Dane County property record for 824 Williamson St, Madison, WI 53703
| Property Type | Apartment House (2-4 Units) |
|---|---|
| Details | 6,814 sqft · built 1948 |
| Lot Size | 0.384 acres (16,762 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,500,000 (Sep 2004) |
| Tax Bill | $130,564 (2024) |
| Deeds & Mortgages | Sep 2020 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-1306-2 |
| Primary APN | 0709-134-1306-2 |
|---|
| Units | 53 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 6,814 sqft Total Area |
| 1st Floor Area | 11,349 sqft |
| 2nd Floor Area | 11,349 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1948 |
|---|---|
| Exterior Material | Brick |
| Foundation Type | Concrete |
| Roof Material | Asphalt |
| Lot Area | 16,762 sqft (0.384 acres) |
| Total Buildings | 2 Buildings |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 824 WILLIAMSON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-3567 |
| Property Category | Commercial |
| Property Type | Residential > Multi-Unit > Apartment House (2-4 Units) |
| Local Zoning Code | HIS-TL, PD |
| Legal Description | ORIGINAL PLAT, BLK 147, LOTS 15 & 16 EXC THE SWLY 5 FT OF LOT 16 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 13 |
| Legal Subdivision | MADISON |
| Legal Block | 147 |
| Legal Lot Number | 16 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 1901 |
824 Williamson St, a residential property, is owned by a company that bought it in September 2004.
Source: Dane County records, as of January 22, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 121 S PINCKNEY ST # 40, 40, MADISON, WI 53703-3338 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 1, 2004 · Amount on File |
| Deed Sale | Sep 1, 2004 · Amount on File |
| Deed Document Number | 0094038661 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 824 WILLIAMSON ST, MADISON, WI 53703-3567 |
| Document Number | 0005641089 |
| Instrument Date | Sep 24, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2020 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 121 S PINCKNEY ST #200 MADISON WI 537035117, 200, MADISON, WI 53703-5117 |
| Investor | Possibly a Property Investor |
| Document Number | 0005641089 |
|---|---|
| Date | Sep 25, 2020 |
| Instrument | 5641089 |
| Name | OLD NAT'L BK |
|---|---|
| Type | Bank |
| Address | 25 W MAIN ST # 200, MADISON, WI 53703-4298 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
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 | $130,564.00 | $7,380,000 (-4.66%) Land $445,000 Building $6,935,000 | $7,380,000 |
| 2023 | $7,741,000 Land $445,000 Building $7,296,000 | ||
| 2022 | $129,923.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 824 Williamson St in Zone X, an area of minimal flood risk.
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.
The area around 824 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 |
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