512 Walnut St, Yankton, SD 57078 Property Records

Yankton County property record for 512 Walnut St, Yankton, SD 57078

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 912 sqft · built 1926
Lot Size0.14 acres (6,098 sqft)
OwnerIndividual Name on Record
Last Sale$69,500 (Apr 2005)
Tax Bill$1,593 (2025)
Flood ZoneZone X (minimal risk)
APN78.790.050.030

Property Details

APN / Parcel Number

Primary APN78.790.050.030

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area912 sqft Living Area
Basement Area768 sqft
Finished Basement768 sqft
Unfinished Basement768 sqft
FlooringHardwood

Exterior

Year BuiltBuilt 1926
Effective Year BuiltEffective 1926
Exterior MaterialWood Siding
Construction TypeWood
Foundation TypeRaised
Roof TypeGable
Roof MaterialAsphalt
Lot Area6,098 sqft (0.14 acres)

Exterior Amenities

PorchPorch
Porch Area96 sqft
Shed1 Shed
Shed Area912 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Street Address512 WALNUT ST
CityYANKTON
StateSD
Zip57078-4043
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLT 3 EXC S4 BLK 50 TODDS ADDN
Legal SubdivisionTODDS ADDN
Legal Block50
Legal Lot Number3
JurisdictionYANKTON SD
Township / Civil DivisionYANKTON
Census Block Group4
Census Block4015
Census Tract966100

Owner

Source: Yankton County records, as of October 1, 2026

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

Owner of RecordIndividual Name on Record
Mailing Address512 WALNUT ST, YANKTON, SD 57078-4043
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 29, 2005 · Amount on Record
Deed SaleApr 29, 2005 · Amount on Record
Deed Book / Page455 / 48
Last Transfer DateSep 16, 2013
Transfer Doc515/003
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Yankton County assessment roll, as of October 1, 2026

Property Jurisdictions

TypeName
StateSouth Dakota
CountyYankton County
MunicipalityYankton City
Unified School DistrictYankton School District 63-3 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$120,100 (-) Land $11,100 Building $109,000$120,100 (+7.81%) Land $11,100 Building $109,000
2025$1,593.00 (-7.44%)$120,100 (+13.41%) Land $11,100 Building $109,000
2023$105,900 Land $11,100 Building $94,800
2022$1,721.00
2021$111,400 Land $9,200 Building $102,200

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective February 13, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims1 (1997)
Most Recent ClaimApr 1997 · Severe Flooding, Sever Winter Storms,heavy Rains High Winds

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 RiskNot rated
no burnable land within 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 SystemYANKTON
serves 15,411 people · EPA ID SD4600423
Water SourceGroundwater
Last State InspectionAug 2023
Also Mapped HereBY WATER DISTRICT
LeadUnder 1 ppb (2024)
action level 15 ppb

Violations Reported to EPA

Water QualityTotal trihalomethanes
resolved · Jan 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 437 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Midco
Cable
1,250 / 60
Bluepeak
Cable · Fiber in parts of the area
1,000 / 30
Verizon
Fixed Wireless
300 / 20
AT&T
Fixed Wireless
100 / 20

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