903 Walnut St, Yankton, SD 57078 Property Records

Yankton County property record for 903 Walnut St, Yankton, SD 57078

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,157 sqft · built 1920
Lot Size0.18 acres (7,841 sqft)
OwnerIndividual Name on File
Tax Bill$2,152 (2025)
Flood ZoneZone X (minimal risk)
APN78.900.005.070

Property Details

APN / Parcel Number

Primary APN78.900.005.070

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,157 sqft Living Area
Basement Area768 sqft
Unfinished Basement984 sqft
FlooringHardwood

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1920
Exterior MaterialWood Siding
Construction TypeWood
Foundation TypeRaised
Roof TypeGable
Roof MaterialAsphalt
Lot Area7,841 sqft (0.18 acres)
Garage TypeDetached
Garage Area1,024 sqft
Parking Spaces3 Parking Spaces
PorchPorch
Porch Area96 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Street Address903 WALNUT ST
CityYANKTON
StateSD
Zip57078-3507
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLT 7 BLK 5 WETMORE & STEWARTS ADDN
Legal SubdivisionWETMORE & STEWART
Legal Block5
Legal Lot Number7
JurisdictionYANKTON SD
Township / Civil DivisionYANKTON
Census Block Group2
Census Block2014
Census Tract966100

Owner

903 Walnut St is owned and occupied by an individual.

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

Owner of RecordIndividual Name on File
Mailing Address903 WALNUT ST, YANKTON, SD 57078-3507
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 903 Walnut St was $2,152.

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$162,900 Land $9,900 Building $153,000$162,900 Land $9,900 Building $153,000
2025$2,152.00
2023$143,500 Land $9,900 Building $133,600
2022$1,766.00

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

Flood

FEMA maps place 903 Walnut St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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 Policies2 in force
Nearby Flood Claims9 (1984–2019)
Most Recent ClaimMar 2019 · Severe Winter Storm, Snowstorm, And Flooding

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

Wildfire risk around 903 Walnut St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.8% of the US · lower than 99.5% of South Dakota
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
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 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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