Jefferson County property record for 512 Madison Ave, Sullivan, WI 53178
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.45 acres (19,602 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,838 (2025) |
| Deeds & Mortgages | Aug 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 181-0616-0313-035 |
| Primary APN | 181-0616-0313-035 |
|---|
| Lot Area | 19,602 sqft (0.45 acres) |
|---|
| Street Address | 512 MADISON AVE |
|---|---|
| City | SULLIVAN |
| State | WI |
| Zip | 53178-7102 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 11,12 & 13, VINZ'S ADD. EX .001A IN USH 18 IN DOC 868026. |
| Legal Range | 16E |
| Legal Township | 06N |
| Legal Section | 03 |
| Legal Quarter | NE |
| Quarter-Quarter Section | SW |
| Legal Subdivision | VINZS ADD |
| Legal Lot Number | 11-13 12 |
| Jurisdiction | JEFFERSON WI |
| Township / Civil Division | SULLIVAN |
| Census Block Group | 1 |
| Census Block | 1101 |
| Census Tract | 100800 |
512 Madison Ave is owned and occupied by an individual who acquired it in August 2018.
Source: Jefferson County records, as of February 16, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | PO BOX 23, SULLIVAN, WI 53178-0023 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 6, 2018 |
| Deed Sale | Aug 6, 2018 |
| Deed Document Number | 1399938 |
| Record Updated | Jun 8, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | JEFFERSON WI |
| Recording Date | Aug 6, 2018 |
| Property Address | 512 MADISON AVE, SULLIVAN, WI 53178-7102 |
| Document Number | 0001399938 |
| Map Reference | DOC 868026 |
| Instrument Date | Jun 19, 2018 |
| Instrument | 1399938 |
| Transaction Type | Transfer |
| Record Updated | Mar 10, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 512 MADISON AVE, SULLIVAN, WI 53178-9799 |
| Document Number | 0001399939 |
|---|---|
| Date | Aug 6, 2018 |
| Instrument | 1399939 |
| Name | WATERSTONE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 1, 2048 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 512 Madison Ave was $4,838 with a homeowner's exemption.
Source: Jefferson County assessment roll, as of May 31, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Jefferson County |
| Municipality | Sullivan Village |
| Unified School District | Jefferson School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,838.00 Homeowner's exemption | $255,700 Land $44,700 Building $211,000 | $278,400 |
| 2023 | $4,310.00 Homeowner's exemption | $184,900 Land $34,300 Building $150,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 512 Madison Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.
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 | 1 in force |
| Nearby Flood Claims | 1 (1979) |
| Most Recent Claim | Mar 1979 · rainfall accumulation |
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 512 Madison Ave 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 | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 87 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 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Bug Tussel Wireless.
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