Dane County property record for 321 S Hamilton St, Madison, WI 53703
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 995 sqft · built 1900 |
| Lot Size | 0.081 acres (3,563 sqft) |
| Owner | Individual Name on File |
| Last Sale | $108,500 (Aug 1983) |
| Tax Bill | $6,466 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-242-1103-3 |
| Primary APN | 0709-242-1103-3 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 995 sqft Total Area |
| 1st Floor Area | 995 sqft |
| 2nd Floor Area | 995 sqft |
| Year Built | Built 1900 |
|---|---|
| Exterior Material | Brick/Stone |
| Lot Area | 3,563 sqft (0.081 acres) |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 321 S HAMILTON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-4032 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | HIS-L, PD |
| Legal Description | ORIGINAL PLAT, PRT LOT 3, BLOCK 69, DESC AS FLWS: BEG PT OF INTERS E LN S HAMILT ON ST AND SWLY LN S HENRY ST, TH S 45 DEG 17 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 24 |
| Legal Subdivision | ORIGINAL PLAT, PRT |
| Legal Block | 69 |
| Legal Lot Number | 3 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 1704 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Stoner, Joseph J., House listed 1980 · 1 contributing resources · NRIS 80000129 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
321 S Hamilton St, a commercial property, is owned and occupied by an individual who bought it in August 1983.
Source: Dane County records, as of January 22, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 321 S HAMILTON ST, MADISON, WI 53703-4032 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 1, 1983 · Amount on File |
| Deed Sale | Aug 1, 1983 · Amount on File |
| Deed Document Number | 0000484538 |
| Record Updated | Jun 8, 2026 |
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 | $370,000 Land $145,000 Building $225,000 | ||
| 2024 | $6,466.00 | $370,000 | |
| 2023 | $370,000 Land $145,000 Building $225,000 | ||
| 2022 | $6,058.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 321 S Hamilton St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 20, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 321 S Hamilton 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 251 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| LiteWire Fixed Wireless · Fiber in parts of the area | 100 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · Fiber in parts of the area | 100 / 20 |
May also be available: Four Lakes Broadband, Verizon.
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