Dane County property record for 503 S Baldwin St, Madison, WI 53703
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,826 sqft · built 1904 |
| Lot Size | 0.05 acres (2,178 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $7,604 (2024) |
| Deeds & Mortgages | Jan 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0710-072-2316-9 |
| Primary APN | 0710-072-2316-9 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,826 sqft Living Area |
| 1st Floor Area | 926 sqft |
| 2nd Floor Area | 900 sqft |
| Attic Area | 512 sqft |
| Basement Area | 900 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Traditional |
| Exterior Material | Wood |
| Construction Type | Wood |
| Foundation Type | Block |
| Roof Material | Asphalt |
| Lot Area | 2,178 sqft (0.05 acres) |
| Lot Dimensions | 66 ft deep x 33 ft wide |
| Driveway | Driveway |
| Driveway Area | 140 sqft |
| Porch | Enclosed Porch |
| Porch Area | 292 sqft |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 503 S BALDWIN ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53703-4371 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | HIS-TL, TR-C4 |
| Legal Description | ORIGINAL PLAT, AKA FARWELLS REPLAT, BLK 210, NW 33 FT OF LOT 1 |
| Legal Range | 10 |
| Legal Township | 07 |
| Legal Section | 07 |
| Legal Subdivision | ORIGINAL PLAT, AKA FARWELLS REPLAT, BLK |
| Legal Block | 210 |
| Legal Lot Number | 1 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 1901 |
503 S Baldwin St, a duplex, is owned by two individuals who acquired it in August 1996.
Source: Dane County records, as of January 22, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 6477 W BUTTERCUP AVE, WAUTOMA, WI 54982 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Aug 1, 1996 |
| Deed Sale | Aug 1, 1996 |
| Deed Document Number | 0092788389 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 503 S BALDWIN ST, MADISON, WI 53703-4371 |
| Transaction Type | Mortgage |
| Record Updated | May 1, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0005808570 |
|---|---|
| Date | Jan 31, 2022 |
| Instrument | 5808570 |
| Name | SUMMIT CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 1, 2052 |
| Rate Type | Fixed 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 | $434,300 Land $101,000 Building $333,300 | ||
| 2024 | $7,604.00 | $434,300 | |
| 2023 | $394,800 Land $101,000 Building $293,800 | ||
| 2022 | $7,159.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 503 S Baldwin St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2018.
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 | 7 in force |
| Nearby Flood Claims | 1 (2018) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2018 · river or lake flooding |
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 503 S Baldwin 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 479 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| LiteWire Fixed Wireless | 100 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Four Lakes Broadband, Verizon.
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