Dane County property record for 825 Williamson St, Madison, WI 53703
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 864 sqft · built 2000 |
| Lot Size | 0.1 acres (4,356 sqft) |
| Owner | Company Name on File |
| Last Sale | $800,000 (Apr 2024) |
| Tax Bill | $14,559 (2025) |
| Deeds & Mortgages | Jul 2022 Mortgage Dec 2022 Line of Credit + 5 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-134-1409-4 |
| Primary APN | 0709-134-1409-4 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 864 sqft Living Area |
| Gross Area | 1,440 sqft |
| 1st Floor Area | 576 sqft |
| 2nd Floor Area | 765 sqft |
| Basement Area | 765 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2022 |
| Architectural Style | Old Style |
| Exterior Material | Aluminum/Vinyl |
| Roof Material | Asphalt |
| Lot Area | 4,356 sqft (0.1 acres) |
| Lot Dimensions | 132 ft deep x 33 ft wide |
| View / Lot | Traffic |
| Garage Type | Detached |
| Garage Area | 576 sqft |
| Driveway | Concrete Driveway |
| Driveway Area | 148 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Frame Porch |
| Porch Area | 198 sqft |
| Cooling System | None |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 825 WILLIAMSON ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-3547 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | TSS |
| Legal Description | ORIGINAL PLAT, BLK 148, SW 1/2 OF LOT 5. |
| Legal Range | 09E |
| Legal Township | 07N |
| Legal Section | 13 |
| Legal Quarter | 4 |
| Legal Subdivision | ORIGINAL PLAT, BLK 148, SW 1/2 OF |
| Legal Block | 148 |
| Legal Lot Number | 5 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 1901 |
Source: Dane County records · APN 0709-134-1409-4
Assessment roll updated March 16, 2026 · Last verified April 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 | 1705 NATIONAL AVE, MADISON, WI 53716-1960 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Jul 06, 2022 | Deed of Trust, Mortgage · Conventional Mortgage JOHNSON BANK |
| Dec 30, 2022 | Deed of Trust, Mortgage · Line of Credit HEARTLAND CU |
| Oct 16, 2023 | Deed of Trust, Mortgage · Line of Credit UNIVERSITY OF WISCONSIN CU |
| Apr 16, 2024 | Warranty Deed, Transfer · Commercial Mortgage PARK BANK |
| May 04, 2022 | Warranty Deed, Transfer |
| Dec 01, 2020 | Deed of Trust, Mortgage · Commercial Mortgage TOWN BANK |
| Jul 02, 2020 | Warranty Deed, Transfer · Commercial Mortgage TOWN BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 16, 2024 · Amount on Record |
| Deed Sale | Apr 16, 2024 · Amount on Record |
| Prior Sale | May 04, 2022 · Amount on Record |
| Deed Document Number | 20245956820 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0005846221 |
|---|---|
| Date | Jul 06, 2022 |
| Instrument | 5846221 |
| Name | JOHNSON BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0005880277 |
|---|---|
| Date | Dec 30, 2022 |
| Instrument | 5880277 |
| Name | HEARTLAND CU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 60 Months |
| Due | Dec 29, 2027 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0005929252 |
|---|---|
| Date | Oct 16, 2023 |
| Instrument | 5929252 |
| Name | UNIVERSITY OF WISCONSIN CU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 15, 2053 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DANE WI |
| Recording Date | Apr 16, 2024 |
| Property Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Document Number | 0005956820 |
| Instrument Date | Apr 05, 2024 |
| Instrument | 5956820 |
| Transaction Type | Transfer |
| Record Updated | May 25, 2026 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,400.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1705 NATIONAL AVE, MADISON, WI 53716-1960 |
| Document Number | 0005956821 |
|---|---|
| Date | Apr 16, 2024 |
| Instrument | 5956821 |
| Name | PARK BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Number | 0005956822 |
|---|---|
| Date | Apr 16, 2024 |
| Instrument | 5956822 |
| Name | CITY OF MADISON |
|---|---|
| Type | Government Agency |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DANE WI |
| Recording Date | May 04, 2022 |
| Property Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Document Number | 0005831075 |
| Instrument Date | May 03, 2022 |
| Instrument | 5831075 |
| Transaction Type | Transfer |
| Record Updated | May 25, 2026 |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,740.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Transaction Type | Mortgage |
| Record Updated | Jun 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0005668262 |
|---|---|
| Date | Dec 01, 2020 |
| Instrument | 5668262 |
| Name | TOWN BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DANE WI |
| Recording Date | Jul 02, 2020 |
| Property Address | 825 WILLIAMSON ST, MADISON, WI 53703-3547 |
| Document Number | 0005608722 |
| Instrument Date | Jun 30, 2020 |
| Instrument | 5608722 |
| Transaction Type | Transfer |
| Record Updated | Jun 14, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,095.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 118 E WASHINGTON AVE, MADISON, WI 53703-4678 |
| Document Number | 0005608723 |
|---|---|
| Date | Jul 02, 2020 |
| Instrument | 5608723 |
| Name | TOWN BANK |
|---|
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Fixed Rate |
|---|
Source: Dane County records · Assessment roll updated March 16, 2026 · Last verified April 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 | $14,559.00 (+43.86%) Homeowner's exemption | $800,000 (+37.93%) Land $210,500 Building $589,500 | |
| 2024 | $10,120.00 (+30.03%) | $591,600 (+1.43%) | |
| 2023 | $580,000 Land $210,500 Building $369,500 | $583,266 | |
| 2022 | $7,783.00 |
Source: FEMA National Flood Hazard Layer as of September 20, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Nearby Flood Policies | 6 in force |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: 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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