Rock County property record for 521 E Madison Ave, Milton, WI 53563
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 2 ba · 2,040 sqft · built 1870 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,692 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | V-23-1065 |
| Primary APN | V-23-1065 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,040 sqft Living Area |
| 1st Floor Area | 1,020 sqft |
| Year Built | Built 1870 |
|---|---|
| Effective Year Built | Effective 1870 |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 12,197 sqft (0.28 acres) |
| Garage Type | Detached |
| Garage Area | 720 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 257 115002 |
|---|---|
| Street Address | 521 E MADISON AVE |
| City | MILTON |
| State | WI |
| Zip | 53563-1320 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT SE1/4 ASSESSOR'S PLAT OUTLOT 258 |
| Jurisdiction | ROCK WI |
| Township / Civil Division | MILTON |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 3102 |
Source: Rock County records · APN V-23-1065
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | W5524 TRI COUNTY RD, WHITEWATER, WI 53190-2814 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Rock County records · Assessment roll updated April 2, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Rock County |
| Municipality | Milton City |
| Unified School District | Milton 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 | $3,692.00 (+12.97%) | $200,400 (+38.3%) Land $20,800 Building $179,600 | $231,200 (+22.85%) |
| 2023 | $3,268.00 | $144,900 Land $16,700 Building $128,200 | $188,200 |
Source: FEMA National Flood Hazard Layer as of May 3, 2017 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 98% of the US · lower than 94% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| ResTech Services Fixed Wireless | 100 / 25 |
May also be available: Brightspeed, T-Mobile USA.
Based on FCC filings for 166 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MILTON WATERWORKS serves 5,588 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2024 |
| Lead | 2 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Sanitary survey deficiency not corrected Oct 2018 |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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