Yankton County property record for 2020 Walnut St, Yankton, SD 57078
| Property Type | Single Family Home |
|---|---|
| Details | 1,367 sqft · built 1959 |
| Lot Size | 0.238 acres (10,385 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $3,345 (2025) |
| Deeds & Mortgages | Nov 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 78.190.001.040 |
| Primary APN | 78.190.001.040 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,367 sqft Living Area |
| Basement Area | 1,360 sqft |
| Unfinished Basement | 1,360 sqft |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 10,385 sqft (0.238 acres) |
| Garage Type | Attached |
| Garage Area | 840 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 2020 WALNUT ST |
|---|---|
| City | YANKTON |
| State | SD |
| Zip | 57078-2137 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LTS 3 & 4 BLK 1 ELMS ADDN |
| Legal Subdivision | ELMS ADDN |
| Legal Block | 1 |
| Legal Lot Number | 3,4 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | YANKTON |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 966302 |
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 | 2020 WALNUT ST, YANKTON, SD 57078-2137 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | YANKTON SD |
| Property Address | 2020 WALNUT ST, YANKTON, SD 57078-2137 |
| Transaction Type | Mortgage |
| Record Updated | Dec 12, 2025 |
| Name | Verified Name |
|---|---|
| Address | 2020 WALNUT ST, YANKTON, SD 57078-2137 |
| Document Number | 000581/349 |
|---|---|
| Date | Nov 26, 2025 |
| Book Page | 581/349 |
| Name | ELKHORN VALLEY BANK & TRUST |
|---|---|
| Type | Bank |
| Address | 404 S 25TH ST, NORFOLK, NE 68701 |
| Type | Commercial Mortgage |
|---|---|
| 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 | $252,900 (+14.85%) Land $18,400 Building $234,500 | $252,900 Land $18,400 Building $234,500 | |
| 2025 | $3,345.00 (+12.21%) | ||
| 2023 | $220,200 Land $18,400 Building $201,800 | ||
| 2022 | $2,981.00 |
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 Policies | 6 in force |
| Nearby Flood Claims | 3 (2001–2011) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | May 2011 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 96% 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.
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 253 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 |
| South Dakota Wireless Internet Fixed Wireless | 100 / 20 |
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