Rock County property record for 501 Prospect Ave, Beloit, WI 53511
| Property Type | Commercial |
|---|---|
| Details | 22,968 sqft · built 1920 |
| Lot Size | 0.425 acres (18,513 sqft) |
| Owner | Company Name on File |
| Last Sale | $22,000 (Dec 2012) |
| Tax Bill | $7,811 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 206 13660050 |
| Primary APN | 206 13660050 |
|---|---|
| Alternative APN |
|
| Building Area | 22,968 sqft Total Area |
|---|
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Lot Area | 18,513 sqft (0.425 acres) |
| Account Number | 206 13660050 |
|---|---|
| Street Address | 501 PROSPECT AVE |
| City | BELOIT |
| State | WI |
| Zip | 53511-6336 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | LOTS 5 & 6 B 74 ORIGINAL PLAT |
| Legal Lot Number | 5-6 |
| Jurisdiction | ROCK WI |
| Township / Civil Division | BELOIT |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 1500 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Near East Side Historic District listed 1983 · 169 contributing resources · NRIS 83003419 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
501 Prospect Ave, a commercial property, is owned by a company that bought it in December 2012.
Source: Rock County records, as of April 2, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 530 E GRAND AVE, BELOIT, WI 53511-6314 |
| 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 | Dec 7, 2012 · Amount on File |
| Deed Sale | Dec 7, 2012 · Amount on File |
| Deed Document Number | 20121965248 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 501 Prospect Ave was $7,811.
Source: Rock County assessment roll, as of April 2, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| Municipality | Beloit City |
| County | Rock County |
| Unified School District | Beloit School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,811.00 | $470,000 Land $78,700 Building $391,300 | $516,200 |
| 2023 | $1,443.00 | $92,100 Land $19,700 Building $72,400 | $104,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 501 Prospect Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 3, 2017
| 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 501 Prospect 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 97.9% of Wisconsin |
|---|---|
| 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 | CITY OF BELOIT serves 36,677 people · EPA ID WI1540112 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2024 |
| Lead | 5 ppb (2023) action level 15 ppb |
| Water Quality | Radium resolved · Oct 2019 |
|---|---|
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 129 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, LiteWire, Metronet.
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