Madison County property record for 503 E Jefferson St, Winterset, IA 50273
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,960 sqft · built 1868 |
| Lot Size | 0.424 acres (18,480 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $9,830 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 820002215050000 |
| Primary APN | 820002215050000 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,960 sqft Living Area |
| 1st Floor Area | 1,522 sqft |
| Basement Area | 1,562 sqft |
| Unfinished Basement | 1,562 sqft |
| Game Room | Game Room |
| Flooring | Hardwood |
| Interior Walls | Plaster |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1868 |
|---|---|
| Effective Year Built | Effective 1868 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Wood |
| Lot Area | 18,480 sqft (0.424 acres) |
| Lot Dimensions | 140 ft deep x 132 ft wide |
| Garage Type | Mixed |
| Garage Area | 704 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
| Porch Area | 1,046 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Water Source | Commercial |
| Street Address | 503 E JEFFERSON ST |
|---|---|
| City | WINTERSET |
| State | IA |
| Zip | 50273-1439 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S140 1/4' OF W132'2" LOT 15 ORIG OUT LOTS EAST |
| Legal Lot Number | 15 |
| Jurisdiction | MADISON IA |
| Township / Civil Division | WINTERSET |
| Census Block Group | 3 |
| Census Block | 3030 |
| Census Tract | 60200 |
503 E Jefferson St is owner-occupied and held in a trust.
Source: Madison County records, as of May 27, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 503 E JEFFERSON ST, WINTERSET, IA 50273-1439 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 503 E Jefferson St was $9,830 with a homeowner's exemption.
Source: Madison County assessment roll, as of October 20, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Madison County |
| Municipality | Winterset City |
| Unified School District | Winterset Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $9,830.00 Homeowner's exemption | $539,700 Land $37,000 Building $502,700 | $539,700 Land $37,000 Building $502,700 |
| 2024 | $9,830.00 | ||
| 2023 | $526,000 Land $26,700 Building $499,300 | $526,000 Land $26,700 Building $499,300 | |
| 2022 | $8,774.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 503 E Jefferson St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective June 21, 2017
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 503 E Jefferson St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 91% of Iowa |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | WINTERSET MUNICIPAL WATERWORKS serves 5,428 people · EPA ID IA6171029 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2025 |
| Lead | 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | Treatment failure resolved · Oct 2018 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 371 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: OmniTel-Interstate Cablevision, Verizon.
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