Yankton County property record for 509 Davis St, Gayville, SD 57031
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,052 sqft · built 1959 |
| Lot Size | 0.207 acres (9,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,877 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 31.100.011.050 |
| Primary APN | 31.100.011.050 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,052 sqft Living Area |
| Basement Area | 832 sqft |
| Finished Basement | 832 sqft |
| Unfinished Basement | 832 sqft |
| Flooring | Other |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Foundation Type | Raised |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 9,000 sqft (0.207 acres) |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 509 DAVIS ST |
|---|---|
| City | GAYVILLE |
| State | SD |
| Zip | 57031-2010 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 5 & W10 LT 4 BLK 11 ORIGINAL TOWN |
| Legal Subdivision | ORIGINAL TOWN |
| Legal Block | 11 |
| Legal Lot Number | 4,5,W10 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | GAYVILLE |
| Census Block Group | 5 |
| Census Block | 5074 |
| Census Tract | 966400 |
509 Davis St, a single family home, is owned by an individual.
Source: Yankton County records, as of October 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 53, GAYVILLE, SD 57031-0053 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 509 Davis St was $1,877, up 10.2% from the year before.
Source: Yankton County assessment roll, as of October 1, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Yankton County |
| Municipality | Gayville Town |
| Unified School District | Gayville-Volin School District 63-1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $155,500 (-) Land $6,300 Building $149,200 | $155,500 Land $6,300 Building $149,200 | |
| 2025 | $1,877.00 (+10.22%) | $155,500 Land $6,300 Building $149,200 | |
| 2024 | $1,703.00 | ||
| 2023 | $119,100 Land $6,300 Building $112,800 | ||
| 2022 | $1,297.00 | ||
| 2021 | $83,300 Land $6,300 Building $77,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 509 Davis St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective February 13, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
| Flood Insurance Cost | Premium on File median of 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 11 (1997–2019) |
| Claims Outside the SFHA | 5 of 11 |
| Most Recent Claim | Sep 2019 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
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 Davis St is low, with 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 98% of South Dakota |
|---|---|
| Wildfire Likelihood | 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 | GAYVILLE serves 392 people · EPA ID SD4600140 |
|---|---|
| Water Source | Purchased groundwater from CLAY RURAL WATER SYSTEM |
| Last State Inspection | Dec 2024 |
| Lead | 1 ppb (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.
Source: FCC Broadband Data Collection, based on 92 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 1,250 / 60 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| South Dakota Wireless Internet Fixed Wireless | 100 / 20 |
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