Dane County property record for 947 Williamson St, Madison, WI 53703
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 1,848 sqft · built 1894 |
| Lot Size | 0.1 acres (4,356 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $504,000 (Jul 2025) |
| Tax Bill | $7,304 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-0603-3 |
| Primary APN | 0709-134-0603-3 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,848 sqft Living Area |
| Gross Area | 2,772 sqft |
| 1st Floor Area | 924 sqft |
| 2nd Floor Area | 924 sqft |
| Basement Area | 924 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1894 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Old Style |
| Exterior Material | Wood |
| Roof Material | Asphalt |
| Lot Area | 4,356 sqft (0.1 acres) |
| Lot Dimensions | 132 ft deep x 33 ft wide |
| Terrain | Steep |
| View / Lot | Traffic |
| Driveway | Concrete Driveway |
| Driveway Area | 64 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 45 sqft |
| Deck Area | 60 sqft |
| Patio Area | 60 sqft |
| Cooling System | Window A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 947 WILLIAMSON ST, 2 |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-4334 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | TR-V2 |
| Legal Description | ORIGINAL PLAT, BLK 154, NE 1/2 OF LOT 8. |
| Legal Range | 09E |
| Legal Township | 07N |
| Legal Section | 13 |
| Legal Quarter | 4 |
| Legal Subdivision | ORIGINAL PLAT, BLK 154, NE 1/2 OF |
| Legal Block | 154 |
| Legal Lot Number | 8 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 1901 |
Source: Dane County records, as of June 30, 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 | 421 W 43RD ST, 1W, NEW YORK, NY 10036-5347 |
| Owner Type | Individual |
| Vesting | Unmarried |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 29, 2025 · Amount on Record |
| Deed Sale | Jul 29, 2025 · Amount on Record |
| Prior Sale | Oct 5, 2015 · Amount on Record |
| Deed Document Number | 20256042397 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 947 WILLIAMSON ST, MADISON, WI 53703-4334 |
| Transaction Type | Mortgage |
| Record Updated | May 1, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0005784554 |
|---|---|
| Date | Oct 29, 2021 |
| Instrument | 5784554 |
| Name | DMB COMMUNITY BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Fixed Rate |
|---|
Source: Dane County assessment roll, as of March 16, 2026
| 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 |
|---|---|---|---|
| 2025 | $7,304.00 (+14.93%) | $396,400 (+36.22%) Land $176,900 Building $219,500 | |
| 2024 | $6,355.00 (+4.27%) | $363,700 (+24.28%) | |
| 2023 | $291,000 Land $176,900 Building $114,100 | $292,639 | |
| 2022 | $6,095.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 20, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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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