Rock County property record for 1728 Porter Ave, Beloit, WI 53511
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 1,608 sqft · built 1920 |
| Lot Size | 0.245 acres (10,672 sqft) |
| Owner | Company Name on File |
| Last Sale | $47,000 (Jul 2006) |
| Tax Bill | $1,907 (2025) |
| Deeds & Mortgages | Feb 2025 Mortgage Jan 2020 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 206 12510035 |
| Primary APN | 206 12510035 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,608 sqft Living Area |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Duplex Single |
| Exterior Material | Metal |
| Construction Type | Frame |
| Lot Area | 10,672 sqft (0.245 acres) |
| Parking Spaces | 1 Parking Space |
| Account Number | 206 12510035 |
|---|---|
| Street Address | 1728 PORTER AVE |
| City | BELOIT |
| State | WI |
| Zip | 53511-3643 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 58 & 59 MODEL HOMES ADD |
| Legal Subdivision | MODEL HOMES ADD |
| Legal Lot Number | 58-59 |
| Jurisdiction | ROCK WI |
| Township / Civil Division | BELOIT |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 1800 |
1728 Porter Ave is owned by a company that acquired it in January 2020.
Source: Rock County records, as of April 2, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1161, BELOIT, WI 53512-1161 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 24, 2025 | Deed of Trust, Mortgage · Commercial Mortgage JOHNSON BANK |
| Jan 31, 2020 | Quit Claim Deed, Transfer KNIGHT BARRY TITLE |
| Jul 20, 2006 | Warranty Deed, Transfer · Conventional Mortgage BANK MUTUAL |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 20, 2006 · Amount on File |
| Deed Sale | Jul 20, 2006 · Amount on File |
| Deed Document Number | 20061758043 |
| Last Transfer Date | Jan 31, 2020 |
| Transfer Doc | 0002146674 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ROCK WI |
| Property Address | 1728 PORTER AVE, BELOIT, WI 53511-3643 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2026 |
| Title Company | RR |
| Name | Verified Name |
|---|
| Document Number | 0002279636 |
|---|---|
| Date | Feb 24, 2025 |
| Instrument | 2279636 |
| Name | JOHNSON BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ROCK WI |
| Recording Date | Jan 31, 2020 |
| Property Address | 1728 PORTER AVE, BELOIT, WI 53511-3643 |
| Document Number | 0002146674 |
| Instrument Date | Jan 31, 2020 |
| Instrument | 2146674 |
| Transaction Type | Transfer |
| Record Updated | Mar 15, 2022 |
| Title Company | KNIGHT BARRY TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4726 E CREEK RD, BELOIT, WI 53511-7910 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ROCK WI |
| Recording Date | Jul 20, 2006 |
| Property Address | 1728 PORTER AVE, BELOIT, WI 53511-3643 |
| Document Number | 0001758043 |
| Instrument Date | Jul 17, 2006 |
| Instrument | 1758043 |
| Transaction Type | Transfer |
| Record Updated | Apr 2, 2026 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $141.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 1213 LAWRENCE ST, MADISON, WI 53715-2069 |
| Document Number | 0001758044 |
|---|---|
| Date | Jul 20, 2006 |
| Instrument | 1758044 |
| Name | BANK MUTUAL |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Aug 1, 2021 |
The 2025 property tax bill for 1728 Porter Ave was $1,907.
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 | $1,907.00 | $116,900 Land $13,700 Building $103,200 | $128,400 |
| 2023 | $1,685.00 | $107,200 Land $13,700 Building $93,500 | $121,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1728 Porter 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 1728 Porter 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 670 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 |
| LiteWire Fixed Wireless | 100 / 25 |
| AT&T Fixed Wireless · Fiber, DSL in parts of the area | 100 / 20 |
May also be available: Bug Tussel Wireless, T-Mobile.
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