Whiteside County property record for 509 E 4th St, Rock Falls, IL 61071 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Lot Size | 9,148 sqft (0.21 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $1,038.00 (2025) |
| Primary APN | 1127178023 |
|---|---|
| Alternative APN |
|
| Lot Area | 9,148 sqft (0.21 acres) |
|---|---|
| Depth X Width | 179 ft x 52 ft Depth x Width |
| Account Number | 101554 |
|---|---|
| Street Address | 509 E 4TH ST |
| City | ROCK FALLS |
| State | IL |
| Zip | 61071-1352 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | WOODWORTHS RESUB OF PT LOT 1 BLK F LOT 8 BLK 3 223300X |
| Legal Subdivision | WOODWORTHS RESUB |
| Legal Block | 3,F |
| Legal Lot Number | 1,8 |
| Jurisdiction | WHITESIDE IL |
| Minor Civil Division | COLOMA |
| Census Blockgroup | 1 |
| Census Block | 1024 |
| Census Tract | 1500 |
Source: Whiteside County records · APN 1127178023
Assessment roll updated May 22, 2026 · Last verified June 2026
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| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 509 E 4TH ST, ROCK FALLS, IL 61071-1352 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | Sep 20, 2026 |
Source: Whiteside County records · Assessment roll updated May 22, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Whiteside County |
| County Subdivision | Coloma Township |
| Municipality | Rock Falls City |
| Elementary School District | Rock Falls Elementary School District 13 (PK - 08) |
| Secondary School District | Rock Falls Township High School District 301 (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,038.00 | $31,187 Land $5,654 Building $25,533 | |
| 2024 | $93,561 Land $16,962 Building $76,599 |
Source: FEMA National Flood Hazard Layer, Whiteside County (17195C), updated September 26, 2019 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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