Yankton County property record for 918 Walnut St, Yankton, SD 57078
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.5 ba · 1,680 sqft · built 1897 |
| Lot Size | 0.188 acres (8,224 sqft) |
| Owner | Individual Name on File |
| Last Sale | $86,000 (Nov 2006) |
| Tax Bill | $1,912 (2025) |
| Deeds & Mortgages | Sep 2022 Line of Credit Sep 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 78.900.006.150 |
| Primary APN | 78.900.006.150 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,680 sqft Living Area |
| Basement Area | 840 sqft |
| Unfinished Basement | 840 sqft |
| Flooring | Laminate Plank |
| Year Built | Built 1897 |
|---|---|
| Effective Year Built | Effective 1897 |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 8,224 sqft (0.188 acres) |
| Garage Type | Detached |
| Garage Area | 336 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Porch Area | 126 sqft |
| Cooling System | None |
|---|---|
| Heating System | Hot Water |
| Street Address | 918 WALNUT ST |
|---|---|
| City | YANKTON |
| State | SD |
| Zip | 57078-3508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N2 EXC E65 N15 LT 15 & W107 LT 16 BLK 6 WETMORE & STEWARTS ADDN |
| Legal Subdivision | WETMORE & STEWART |
| Legal Block | 6 |
| Legal Lot Number | 15,16 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | YANKTON |
| Census Block Group | 2 |
| Census Block | 2015 |
| Census Tract | 966100 |
918 Walnut St is owned and occupied by an individual who bought it in November 2006.
Source: Yankton County records, as of October 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 918 WALNUT ST, YANKTON, SD 57078-3508 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 15, 2022 | Deed of Trust, Mortgage · Line of Credit CORTRUST BANK NA |
| Sep 20, 2017 | Deed of Trust, Mortgage · Conventional Mortgage CORTRUST MORTGAGE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 27, 2006 · Amount on File |
| Deed Sale | Nov 27, 2006 · Amount on File |
| Deed Book / Page | 467 / 158 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | YANKTON SD |
| Property Address | 918 WALNUT ST, YANKTON, SD 57078-3508 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2022 |
| Name | Verified Name |
|---|---|
| Address | 918 WALNUT ST, YANKTON, SD 57078-3508 |
| Document Number | 0000567/24 |
|---|---|
| Date | Sep 15, 2022 |
| Book Page | 567/24 |
| Name | CORTRUST BANK NA |
|---|---|
| Type | Bank |
| Address | YANKTON, SD 57078 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | YANKTON SD |
| Property Address | 918 WALNUT ST, YANKTON, SD 57078-3508 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST DAKOTA TITLE LLC, FIRST DAKOTA TITLE |
| Name | Verified Name |
|---|
| Document Number | 536/505 |
|---|---|
| Date | Sep 20, 2017 |
| Book Page | 536/505 |
| Name | CORTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | SIOUX FALLS, SD 57105 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Oct 1, 2037 |
The 2025 property tax bill for 918 Walnut St was $1,912.
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 | $153,100 Land $13,100 Building $140,000 | $153,100 Land $13,100 Building $140,000 | |
| 2025 | $1,912.00 | ||
| 2023 | $136,200 Land $13,100 Building $123,100 | ||
| 2022 | $1,645.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 918 Walnut St in Zone X, an area of minimal flood risk, though there have been 9 flood claims nearby since 1984.
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 | 2 in force |
| Nearby Flood Claims | 9 (1984–2019) |
| Most Recent Claim | Mar 2019 · Severe Winter Storm, Snowstorm, And 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.
Wildfire risk around 918 Walnut St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.5% 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 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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