940 Wynstone Dr, Jefferson, SD 57038 Property Records

Union County property record for 940 Wynstone Dr, Jefferson, SD 57038

Property Summary

Property Type	Single Family Home
Details	4 bd · 7 ba · 2,722 sqft · built 1999
Lot Size	1.67 acres (72,963 sqft)
Owner	2 Individual Names on Record
Last Sale	$695,000 (Apr 2025)
Tax Bill	$8,480 (2026)
Deeds & Mortgages	May 2025 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`17.WS.03.1033`

Property Details

APN / Parcel Number

Primary APN	`17.WS.03.1033`

Interior

Bedrooms	4 Beds
Full Baths	7 Baths
Stories	2 Stories
Building Area	2,722 sqft Living Area
Basement Area	1,883 sqft
Finished Basement	1,883 sqft
Unfinished Basement	1,883 sqft
Flooring	Stone
Interior Walls	Stone
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Exterior Material	Combination
Construction Type	Wood
Foundation Type	Wood
Roof Material	Composition Shingle
Lot Area	72,963 sqft (1.67 acres)
Garage Type	Attached
Garage Area	1,238 sqft
Parking Spaces	5 Parking Spaces
Porch	Covered Porch
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Street Address	940 WYNSTONE DR
City	JEFFERSON
State	SD
Zip	57038-6868
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 33 WYNSTONE 3RD ADD PHASE 1 (1.675A)
Legal Range	07W
Legal Township	30N
Legal Section	36
Legal Subdivision	WYNSTONE 3RD ADD
Legal Phase	1
Legal Lot Number	33
Legal Unit	1
Jurisdiction	UNION SD
Township / Civil Division	JEFFERSON
Census Block Group	3
Census Block	3047
Census Tract	20302

Owner

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 Individual Names on Record
Mailing Address	940 WYNSTONE DR, JEFFERSON, SD 57038-6868
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 22, 2025 · Amount on Record
Deed Sale	Apr 22, 2025 · Amount on Record
Deed Document Number	2025
Prior Transfer Date	May 18, 2012
Prior Transfer Doc	00102/0258
Record Updated	Oct 29, 2026

May 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	UNION SD
Recording Date	May 1, 2025
Property Address	940 WYNSTONE DR, JEFFERSON, SD 57038-6868
Document Number	000115/235
Book / Page	115 / 235
Instrument Date	Apr 22, 2025
Instrument	250906
Transaction Type	Transfer
Record Updated	Oct 6, 2025

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$695.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	409 LAKESHORE DR, MCCOOK LAKE, SD 57049-4004

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	940 WYNSTONE DR, JEFFERSON, SD 57038-6868

Mortgage

Document Number	0000186269
Date	May 1, 2025
Instrument	186/269

Lender

Name	CENTRAL BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2055

Interest

Rate Type	Adjustable Rate
Rate	6.5%
Adjustable	Adjustable Rate Rider
Type Change Date	May 1, 2030
Change Frequency	Annually
Min Rate At Change	6.5%
Max Rate At Change	8.5%
Index	1-Year CMT
Margin	3
Max Rate	12.5%

Tax Assessment & Valuation

Source: Union County assessment roll, as of October 6, 2025

Property Jurisdictions

Type	Name
State	South Dakota
County	Union County
County Subdivision	Jefferson Township
Unified School District	Dakota Valley School District 61-8 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026	$8,480.00	$624,240 (-) Land $104,337 Building $519,903
2025	$8,480.00 (+9.38%)	$624,240 (+20.69%) Land $104,337 Building $519,903
2024	$7,753.00 (+9.1%)
2023	$7,106.00 (+12.7%)	$517,228 Land $87,556 Building $429,672
2022	$6,305.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

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
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	Severe Storms, Straight-line Winds, And Flooding, Jun 2024 · 2 claims

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 44% of the US · lower than 69% of South Dakota
Wildfire Likelihood	0.07% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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