Dane County property record for 838 Williamson St, Madison, WI 53703
| Property Type | Commercial |
|---|---|
| Details | 47,391 sqft · built 2024 |
| Lot Size | 0.601 acres (26,184 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $181,154 (2025) |
| Deeds & Mortgages | Mar 2026 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-1314-5 |
| Primary APN | 0709-134-1314-5 |
|---|
| Units | 55 Units |
|---|---|
| Building Area | 47,391 sqft Gross Area |
| 1st Floor Area | 12,463 sqft |
| Year Built | Built 2024 |
|---|---|
| Effective Year Built | Effective 2024 |
| Lot Area | 26,184 sqft (0.601 acres) |
| Lot Dimensions | 134 ft deep x 198 ft wide |
| View / Lot | Traffic |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 838 WILLIAMSON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-4215 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Local Zoning Code | TSS |
| Legal Description | CERTIFIED SURVEY MAP 16387 AS RECORDED IN DANE COUNTY REGISTER OF DEEDS IN VOL 1 22 PG 89 OF CERTIFIED SURVEYS, LOT 1. |
| Legal Subdivision | CERTIFIED SURVEY MAP 16387 RECORDED |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 1901 |
Source: Dane County records, as of September 25, 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 | 1955 ATWOOD AVE, MADISON, WI 53704-5464 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 838 WILLIAMSON ST, MADISON, WI 53703-4215 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2026 |
| Name | Verified Name |
|---|---|
| Address | 1955 ALWOOD AVENUE #201 201, 201, MADISON, WI 53704-5465 |
| Document Number | 0006088767 |
|---|---|
| Date | Mar 30, 2026 |
| Instrument | 6088767 |
| Name | WINGS FINANCIAL CU |
|---|---|
| Type | Credit Union |
| Address | WINDSOR, WI 53598 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 0 Months |
| Due | Mar 30, 2026 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $181,154.00 (+918.23%) | $9,715,000 Land $1,005,000 Building $8,710,000 | |
| 2024 | $17,791.00 | $1,005,000 |
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 · 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.
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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