Whiteside County property record for 511 Griswold Ave, Sterling, IL 61081
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.146 acres (6,350 sqft) |
| Owner | Individual Name on File |
| Last Sale | $12,000 (Feb 2025) |
| Tax Bill | $514 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1120406010 |
| Primary APN | 1120406010 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,350 sqft (0.146 acres) |
|---|---|
| Lot Dimensions | 127 ft deep x 50 ft wide |
| Account Number | 120879 |
|---|---|
| Street Address | 511 GRISWOLD AVE |
| City | STERLING |
| State | IL |
| Zip | 61081-3144 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | W.STERLING 20-21-7 LOT 4 BLK 6 466800X |
| Legal Block | 6 |
| Legal Lot Number | 4 |
| Jurisdiction | WHITESIDE IL |
| Township / Civil Division | STERLING |
| Census Block Group | 2 |
| Census Block | 2030 |
| Census Tract | 1000 |
511 Griswold Ave is owned by an individual who bought it in February 2025.
Source: Whiteside County records, as of May 22, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1113 W 20TH ST, ROCK FALLS, IL 61071-2716 |
| 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 |
|---|---|
| Last Sale | Feb 24, 2025 · Amount on File |
| Deed Sale | Feb 24, 2025 · Amount on File |
| Deed Document Number | 2025801 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 511 Griswold Ave was $514.
Source: Whiteside County assessment roll, as of May 22, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Whiteside County |
| County Subdivision | Sterling Township |
| Municipality | Sterling City |
| Unified School District | Sterling Community Unit District 5 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $514.00 | $5,063 Land $1,555 Building $3,508 | |
| 2024 | $15,189 Land $4,665 Building $10,524 |
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 511 Griswold Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 26, 2019
| 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 511 Griswold Ave 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 | IL AMERICAN-STERLING private · serves 14,782 people · EPA ID IL1955040 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2024 |
| 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 | 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.
Source: FCC Broadband Data Collection, based on 281 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Surf Internet Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
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