306 E 21st St, Yankton, SD 57078 Property Records

Yankton County property record for 306 E 21st St, Yankton, SD 57078

Property Summary

Property Type	Single Family Home
Details	800 sqft · built 1959
Lot Size	0.147 acres (6,400 sqft)
Owner	2 Individual Names on Record
Tax Bill	$1,968 (2025)
Deeds & Mortgages	Jan 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`78.350.001.150`

Property Details

APN / Parcel Number

Primary APN	`78.350.001.150`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	800 sqft Living Area
Basement Area	800 sqft
Unfinished Basement	800 sqft
Flooring	Hardwood

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Exterior Material	Vinyl
Construction Type	Wood
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,400 sqft (0.147 acres)
Garage Type	Attached
Garage Area	300 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	306 E 21ST ST
City	YANKTON
State	SD
Zip	57078-1716
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LT 15 BLK 1 HIGHLAND PARK ADDN
Legal Subdivision	HIGHLAND PARK
Legal Block	1
Legal Lot Number	15
Jurisdiction	YANKTON SD
Township / Civil Division	YANKTON
Census Block Group	1
Census Block	1041
Census Tract	966302

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 Record	2 Individual Names on Record
Mailing Address	306 E 21ST ST, YANKTON, SD 57078-1716
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	YANKTON SD
Property Address	306 E 21ST ST, YANKTON, SD 57078-1716
Transaction Type	Mortgage
Record Updated	Feb 10, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	306 E 21ST ST, YANKTON, SD 57078-1716

Mortgage

Document Number	556/207
Date	Jan 21, 2021
Book Page	556/207

Lender

Name	EXPLORERS CU
Type	Credit Union
Address	YANKTON, SD 57078

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Feb 1, 2041

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	South Dakota
County	Yankton County
Municipality	Yankton City
Unified School District	Yankton School District 63-3 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$147,600 (+5.58%) Land $18,500 Building $129,100	$147,600 Land $18,500 Building $129,100
2025	$1,968.00 (-0.1%)
2023		$139,800 Land $18,500 Building $121,300
2022	$1,970.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	3 (2001–2019)
Most Recent Claim	May 2019 · Severe Storms 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

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 98% of South Dakota
Wildfire Likelihood	Under 0.01% 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	YANKTON serves 15,411 people · EPA ID SD4600423
Water Source	Groundwater
Last State Inspection	Aug 2023
Also Mapped Here	BY WATER DISTRICT
Lead	Under 1 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Total trihalomethanes resolved · Jan 2020
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 398 locations within half a mile, as of December 31, 2025

Provider	Max 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