Mercer County property record for 603 SW 4th St, Aledo, IL 61231
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.223 acres (9,720 sqft) |
| Owner | Individual Name on File |
| Last Sale | $60,000 (Jun 2020) |
| Tax Bill | $2,654 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 101020105008 |
| Primary APN | 101020105008 |
|---|
| Lot Area | 9,720 sqft (0.223 acres) |
|---|---|
| Lot Dimensions | 120 ft deep x 81 ft wide |
| Street Address | 603 SW 4TH ST |
|---|---|
| City | ALEDO |
| State | IL |
| Zip | 61231-1821 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S17 T14N R3W LOT 7 EXCEPT W 39.2 & LOT 8 BLK 100 WILLITS & THOMPSONS ADDN |
| Legal Range | 03W |
| Legal Township | 14N |
| Legal Section | 17 |
| Legal Subdivision | WILLITS & THOMPSONS ADDN |
| Legal Block | 100 |
| Legal Lot Number | 7-8 |
| Jurisdiction | MERCER IL |
| Township / Civil Division | MERCER |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 40300 |
Source: Mercer County records · APN 101020105008
Assessment roll updated July 10, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 603 SW 4TH ST, ALEDO, IL 61231-1821 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 19, 2020 · Amount on Record |
| Deed Sale | Jun 19, 2020 · Amount on Record |
| Record Updated | Sep 20, 2026 |
Source: Mercer County records · Assessment roll updated July 10, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Illinois |
| Municipality | Aledo City |
| County | Mercer County |
| County Subdivision | Mercer Township |
| Unified School District | Mercer County School District 404 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,654.00 (+28.4%) | $36,020 (+20.11%) Land $4,970 Building $31,050 | $108,060 (+20.11%) Land $14,910 Building $93,150 |
| 2022 | $2,067.00 | $29,990 Land $4,135 Building $25,855 | $89,970 Land $12,405 Building $77,565 |
Source: FEMA National Flood Hazard Layer as of April 19, 2010 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Mediacom Communications Cable · Fiber in parts of the area | 1,000 / 50 |
May also be available: AMG Technology Investment Group, Viola Holding Company.
Based on FCC filings for 428 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | ALEDO serves 3,470 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2024 |
| Lead | 3 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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