Lyon County property record for 509 Main St, Doon, IA 51235
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,444 sqft · built 1925 |
| Lot Size | 0.329 acres (14,355 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $4,100 (Oct 1987) |
| Tax Bill | $660 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 430000011100000 |
| Primary APN | 430000011100000 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,444 sqft Living Area |
| 1st Floor Area | 1,416 sqft |
| Basement Area | 1,062 sqft |
| Game Room | Game Room |
| Interior Walls | Plaster |
| Year Built | Built 1925 |
|---|---|
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Foundation Type | Stone |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 14,355 sqft (0.329 acres) |
| Lot Dimensions | 145 ft deep x 99 ft wide |
| Garage Type | Detached |
| Garage Area | 416 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 100 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Water Source | Commercial |
| Street Address | 509 MAIN ST |
|---|---|
| City | DOON |
| State | IA |
| Zip | 51235-7704 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SINGLE-FAMILY DWELLINGS |
| Legal Description | DOON O. T. LOT 4 & E 1/2 OF LOT 5, BLK 18 |
| Legal Block | 18 |
| Legal Lot Number | 4,5 |
| Jurisdiction | LYON IA |
| Township / Civil Division | DOON |
| Census Block Group | 6 |
| Census Block | 6081 |
| Census Tract | 950300 |
509 Main St is owned by a company that bought it in October 1987.
Source: Lyon County records, as of October 9, 2025
| Owner of Record | 2 Company Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 608 MAIN ST, DOON, IA 51235-7703 |
| Owner Type | Individual, Secondary Company |
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 | Oct 20, 1987 · Amount on File |
| Deed Sale | Oct 20, 1987 · Amount on File |
| Deed Document Number | 0000311395 |
| Record Updated | Jun 8, 2026 |
Source: Lyon County assessment roll, as of May 1, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Lyon County |
| Municipality | Doon City |
| Unified School District | Central Lyon Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $63,530 Land $14,700 Building $48,830 | $63,530 Land $14,700 Building $48,830 | |
| 2024 | $660.00 | ||
| 2023 | $50,750 (+14.61%) Land $14,700 Building $36,050 | $50,750 Land $14,700 Building $36,050 | |
| 2022 | $600.00 | $44,280 Land $14,700 Building $29,580 | |
| 2021 | $44,280 Land $14,700 Building $29,580 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 509 Main St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 23, 2021 · 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 | 1 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.
Wildfire risk around 509 Main 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 | DOON WATER SUPPLY serves 619 people · EPA ID IA6015047 |
|---|---|
| Water Source | Purchased groundwater from LYON-SIOUX RWS-DOON |
| Last State Inspection | Oct 2024 |
| Lead | 4 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 212 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Premier Communications Fiber · Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, T-Mobile.
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