Rock County property record for 421 Colby St, Beloit, WI 53511 · Last verified April 2026
| Property Type | Commercial > Retail |
|---|---|
| Year Built | Built 1994 |
| Square Footage | 6,080 sqft Total Area |
| Lot Size | 30,579 sqft (0.702 acres) |
| Tax Bill | $4,548.00 (2025) |
| Primary APN | 206 13540404 |
|---|---|
| Alternative APN |
|
| Building Area | 6,080 sqft Total Area |
|---|
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 30,579 sqft (0.702 acres) |
| Account Number | 206 13540404 |
|---|---|
| Street Address | 421 COLBY ST |
| City | BELOIT |
| State | WI |
| Zip | 53511-6212 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Retail |
| Legal Description | LOT 3 C S M V 10 PG 176 |
| Legal Lot Number | 3 |
| Jurisdiction | ROCK WI |
| Minor Civil Division | BELOIT |
| Census Blockgroup | 2 |
| Census Block | 2047 |
| Census Tract | 1500 |
Source: Rock County records · APN 206 13540404
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 | Trust Name on File |
|---|---|
| Mailing Address | 548 BROAD ST, BELOIT, WI 53511-6345 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Owner is a Trust, Trust |
| 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 |
| Municipality | Beloit City |
| County | Rock County |
| Unified School District | Beloit 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 | $4,548.00 (+20.76%) | $274,900 (+16.09%) Land $84,500 Building $190,400 | $301,900 (+12.11%) |
| 2023 | $3,766.00 | $236,800 Land $84,500 Building $152,300 | $269,300 |
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