Dane County property record for 1018 Williamson St, Madison, WI 53703
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,922 sqft · built 1894 |
| Lot Size | 0.072 acres (3,167 sqft) |
| Owner | Company Name on File |
| Last Sale | $75,000 (Apr 2015) |
| Tax Bill | $9,932 (2024) |
| Deeds & Mortgages | Mar 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-0108-3 |
| Primary APN | 0709-134-0108-3 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,922 sqft Living Area |
| 1st Floor Area | 961 sqft |
| 2nd Floor Area | 961 sqft |
| Basement Area | 961 sqft |
| Flooring | Wood |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1894 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Other |
| Exterior Material | Composition/Composite |
| Foundation Type | Concrete |
| Roof Material | Asphalt |
| Lot Area | 3,167 sqft (0.072 acres) |
| Lot Dimensions | 132 ft deep x 24 ft wide |
| Garage Type | Detached |
| Garage Area | 432 sqft |
| Driveway | Driveway |
| Driveway Area | 144 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 30 sqft |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 1018 WILLIAMSON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-3526 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | HIS-TL, TR-V2 |
| Legal Description | ORIGINAL PLAT, AKA FARWELLS REPLAT, BLK 174, NE 24 FT OF LOT 16 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 13 |
| Legal Subdivision | ORIGINAL PLAT, AKA FARWELLS REPLAT, BLK |
| Legal Block | 174 |
| Legal Lot Number | 16 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 1901 |
Source: Dane County records · APN 0709-134-0108-3
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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 694, MADISON, WI 53701-0694 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 02, 2015 · Amount on Record |
| Deed Sale | Apr 02, 2015 · Amount on Record |
| Deed Document Number | 5140258 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 1018 WILLIAMSON ST, MADISON, WI 53703-3526 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0005312343 |
|---|---|
| Date | Mar 16, 2017 |
| Instrument | 5312343 |
| Name | MOUND CITY BANK |
|---|---|
| Type | Bank |
| Address | PLATTEVILLE, WI 53818 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
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 | $565,800 (+7%) Land $117,500 Building $448,300 | ||
| 2024 | $9,932.00 (+3.29%) | $565,800 | |
| 2023 | $528,800 Land $117,500 Building $411,300 | ||
| 2022 | $9,616.00 |
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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