Yankton County property record for 334 Walnut St, Yankton, SD 57078
| Property Type | Office Building |
|---|---|
| Details | 4,828 sqft · built 1909 |
| Lot Size | 0.22 acres (9,583 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $97,000 (May 2007) |
| Tax Bill | $1,889 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 78.790.026.010 |
| Primary APN | 78.790.026.010 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 4,828 sqft Total Area |
| Basement Area | 4,828 sqft |
| Unfinished Basement | 4,828 sqft |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1909 |
| Roof Material | Built-Up Asphalt |
| Lot Area | 9,583 sqft (0.22 acres) |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 334 WALNUT ST |
|---|---|
| City | YANKTON |
| State | SD |
| Zip | 57078-4345 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Description | LT 1 EXC S8 BLK 26 TODDS |
| Legal Subdivision | TODD'S |
| Legal Block | 26 |
| Legal Lot Number | 1 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | YANKTON |
| Census Block Group | 4 |
| Census Block | 4027 |
| Census Tract | 966100 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 334 WALNUT ST, YANKTON, SD 57078-4345 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 15, 2007 · Amount on Record |
| Deed Sale | May 15, 2007 · Amount on Record |
| Deed Book / Page | 470 / 373 |
| Record Updated | Oct 29, 2026 |
Source: Yankton County assessment roll, as of October 1, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Yankton County |
| Municipality | Yankton City |
| Unified School District | Yankton School District 63-3 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $124,900 (+11.72%) Land $37,500 Building $87,400 | $124,900 Land $37,500 Building $87,400 | |
| 2025 | $1,889.00 (+1.56%) | $111,800 (+9.5%) Land $37,500 Building $74,300 | |
| 2024 | $1,860.00 (-8.96%) | ||
| 2023 | $102,100 Land $34,100 Building $68,000 | ||
| 2022 | $2,043.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 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.
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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 195 locations within half a mile, as of December 31, 2025
| Provider | Max 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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