Dane County property record for 1020 Williamson St, Madison, WI 53703
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,584 sqft · built 1928 |
| Lot Size | 0.1 acres (4,356 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,038 (2024) |
| Deeds & Mortgages | Feb 2022 Mortgage Nov 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-0109-1 |
| Primary APN | 0709-134-0109-1 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 3 Stories |
| Building Area | 1,584 sqft Living Area |
| 1st Floor Area | 696 sqft |
| 2nd Floor Area | 696 sqft |
| Attic Area | 192 sqft |
| Basement Area | 792 sqft |
| Family Room | Family Room |
| Flooring | Wood |
| Interior Walls | Plaster |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Traditional |
| Exterior Material | Brick |
| Construction Type | Brick |
| Foundation Type | Concrete |
| Roof Material | Asphalt |
| Lot Area | 4,356 sqft (0.1 acres) |
| Lot Dimensions | 132 ft deep x 33 ft wide |
| Driveway | Driveway |
| Driveway Area | 144 sqft |
| Porch | Open Porch |
|---|---|
| Porch Area | 96 sqft |
| Deck Area | 128 sqft |
| Patio Area | 128 sqft |
| Shed | 1 Shed |
| Shed Area | 352 sqft |
| Cooling System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1020 WILLIAMSON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-3526 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | HIS-TL, TR-V2 |
| Legal Description | ORIGINAL PLAT, AKA FARWELLS REPLAT, BLK 174, SW 1/2 OF LOT 15 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 13 |
| Legal Subdivision | ORIGINAL PLAT, AKA FARWELLS REPLAT, BLK |
| Legal Block | 174 |
| Legal Lot Number | 15 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 1901 |
1020 Williamson St is owned and occupied by an individual who acquired it in October 1993.
Source: Dane County records, as of January 22, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1020 WILLIAMSON ST, MADISON, WI 53703-3526 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 15, 2022 | Deed of Trust, Mortgage · Conventional Mortgage MONONA STATE BANK |
| Nov 8, 2021 | Deed of Trust, Mortgage · Conventional Mortgage OLD NATIONAL BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 1, 1993 |
| Deed Sale | Oct 1, 1993 |
| Deed Document Number | 0024794042 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 1020 WILLIAMSON ST, MADISON, WI 53703-3526 |
| Transaction Type | Mortgage |
| Record Updated | Mar 2, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0005812368 |
|---|---|
| Date | Feb 15, 2022 |
| Instrument | 5812368 |
| Name | MONONA STATE BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 1020 WILLIAMSON ST, MADISON, WI 53703-3526 |
| Transaction Type | Mortgage |
| Record Updated | Nov 24, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0005787517 |
|---|---|
| Date | Nov 8, 2021 |
| Instrument | 5787517 |
| Name | OLD NATIONAL BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 25, 2051 |
| Rate Type | Adjustable Rate |
|---|
Source: Dane County assessment roll, as of January 1, 2025
| 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 | $474,000 Land $175,300 Building $298,700 | ||
| 2024 | $8,038.00 | $474,000 | |
| 2023 | $438,900 Land $175,300 Building $263,600 | ||
| 2022 | $7,842.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1020 Williamson St in Zone X, an area of minimal flood risk.
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.
The area around 1020 Williamson St has no burnable land within ember reach, so its wildfire risk is not rated.
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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures