Yankton County property record for 319 Walnut St, Yankton, SD 57078
| Property Type | Office Building |
|---|---|
| Details | 14,614 sqft · built 1880 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Company Name on Record |
| Last Sale | $263,000 (Mar 2008) |
| Tax Bill | $3,473 (2025) |
| Deeds & Mortgages | Oct 2023 Line of Credit Sep 2023 Sale & Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 78.790.025.240 |
| Primary APN | 78.790.025.240 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 14,614 sqft Total Area |
| Basement Area | 704 sqft |
| Unfinished Basement | 704 sqft |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Roof Material | Built-Up Asphalt |
| Lot Area | 8,712 sqft (0.2 acres) |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 319 WALNUT ST |
|---|---|
| City | YANKTON |
| State | SD |
| Zip | 57078-4344 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Description | N15 LT 14 & ALL LT 15 BLK 25 TODDS ADDN |
| Legal Subdivision | TODDS ADDN |
| Legal Block | 25 |
| Legal Lot Number | 14,15 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | YANKTON |
| Census Block Group | 3 |
| Census Block | 3014 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 319 WALNUT ST, YANKTON, SD 57078-4344 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Oct 3, 2023 | Deed of Trust, Mortgage · Line of Credit BRUNSWICK STATE BANK |
| Sep 22, 2023 | Warranty Deed, Transfer · Line of Credit BRUNSWICK STATE BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 5, 2008 · Amount on Record |
| Deed Sale | Mar 5, 2008 · Amount on Record |
| Prior Sale | Dec 4, 2007 · Amount on Record |
| Deed Book / Page | 476 / 297 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | YANKTON SD |
| Property Address | 319 WALNUT ST, YANKTON, SD 57078-4344 |
| Transaction Type | Mortgage |
| Record Updated | Feb 22, 2024 |
| Title Company | NOT AVAILABLE, YANKTON TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | PO BOX 878, YANKTON, SD 57078-0878 |
| Document Number | 000571/293 |
|---|---|
| Date | Oct 3, 2023 |
| Book Page | 571/293 |
| Name | BRUNSWICK STATE BANK |
|---|---|
| Type | Bank |
| Address | WINNETOON, NE 68789 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | YANKTON SD |
| Recording Date | Sep 22, 2023 |
| Property Address | 319 WALNUT ST, YANKTON, SD 57078-4344 |
| Document Number | 000571/210 |
| Book / Page | 571 / 210 |
| Map Reference | MB G PG 1-3 |
| Instrument Date | Sep 22, 2023 |
| Transaction Type | Transfer |
| Record Updated | Apr 3, 2026 |
| Title Company | BRANTON TITLE COMPANY, YANKTON TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $215.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 313 WALNUT ST, YANKTON, SD 57078-4344 |
| Name | Verified Name |
|---|---|
| Address | PO BOX 878, YANKTON, SD 57078-0878 |
| Document Number | 0000571293 |
|---|---|
| Date | Sep 22, 2023 |
| Instrument | 571/293 |
| Name | BRUNSWICK STATE BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Document Number | 000571/293 |
|---|---|
| Date | Oct 3, 2023 |
| Book Page | 571/293 |
| Name | BRUNSWICK STATE BANK |
|---|---|
| Type | Bank |
| Address | WINNETOON, NE 68789 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
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 | $246,900 (+26.36%) Land $34,100 Building $212,800 | $246,900 Land $34,100 Building $212,800 | |
| 2025 | $3,473.00 (-7.56%) | ||
| 2023 | $195,400 Land $31,000 Building $164,400 | ||
| 2022 | $3,757.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| 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 |
| 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 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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