Rock County property record for 4133 E Co Rd J, Beloit, WI 53511 · Last verified April 2026
| Property Type | Commercial > Retail |
|---|---|
| Lot Size | 5,811,775 sqft (133 acres) |
| Tax Bill | $11,092.00 (2025) |
| Primary APN | 6-10-22.1 |
|---|---|
| Alternative APN |
|
| Lot Area | 5,811,775 sqft (133 acres) |
|---|
| Account Number | 020 00500101 |
|---|---|
| Street Address | 4133 E COUNTY ROAD J |
| City | BELOIT |
| State | WI |
| Zip | 53511 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Retail |
| Legal Description | NE1/4 (EXC HWY)(EXC ANNEX) (EXC CSM 10-469) (EXC COM C/L HWY 821' E OF SW COR FOR POB, N 180', E 71', S TO C/L HWY, W TO POB) |
| Jurisdiction | ROCK WI |
| Minor Civil Division | LA PRAIRIE |
| Census Blockgroup | 4 |
| Census Block | 4021 |
| Census Tract | 1302 |
Source: Rock County records · APN 6-10-22.1
Assessment roll updated April 2, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4031 S US HIGHWAY 51, JANESVILLE, WI 53546-9115 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | Jun 08, 2026 |
Source: Rock County records · Assessment roll updated April 2, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Rock County |
| County Subdivision | La Prairie Town |
| Unified School District | Janesville School District (PK - 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 | $11,092.00 (+9.5%) | $770,500 (+56.07%) Land $195,500 Building $575,000 | |
| 2024 | $793,429 | ||
| 2023 | $10,130.00 | $493,700 Land $98,900 Building $394,800 |
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