309 N Duff St, Plankinton, SD 57368 Property Records

Aurora County property record for 309 N Duff St, Plankinton, SD 57368

Property Summary

Property Type	Single Family Home
Lot Size	4 acres (174,240 sqft)
Owner	Individual Name on File
Tax Bill	$593 (2025)
Flood Zone	Zone X (minimal risk)
APN	`3974`

Property Details

APN / Parcel Number

Primary APN	`3974`

Exterior

Lot Area	174,240 sqft (4 acres)
Lot Dimensions	142 ft deep x 100 ft wide

Location & Zoning

Street Address	309 N DUFF ST
City	PLANKINTON
State	SD
Zip	57368
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 THRU 4 BLK 9 MIRACLE & CLARKS 1ST ADDITION TO THE CITY OF PLANKINTON
Legal Subdivision	MIRACLE & CLARKS 1ST ADDITION
Legal Block	9
Legal Lot Number	1
Jurisdiction	AURORA SD
Township / Civil Division	PLANKINTON
Census Block Group	1
Census Block	1057
Census Tract	973600

Owner

Source: Aurora County assessment roll, APN 3974, as of December 23, 2025 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	309 N DUFF ST, PLANKINTON, SD 57368
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 06, 1990
Deed Sale	Feb 06, 1990
Deed Book / Page	53 / 43
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Aurora County assessment roll as of December 23, 2025 · Last verified July 2026

Property Jurisdictions

Type	Name
State	South Dakota
County	Aurora County
Municipality	Plankinton City
Unified School District	Plankinton School District 01-1 (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$593.00 (-26.24%)	$50,670 (-44.67%) Land $4,260 Building $46,410
2024	$804.00
2023		$91,570 Land $4,970 Building $86,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Aurora County (46003C), as of February 2, 2017 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 460039736001, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	1 (2019)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Mar 2019 · Severe Winter Storm, Snowstorm, And Flooding

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 96% of South Dakota
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, 217 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Golden West Telecommunications Cooperative Fiber	1,000 / 1,000
T-Mobile USA Fixed Wireless	100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System, water system SD4600245, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	PLANKINTON serves 782 people
Water Source	Purchased surface water from AURORA-BRULE RURAL WATER SYSTEM
Last State Inspection	Feb 2025
Lead	2 ppb (2024) 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.