Yankton County property record for 515 Walnut St, Yankton, SD 57078
| Property Type | Museum, Library, Art Gallery (Recreational) |
|---|---|
| Details | 15,960 sqft · built 1973 |
| Lot Size | 0.606 acres (26,400 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $200,000 (Aug 2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 78.790.049.180 |
| Primary APN | 78.790.049.180 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 15,960 sqft Total Area |
| Year Built | Built 1973 |
|---|---|
| Roof Material | Built-Up Asphalt |
| Lot Area | 26,400 sqft (0.606 acres) |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 515 WALNUT ST |
|---|---|
| City | YANKTON |
| State | SD |
| Zip | 57078-4042 |
| Property Category | Public Works |
| Property Type | Public Works > Museum, Library, Art Gallery (Recreational) |
| Legal Description | LTS 15-18 BLK 49 TODDS ADDN |
| Legal Subdivision | TODDS ADDN |
| Legal Block | 49 |
| Legal Lot Number | 15-18 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | YANKTON |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 966100 |
Source: Yankton County records, as of November 22, 2023
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 | PO BOX 176, YANKTON, SD 57078-0176 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 18, 2023 · Amount on Record |
| Deed Sale | Aug 18, 2023 · Amount on Record |
| Deed Document Number | 0000570592 |
| Record Updated | Jun 7, 2026 |
Source: Yankton County assessment roll, as of November 1, 2023
| Type | Name |
|---|---|
| State | South Dakota |
| County | Yankton County |
| Municipality | Yankton City |
| Unified School District | Yankton School District 63-3 (PK - 12) |
Source: FEMA National Flood Hazard Layer, effective February 13, 2025
| 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 |
Values are read at the parcel center point; 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 |
| 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 437 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 |
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