Union County property record for 999 Wynstone Dr, Jefferson, SD 57038
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd |
| Lot Size | 1.35 acres (58,806 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $92,000 (Nov 2018) |
| Tax Bill | $20,251 (2026) |
| Deeds & Mortgages | Jun 2021 Construction Loan Nov 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 17.WS.12.1114 |
| Primary APN | 17.WS.12.1114 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Stories | 1 Story |
| Basement Area | 7,406 sqft |
| Finished Basement | 7,406 sqft |
| Flooring | Stone |
| Interior Walls | Stone |
| Exterior Material | Combination |
|---|---|
| Foundation Type | Stone |
| Roof Material | Composition Shingle |
| Lot Area | 58,806 sqft (1.35 acres) |
| Garage Type | Mixed |
| Garage Area | 1,738 sqft |
| Parking Spaces | 7 Parking Spaces |
| Porch | Open Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 999 WYNSTONE DR |
|---|---|
| City | JEFFERSON |
| State | SD |
| Zip | 57038-6875 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 114 WYNSTONE 12TH ADD PHASE 1 (1.35A) |
| Legal Range | 07W |
| Legal Township | 30N |
| Legal Section | 36 |
| Legal Subdivision | WYNSTONE 12TH ADD |
| Legal Phase | 1 |
| Legal Lot Number | 114 |
| Legal Unit | 1 |
| Jurisdiction | UNION SD |
| Township / Civil Division | JEFFERSON |
| Census Block Group | 3 |
| Census Block | 3047 |
| Census Tract | 20302 |
999 Wynstone Dr is owned and occupied by two individuals who bought it in November 2018.
Source: Union County records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 999 WYNSTONE DR, JEFFERSON, SD 57038-6875 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| Jun 30, 2021 | Deed of Trust, Mortgage · Construction Mortgage CENTRAL BANK |
| Nov 21, 2018 | Warranty Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 9, 2018 · Amount on File |
| Deed Sale | Nov 9, 2018 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | UNION SD |
| Property Address | 999 WYNSTONE DR, JEFFERSON, SD 57038-6875 |
| Transaction Type | Mortgage |
| Record Updated | Jan 16, 2026 |
| Name | Verified Name |
|---|---|
| Address | 622 LAKEVIEW DR, MCCOOK LAKE, SD 57049-4093 |
| Document Number | 000178/698 |
|---|---|
| Date | Jun 30, 2021 |
| Book Page | 178/698 |
| Instrument | 213178 |
| Name | CENTRAL BANK |
|---|---|
| Type | Bank |
| Address | SPIRIT LAKE, IA 51360 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 373 Months |
| Due | Jul 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
| Type Change Date | Jul 1, 2029 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 4.75% |
| Index | 1-Year CMT |
| Margin | 3 |
| Max Rate | 8.75% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | UNION SD |
| Recording Date | Nov 21, 2018 |
| Property Address | 999 WYNSTONE DR, JEFFERSON, SD 57038-6875 |
| Document Number | 00108/0783 |
| Book / Page | 108 / 0783 |
| Instrument Date | Nov 9, 2018 |
| Instrument | 185007 |
| Transaction Type | Transfer |
| Record Updated | Jan 16, 2026 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 125 GATEWAY DR, NORTH SIOUX CITY, SD 57049-5405 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 622 LAKEVIEW DR, MCCOOK LAKE, SD 57049-4093 |
The 2026 property tax bill for 999 Wynstone Dr was $20,251, up % from the year before.
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 | $20,251.00 (+%) | $1,490,658 (-) Land $78,800 Building $1,411,858 |
| 2025 | $20,250.00 (+10.73%) | $1,490,658 Land $78,800 Building $1,411,858 |
| 2024 | $18,288.00 (+7.63%) | |
| 2023 | $16,992.00 (+70.29%) | $1,236,776 Land $71,155 Building $1,165,621 |
| 2022 | $9,978.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 999 Wynstone Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2024.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File 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.
Wildfire risk around 999 Wynstone Dr is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 85% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.03% 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 | 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 10 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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