Union County property record for 964 Wynstone Dr, Jefferson, SD 57038
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 9 ba · 5,835 sqft · built 1999 |
| Lot Size | 22.2 acres (969,689 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,300,000 (Oct 2009) |
| Tax Bill | $30,271 (2026) |
| Flood Zone | Zone X (moderate risk) |
| APN | 17.WS.01.1020 |
| Primary APN | 17.WS.01.1020 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 9 Baths |
| Stories | 2 Stories |
| Building Area | 5,835 sqft Living Area |
| Basement Area | 3,278 sqft |
| Finished Basement | 3,278 sqft |
| Unfinished Basement | 3,041 sqft |
| Flooring | Stone |
| Interior Walls | Stone |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Foundation Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 969,689 sqft (22.2 acres) |
| Garage Type | Attached |
| Garage Area | 5,655 sqft |
| Parking Spaces | 19 Parking Spaces |
| Porch | Open Porch |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Street Address | 964 WYNSTONE DR |
|---|---|
| City | JEFFERSON |
| State | SD |
| Zip | 57038-6868 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 20, 21 & 22 WYNSTONE FIRST ADD PHASE 1 (22.261A) |
| Legal Range | 07W |
| Legal Township | 30N |
| Legal Section | 36 |
| Legal Subdivision | WYNSTONE FIRST ADD |
| Legal Phase | 1 |
| Legal Lot Number | 20-22 |
| Legal Unit | 2 |
| Jurisdiction | UNION SD |
| Township / Civil Division | JEFFERSON |
| Census Block Group | 3 |
| Census Block | 3047 |
| Census Tract | 20302 |
Source: Union County records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 964 WYNSTONE DR, JEFFERSON, SD 57038-6868 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 1, 2009 · Amount on Record |
| Deed Sale | Oct 1, 2009 · Amount on Record |
| Deed Document Number | 20094935 |
| Deed Book / Page | 99 / 544 |
| Record Updated | Oct 29, 2026 |
Source: Union County assessment roll, as of October 6, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Union County |
| County Subdivision | Jefferson Township |
| Unified School District | Dakota Valley School District 61-8 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $30,271.00 (+%) | $2,174,705 (-) Land $744,025 Building $1,430,680 |
| 2025 | $30,270.00 (+7.43%) | $2,174,705 (+18.61%) Land $744,025 Building $1,430,680 |
| 2024 | $28,177.00 (+8.78%) | |
| 2023 | $25,903.00 (+12.71%) | $1,833,428 Land $651,048 Building $1,182,380 |
| 2022 | $22,981.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective May 31, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 18 policies |
| Nearby Flood Policies | 18 in force |
| Nearby Flood Claims | 2 (2024) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jun 2024 · Severe Storms, Straight-line Winds, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 89% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
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 | CLAY RWS/SOUTH UNION private · serves 1,447 people · EPA ID SD4602185 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2024 |
| Lead | 1 ppb (2025) 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 76 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Long Lines Metro Cable | 1,500 / 50 |
| Sparklight Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
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