|---|
| City | HERRIN |
| State | IL |
| Zip | 62948-2335 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | STOTLARS, W N 3RD ADD 417-229 7-89 |
| Legal Subdivision | STOTLARS W N 3RD ADD |
| Legal Block | 9 |
| Legal Lot Number | 12 |
| Jurisdiction | WILLIAMSON IL |
| Township / Civil Division | HERRIN |
| Census Block Group | 4 |
| Census Block | 4019 |
| Census Tract | 20400 |
Source: Williamson County records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 421 S 18TH ST, HERRIN, IL 62948-2335 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $1,008.00 (+5.22%) | $23,025 (+10.17%) Land $3,725 Building $19,300 | $69,075 (+10.17%) Land $11,175 Building $57,900 |
| 2024 | $958.00 (+44.06%) Homeowner's exemption Veteran's exemption | $20,900 (+13.46%) Land $3,380 Building $17,520 | $62,700 (+13.46%) Land $10,140 Building $52,560 |
| 2022 | $665.00 Homeowner's exemption Veteran's exemption | $18,420 Land $2,980 Building $15,440 | $55,260 Land $8,940 Building $46,320 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 3 in force |
| Nearby Flood Claims | 3 (2008–2021) |
| Most Recent Claim | Sep 2021 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 568 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| ClearWave Fiber | 7,000 / 7,000 |
| Frontier Fiber | 5,000 / 5,000 |
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Futiva.
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