Warren County property record for 517 E 4th Ave, Monmouth, IL 61462
| Property Type | Single Family Home |
|---|---|
| Details | 788 sqft · built 1900 |
| Lot Size | 0.122 acres (12,338 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $592 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-205-467-00 |
| Primary APN | 09-205-467-00 |
|---|
| Building Area | 788 sqft Living Area |
|---|
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Lot Area | 12,338 sqft (0.122 acres) |
| Lot Dimensions | 85.7 ft deep x 62 ft wide |
| Street Address | 517 E 4TH AVE |
|---|---|
| City | MONMOUTH |
| State | IL |
| Zip | 61462-2254 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 62' W SD LOT 11 & 19'9" X 62' NW COR LOT 10 SUBDIV E PT BLOCK 41 OTP LOT SIZE: 62' X 85.67' |
| Legal Block | 41 |
| Legal Lot Number | 11,10 |
| Jurisdiction | WARREN IL |
| Township / Civil Division | MONMOUTH |
| Census Block Group | 2 |
| Census Block | 2029 |
| Census Tract | 870500 |
517 E 4th Ave is owned and occupied by an individual.
Source: Warren County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 517 E 4TH AVE, MONMOUTH, IL 61462-2254 |
| 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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 517 E 4th Ave was $592 with a homeowner's exemption.
Source: Warren County assessment roll, as of July 24, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Warren County |
| County Subdivision | Monmouth Township |
| Municipality | Monmouth City |
| Unified School District | Monmouth-Roseville Community Unit School District 238 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $592.00 Homeowner's exemption | $12,100 (+8.52%) Land $1,780 Building $10,320 | $36,300 (+8.52%) Land $5,340 Building $30,960 |
| 2024 | $11,150 Land $1,640 Building $9,510 | $33,450 Land $4,920 Building $28,530 | |
| 2022 | $409.00 Homeowner's exemption | $9,990 Land $1,470 Building $8,520 | $29,970 Land $4,410 Building $25,560 |
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.
FEMA maps place 517 E 4th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 9, 2021
| 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.
The area around 517 E 4th Ave 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 | MONMOUTH serves 8,902 people · EPA ID IL1870150 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Lead | 3 ppb (2026–2028) action level 15 ppb |
| Water Quality | Radium resolved · Oct 2024 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 467 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Nextlink Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: MTC Communications.
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