Jefferson County property record for 100 S 18th St, Mount Vernon, IL 62864
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.132 acres (5,757 sqft) |
| Owner | Company Name on File |
| Last Sale | $35,000 (Sep 2008) |
| Tax Bill | $3,164 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 07-30-453-001 |
| Primary APN | 07-30-453-001 |
|---|
| Lot Area | 5,757 sqft (0.132 acres) |
|---|
| Street Address | 100 S 18TH ST |
|---|---|
| City | MOUNT VERNON |
| State | IL |
| Zip | 62864-2901 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CASEY,SK 3RD AD B1-2-3-4-5-6-7 N1/2 LOT 12 & N1/2 W10' LT 11 BLK 2 |
| Legal Subdivision | SK CASEYS 3RD ADD |
| Legal Block | 2 |
| Legal Lot Number | 11-12 |
| Jurisdiction | JEFFERSON IL |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 2 |
| Census Block | 2027 |
| Census Tract | 51000 |
100 S 18th St is owned by a company that acquired it in June 2014.
Source: Jefferson County records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 100 S 18TH ST, MOUNT VERNON, IL 62864-2901 |
| Owner Type | Company |
| Vesting | Company |
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 | Sep 24, 2008 · Amount on File |
| Deed Sale | Sep 24, 2008 · Amount on File |
| Prior Sale | Mar 28, 2008 |
| Deed Document Number | 20086018 |
| Last Transfer Date | Jun 9, 2014 |
| Transfer Doc | 0201403176 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 100 S 18th St was $3,164, up 0.9% from the year before.
Source: Jefferson County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Jefferson County |
| County Subdivision | Mount Vernon 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 | $3,164.00 (+0.89%) | $39,017 (+8%) Land $3,327 Building $35,690 | $117,051 (+8%) Land $9,981 Building $107,070 |
| 2024 | $3,136.00 | $36,127 Land $3,081 Building $33,046 | $108,381 Land $9,243 Building $99,138 |
| 2022 | $29,256 Land $2,495 Building $26,761 | $87,768 Land $7,485 Building $80,283 | |
| 2021 | $2,708.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 100 S 18th St in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 100 S 18th 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 99.1% of the US · lower than 94% 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 | NORTHEAST MOUNT VERNON WATER COMPANY private · serves 5,483 people · EPA ID IL0810010 |
|---|---|
| Water Source | Purchased surface water from MOUNT VERNON |
| Last State Inspection | May 2023 |
| Lead | 6 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 369 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| ClearWave Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Wisper ISP Fixed Wireless | 400 / 30 |
| GigFire Fixed Wireless | 150 / 130 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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