Rock County property record for 4539 Sumpter Dr, Milton, WI 53563
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,639 sqft · built 1999 |
| Lot Size | 0.301 acres (13,112 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $172,000 (Sep 2011) |
| Tax Bill | $4,805 (2025) |
| Deeds & Mortgages | Oct 2025 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 0208100128 |
| Primary APN | 0208100128 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,639 sqft Living Area |
| 1st Floor Area | 1,639 sqft |
| Basement Area | 1,639 sqft |
| Unfinished Basement | 1,639 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Ranch |
| Lot Area | 13,112 sqft (0.301 acres) |
| Lot Dimensions | 125 ft deep x 125 ft wide |
| Garage Area | 844 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
| Porch Area | 237 sqft |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Account Number | 241 0208100128 |
|---|---|
| Street Address | 4539 SUMPTER DR |
| City | MILTON |
| State | WI |
| Zip | 53563-8418 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TWELVE OAKS LOT 14 0208100001 |
| Legal Subdivision | TWELVE OAKS |
| Legal Lot Number | 14 |
| Jurisdiction | ROCK WI |
| Township / Civil Division | JANESVILLE |
| Census Block Group | 1 |
| Census Block | 1040 |
| Census Tract | 1303 |
4539 Sumpter Dr is owned and occupied by two individuals who bought it in September 2011.
Source: Rock County records, as of April 2, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4539 SUMPTER DR, MILTON, WI 53563-8418 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 15, 2011 · Amount on File |
| Deed Sale | Sep 15, 2011 · Amount on File |
| Deed Document Number | 20111927681 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ROCK WI |
| Property Address | 4539 SUMPTER DR, MILTON, WI 53563-8418 |
| Transaction Type | Mortgage |
| Record Updated | Oct 27, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0002294735 |
|---|---|
| Date | Oct 8, 2025 |
| Instrument | 2294735 |
| Name | BLACKHAWK COMMUNITY CU |
|---|---|
| Type | Credit Union |
| Address | JANESVILLE, WI 53547 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Oct 7, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 4539 Sumpter Dr was $4,805 with a homeowner's exemption.
Source: Rock County assessment roll, as of April 2, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Rock County |
| Municipality | Janesville City |
| Unified School District | Milton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,805.00 Homeowner's exemption | $300,500 Land $30,900 Building $269,600 | |
| 2024 | $319,477 | ||
| 2023 | $5,098.00 Homeowner's exemption | $300,500 Land $30,900 Building $269,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4539 Sumpter Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2020.
Source: FEMA National Flood Hazard Layer, effective May 3, 2017 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (2020) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2020 · river or lake flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 4539 Sumpter Dr 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 98% of the US · lower than 94% 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 | JANESVILLE WATER UTILITY serves 64,415 people · EPA ID WI1540127 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2025 |
| Lead | 2 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 143 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: LiteWire.
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