Jefferson County property record for 643 E South St, Jefferson, WI 53549
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.367 acres (15,987 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $133,900 (Apr 2003) |
| Tax Bill | $5,870 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 241-0614-1233-011 |
| Primary APN | 241-0614-1233-011 |
|---|
| Lot Area | 15,987 sqft (0.367 acres) |
|---|---|
| Lot Dimensions | 160 ft deep x 100 ft wide |
| Street Address | 643 E SOUTH ST |
|---|---|
| City | JEFFERSON |
| State | WI |
| Zip | 53549-2070 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 4, BLK 2, SOUTH CREEK PARKWAY. |
| Legal Range | 14E |
| Legal Township | 06N |
| Legal Section | 12 |
| Legal Quarter | SW |
| Quarter-Quarter Section | SW |
| Legal Subdivision | SOUTH CRK PKWY |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | JEFFERSON WI |
| Township / Civil Division | JEFFERSON |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 101100 |
643 E South St is owned and occupied by two individuals who bought it in April 2003.
Source: Jefferson County records, as of February 16, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 643 E SOUTH ST, JEFFERSON, WI 53549-2070 |
| 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 | Apr 16, 2003 · Amount on File |
| Deed Sale | Apr 16, 2003 · Amount on File |
| Deed Document Number | 1117026 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 643 E South St was $5,870 with a homeowner's exemption.
Source: Jefferson County assessment roll, as of May 31, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Jefferson County |
| Municipality | Jefferson City |
| Unified School District | Jefferson School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,870.00 Homeowner's exemption | $326,400 Land $17,400 Building $309,000 | $310,400 |
| 2023 | $4,667.00 Homeowner's exemption | $265,600 Land $17,400 Building $248,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 643 E South St in Zone X, an area of minimal flood risk, though there have been 15 flood claims nearby since 1993.
Source: FEMA National Flood Hazard Layer, effective November 5, 2020 · 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 | 7 in force |
| Nearby Flood Claims | 15 (1993–2008) |
| Claims Outside the SFHA | 3 of 15 |
| Most Recent Claim | Jun 2008 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
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 643 E South St is low, with 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 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 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 | JEFFERSON WATERWORKS serves 7,926 people · EPA ID WI1280104 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Dec 2025 |
| Lead | 4 ppb (2024) action level 15 ppb |
| Water Quality | Radium resolved · Apr 2024 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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.
Source: FCC Broadband Data Collection, based on 38 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
May also be available: Netwurx.
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