Jefferson County property record for 4206 Williamson Pl, Mount Vernon, IL 62864
| Property Type | Commercial |
|---|---|
| Lot Size | 2.93 acres (127,631 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $21,590 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-35-427-017 |
| Primary APN | 06-35-427-017 |
|---|
| Units | 2 Units |
|---|
| Lot Area | 127,631 sqft (2.93 acres) |
|---|
| Street Address | 4206 WILLIAMSON PL |
|---|---|
| City | MOUNT VERNON |
| State | IL |
| Zip | 62864-6761 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | WESTLAND BUSINESS CENTER-RESUB LTS 1,2 & 3 LOT 5 |
| Legal Subdivision | WESTLAND BUSINESS CENTER-RESUB |
| Legal Lot Number | 1-4 |
| Jurisdiction | JEFFERSON IL |
| Township / Civil Division | SHILOH |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 50500 |
Source: Jefferson County records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 4206 WILLIAMSON PL, MOUNT VERNON, IL 62864-6761 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Jefferson County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Jefferson County |
| County Subdivision | Shiloh Township |
| Municipality | Mount Vernon City |
| Elementary School District | Mount Vernon School District 80 (PK - 08) |
| Secondary School District | Mount Vernon Township High School District 201 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $21,590.00 (+1.02%) | $278,265 (+68.16%) Land $71,208 Building $207,057 | $834,795 (+68.16%) Land $213,624 Building $621,171 |
| 2024 | $21,373.00 (+41.19%) | ||
| 2022 | $165,477 Land $15,730 Building $149,747 | $496,431 Land $47,190 Building $449,241 | |
| 2021 | $15,138.00 |
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 September 17, 2010
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 74% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | MOUNT VERNON serves 15,793 people · EPA ID IL0810300 |
|---|---|
| Water Source | Purchased surface water from REND LAKE INTER-CITY WATER SYSTEM |
| Last State Inspection | Sep 2023 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 39 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: ClearWave, GigFire, T-Mobile, Verizon.
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