605 E 4th St, #2, Yankton, SD 57078 Property Records

Yankton County property record for 605 E 4th St, #2, Yankton, SD 57078

Property Summary

Property Type	Medical Building
Details	3,857 sqft · built 2020
Lot Size	0.117 acres (5,081 sqft)
Owner	Company Name on Record
Last Sale	$834,000 (Dec 2024)
Tax Bill	$4,399 (2025)
Deeds & Mortgages	Apr 2025 Line of Credit Dec 2024 Sale
Flood Zone	Zone X (minimal risk)
APN	`78.732.100.120`

Property Details

APN / Parcel Number

Primary APN	`78.732.100.120`

Interior

Stories	1 Story
Building Area	3,857 sqft Total Area

Exterior

Year Built	Built 2020
Effective Year Built	Effective 2020
Roof Material	Shingle
Lot Area	5,081 sqft (0.117 acres)

Utilities, Heating & Cooling

Cooling System	None
Heating System	HVAC

Location & Zoning

Street Address	605 E 4TH ST, 2
City	YANKTON
State	SD
Zip	57078-4526
Property Category	Commercial
Property Type	Commercial > Office > Medical Building
Legal Description	LT RL-2 ST. JOES CORNER
Legal Subdivision	ST JOES CORNER
Legal Lot Number	RL-2
Jurisdiction	YANKTON SD
Township / Civil Division	YANKTON
Census Block Group	4
Census Block	4002
Census Tract	966100

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	Company Name on Record
Mailing Address	6401 S MINNESOTA AVE, SIOUX FALLS, SD 57108-2504
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Apr 14, 2025	Deed of Trust, Mortgage · Line of Credit THE FIRST NATIONAL BANK IN SIOUX FALLS
Dec 30, 2024	Warranty Deed, Transfer BRANTON TITLE COMPANY, YANKTON TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 30, 2024 · Amount on Record
Deed Sale	Dec 30, 2024 · Amount on Record
Deed Document Number	2024206032
Deed Book / Page	577 / 121
Record Updated	Oct 29, 2026

April 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	YANKTON SD
Property Address	605 E 4TH ST STE 2, 2, YANKTON, SD 57078-4526
Transaction Type	Mortgage
Record Updated	Jan 16, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6401 S MINNESOTA AVE, SIOUX FALLS, SD 57108-2504

Mortgage

Document Number	000578/307
Date	Apr 14, 2025
Book Page	578/307

Lender

Name	THE FIRST NATIONAL BANK IN SIOUX FALLS
Type	Bank
Address	100 S PHILLIPS AVE, SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded

December 2024: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	YANKTON SD
Recording Date	Dec 30, 2024
Property Address	605 E 4TH ST STE 2, 2, YANKTON, SD 57078-4526
Document Number	000577/121
Book / Page	577 / 121
Map Reference	MB S20 PG 431
Instrument Date	Dec 30, 2024
Transaction Type	Transfer
Record Updated	Jan 16, 2026
Title Company	BRANTON TITLE COMPANY, YANKTON TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$834.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	603 E 4TH ST, YANKTON, SD 57078-4520

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6401 S MINNESOTA AVE, SIOUX FALLS, SD 57108-2504

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		$625,300 (+126.15%) Land $19,600 Building $605,700	$625,300 Land $19,600 Building $605,700
2025	$4,399.00 (+23.01%) Additional exemption filed	$276,500 (+7.8%) Land $19,600 Building $256,900
2024	$3,576.00 (+66.79%)
2023		$256,500 Land $17,800 Building $238,700
2022	$2,144.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1997)
Most Recent Claim	Apr 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 Risk	Not 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 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 329 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
AT&T Fixed Wireless	100 / 20

May also be available: South Dakota Wireless Internet, Verizon.

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