Dane County property record for 839 Williamson St, Madison, WI 53703
| Property Type | Apartment House (2-4 Units) |
|---|---|
| Details | 790 sqft · built 1890 |
| Lot Size | 0.393 acres (17,160 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $368,500 (Mar 1982) |
| Tax Bill | $2,306 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-1402-8 |
| Primary APN | 0709-134-1402-8 |
|---|
| Units | 9 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 790 sqft Total Area |
| 1st Floor Area | 3,861 sqft |
| 2nd Floor Area | 4,063 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1900 |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Concrete |
| Roof Material | Asphalt |
| Lot Area | 17,160 sqft (0.393 acres) |
| Lot Dimensions | 132 ft deep x 130 ft wide |
| Total Buildings | 4 Buildings |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 839 WILLIAMSON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-4500 |
| Property Category | Commercial |
| Property Type | Residential > Multi-Unit > Apartment House (2-4 Units) |
| Local Zoning Code | HIS-TL, TSS |
| Legal Description | ORIGINAL PLAT, BLK 148, LOT 7 & SW 64 FT OF LOT 8 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 13 |
| Legal Subdivision | MADISON |
| Legal Block | 148 |
| Legal Lot Number | 7-8 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 1901 |
Source: Dane County records, as of January 22, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 841 WILLIAMSON ST APT 4, 4, MADISON, WI 53703-4576 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 1, 1982 · Amount on Record |
| Deed Sale | Mar 1, 1982 · Amount on Record |
| Deed Document Number | 0000345363 |
| Record Updated | Jun 8, 2026 |
Source: Dane County assessment roll, as of January 1, 2024
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Dane County |
| Municipality | Madison City |
| Unified School District | Madison Metropolitan School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2024 | $2,306.00 (+12.21%) | $135,000 (+12.5%) Building $135,000 | $135,000 |
| 2023 | $120,000 Building $120,000 | ||
| 2022 | $2,055.00 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective September 20, 2026 · 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 | 6 in force |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | MADISON WATER UTILITY serves 272,000 people · EPA ID WI1130224 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2023 |
| Lead | 2 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 427 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| LiteWire Fixed Wireless · Fiber in parts of the area | 100 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
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