Williamson County property record for 421 N 18th St, Herrin, IL 62948
| Property Type | Single Family Home |
|---|---|
| Details | 902 sqft · built 1904 |
| Lot Size | 0.146 acres (6,360 sqft) |
| Owner | Individual Name on File |
| Last Sale | $93,000 (May 2026) |
| Tax Bill | $1,148 (2025) |
| Deeds & Mortgages | May 2026 Sale & Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 02-19-378-012 |
| Primary APN | 02-19-378-012 |
|---|
| Plumbing Fixtures | 5 Plumbing Fixtures |
|---|---|
| Stories | 1 Story |
| Building Area | 902 sqft Living Area |
| 1st Floor Area | 902 sqft |
| Basement Area | 902 sqft |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1904 |
| Exterior Material | Other |
| Foundation Type | Raised |
| Lot Area | 6,360 sqft (0.146 acres) |
| Garage Area | 440 sqft |
| Porch | Slab |
| Porch Area | 84 sqft |
| Deck Area | Deck Area |
| Heating System | Gas |
|---|
| Street Address | 421 N 18TH ST |
|---|---|
| City | HERRIN |
| State | IL |
| Zip | 62948-1408 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MCNEILLS, H F 2ND ADD |
| Legal Subdivision | MCNEILLS H F 2ND ADD |
| Legal Block | 4 |
| Legal Lot Number | 1 |
| Jurisdiction | WILLIAMSON IL |
| Township / Civil Division | HERRIN |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 20400 |
421 N 18th St is owned and occupied by an individual who bought it in May 2026.
Source: Williamson County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 N 18TH ST, HERRIN, IL 62948-1408 |
| 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 |
|---|---|
| Last Sale | May 27, 2026 · Amount on File |
| Deed Sale | May 27, 2026 · Amount on File |
| Prior Sale | Apr 5, 2023 · Amount on File |
| Deed Document Number | 20263852 |
| Deed Book / Page | 531 / 865 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WILLIAMSON IL |
| Recording Date | May 27, 2026 |
| Property Address | 421 N 18TH ST, HERRIN, IL 62948-1408 |
| Document Number | 0000003852 |
| Book / Page | 531 / 865 |
| Instrument Date | May 27, 2026 |
| Instrument | 20263852 |
| Transaction Type | Transfer |
| Record Updated | Aug 25, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $14,089.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 421 N 18TH ST, HERRIN, IL 62948-1408 |
| Document Number | 0000003853, |
|---|---|
| Date | May 27, 2026 |
| Instrument | 20263853 |
| Name | GUILD MORTGAGE COMPANY |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
The 2025 property tax bill for 421 N 18th St was $1,148, up 579.3% 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 | $1,148.00 (+579.29%) | $13,915 (+10.17%) Land $3,075 Building $10,840 | $41,745 (+10.17%) Land $9,225 Building $32,520 |
| 2024 | $169.00 | $12,630 Land $2,790 Building $9,840 | $37,890 Land $8,370 Building $29,520 |
| 2022 | Homeowner's exemption Senior Citizen's exemption Veteran's exemption | $11,130 Land $2,460 Building $8,670 | $33,390 Land $7,380 Building $26,010 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 421 N 18th St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective July 9, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 3 (1980–2023) |
| Most Recent Claim | Jul 2023 · 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.
The area around 421 N 18th St has no burnable land within ember reach, so its wildfire risk is not rated.
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 504 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 | 1,000 / 50 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
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