306 Walnut St, Yankton, SD 57078 Property Records

Yankton County property record for 306 Walnut St, Yankton, SD 57078

Property Summary

Property TypeOffice Building
Details1,155 sqft · built 1967
Lot Size0.03 acres (1,307 sqft)
OwnerCompany Name on Record
Tax Bill$854 (2024)
Flood ZoneZone X (minimal risk)
APN78.790.026.070

Property Details

APN / Parcel Number

Primary APN78.790.026.070

Interior

Stories1 Story
Building Area1,155 sqft Total Area

Exterior

Year BuiltBuilt 1967
Roof MaterialBuilt-Up Asphalt
Lot Area1,307 sqft (0.03 acres)

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemHVAC

Location & Zoning

Street Address306 WALNUT ST
CityYANKTON
StateSD
Zip57078-4345
Property CategoryCommercial
Property TypeCommercial > Office > Office Building
Legal DescriptionS32 W1/6 & S32 W11 E2 W1/3 LT 7 & N1 W36 W1/3 LT 8 BLK 26 TODDS
Legal SubdivisionTODD'S
Legal Block26
Legal Lot Number7,8,N1
JurisdictionYANKTON SD
Township / Civil DivisionYANKTON
Census Block Group4
Census Block4027
Census Tract966100

Owner

Source: Yankton County records, as of January 15, 2026

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

Owner of RecordCompany Name on Record
Co-ownerCo-owner on Record
Mailing Address801 BRENTWOOD CIR, YANKTON, SD 57078-5154
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateJul 3, 2006
Transfer Doc000464/148
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

Source: Yankton County assessment roll, as of November 1, 2025

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$51,300 (+8%) Land $4,600 Building $46,700
2024$854.00 (-9.15%)
2023$47,500 Land $4,200 Building $43,300
2022$940.00

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

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
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 195 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Midco
Cable
1,250 / 60
Verizon
Fixed Wireless
300 / 20
South Dakota Wireless Internet
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Bluepeak.

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