Dane County property record for 939 Williamson St, Madison, WI 53703
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 3 ba · 1,654 sqft · built 1889 |
| Lot Size | 0.115 acres (5,018 sqft) |
| Owner | Owner Name on File |
| Last Sale | $338,200 (Dec 2012) |
| Tax Bill | $6,866 (2024) |
| Deeds & Mortgages | Jun 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-0606-7 |
| Primary APN | 0709-134-0606-7 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,654 sqft Living Area |
| 1st Floor Area | 799 sqft |
| 2nd Floor Area | 600 sqft |
| Basement Area | 799 sqft |
| Finished Basement | 255 sqft |
| Family Room | Family Room |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1889 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Traditional |
| Exterior Material | Brick |
| Construction Type | Brick |
| Foundation Type | Stone |
| Roof Material | Asphalt |
| Lot Area | 5,018 sqft (0.115 acres) |
| Lot Dimensions | 132 ft deep x 38 ft wide |
| Terrain | Wooded |
| Driveway | Driveway |
| Driveway Area | 47 sqft |
| Porch | Open Porch |
| Porch Area | 112 sqft |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 939 WILLIAMSON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-4199 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | HIS-TL, TR-V2 |
| Legal Description | ORIGINAL PLAT, BLK 154, NE 38 FT OF LOT 7 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 13 |
| Legal Subdivision | ORIGINAL PLAT, BLK 154, NE 38 FT OF |
| Legal Block | 154 |
| Legal Lot Number | 7 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 1901 |
Source: Dane County records · APN 0709-134-0606-7
Assessment roll updated January 1, 2025 · Last verified February 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 1113 GRAEDEL CT, MADISON, WI 53704-1614 |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 03, 2012 · Amount on Record |
| Deed Sale | Dec 03, 2012 · Amount on Record |
| Deed Document Number | 4938047 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 939 WILLIAMSON ST, MADISON, WI 53703-4199 |
| Transaction Type | Mortgage |
| Record Updated | Sep 08, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0005602217 |
|---|---|
| Date | Jun 17, 2020 |
| Instrument | 5602217 |
| Name | UNION FEDERAL SAVINGS & LOAN |
|---|---|
| Type | Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Jul 01, 2045 |
| Rate Type | Fixed Rate |
|---|
Source: Dane County records · Assessment roll updated January 1, 2025 · Last verified February 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Dane County |
| Municipality | Madison City |
| Unified School District | Madison Metropolitan 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 | $392,600 (+7%) Land $193,100 Building $199,500 | ||
| 2024 | $6,866.00 (+3.31%) | $392,600 | |
| 2023 | $366,900 Land $193,100 Building $173,800 | ||
| 2022 | $6,646.00 |
Source: FEMA National Flood Hazard Layer as of September 20, 2026 · 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 | Not rated no burnable land within 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) |
|---|---|
| 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 |
| ResTech Services Fixed Wireless · Fiber in parts of the area | 100 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 427 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 | MADISON WATER UTILITY serves 272,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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