Yankton County property record for 100 Case St, Yankton, SD 57078
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 936 sqft · built 1963 |
| Lot Size | 0.5 acres (21,780 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $365,000 (Jul 2026) |
| Tax Bill | $2,289 (2025) |
| Deeds & Mortgages | Jul 2026 Sale May 2017 Line of Credit + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 09.022.700.323 |
| Primary APN | 09.022.700.323 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 936 sqft Living Area |
| Basement Area | 936 sqft |
| Finished Basement | 936 sqft |
| Unfinished Basement | 936 sqft |
| Flooring | Hardwood |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Exterior Material | Siding |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 21,780 sqft (0.5 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Shed | 1 Shed |
| Shed Area | 936 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 100 CASE ST |
|---|---|
| City | YANKTON |
| State | SD |
| Zip | 57078-4712 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 22 BLK 3 RIVERSIDE ACRES S/D |
| Legal Range | 56 |
| Legal Township | 93 |
| Legal Section | 22 |
| Legal Subdivision | RIVERSIDE ACRES SUBDIVISION |
| Legal Block | 3 |
| Legal Lot Number | 22 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | WEST YANKTON |
| Census Block Group | 1 |
| Census Block | 1025 |
| Census Tract | 966301 |
Source: Yankton County assessment roll, APN 09.022.700.323, as of September 16, 2025 · Last verified August 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 File |
|---|---|
| Mailing Address | PO BOX 24, YANKTON, SD 57078-0024 |
| Owner Type | Individual |
| Vesting | Husband and Wife |
| Date | Document |
|---|---|
| Jul 10, 2026 | Warranty Deed, Transfer YANKTON TITLE |
| May 30, 2017 | Deed of Trust, Mortgage · Line of Credit CORTRUST BANK NA |
| Apr 06, 2018 | Deed of Trust, Mortgage · Conventional Mortgage CORTRUST MORTGAGE |
| Aug 28, 2023 | Warranty Deed, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 10, 2026 · Amount on Record |
| Deed Sale | Jul 10, 2026 · Amount on Record |
| Prior Sale | Aug 28, 2023 · Amount on Record |
| Deed Document Number | 2026214267 |
| Deed Book / Page | 584 / 506 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | YANKTON SD |
| Recording Date | Jul 10, 2026 |
| Property Address | 100 CASE ST, YANKTON, SD 57078-4712 |
| Document Number | 0000214267 |
| Book / Page | 584 / 506 |
| Instrument Date | Jul 10, 2026 |
| Instrument | 2026214267 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2026 |
| Title Company | YANKTON TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $36,865.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | YANKTON SD |
| Property Address | 100 CASE ST, YANKTON, SD 57078-4712 |
| Transaction Type | Mortgage |
| Record Updated | Jan 16, 2026 |
| Name | Verified Name |
|---|
| Document Number | 000535/092 |
|---|---|
| Date | May 30, 2017 |
| Book Page | 535/092 |
| Name | CORTRUST BANK NA |
|---|---|
| Type | Bank |
| Address | YANKTON, SD 57078 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 60 Months |
| Due | May 24, 2022 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | YANKTON SD |
| Property Address | 100 CASE ST, YANKTON, SD 57078-4712 |
| Transaction Type | Mortgage |
| Record Updated | Jan 16, 2026 |
| Title Company | UNKNOWN, FDT |
| Name | Verified Name |
|---|
| Document Number | 000539/391 |
|---|---|
| Date | Apr 06, 2018 |
| Book Page | 539/391 |
| Name | CORTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | SIOUX FALLS, SD 57105 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | May 01, 2038 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | YANKTON SD |
| Recording Date | Aug 28, 2023 |
| Property Address | 100 CASE ST, YANKTON, SD 57078-4712 |
| Document Number | 0000571/27 |
| Book / Page | 571 / 27 |
| Map Reference | MB S4 PG 54A |
| Instrument Date | Aug 25, 2023 |
| Transaction Type | Transfer |
| Record Updated | Jan 16, 2026 |
| Title Company | BRANTON TITLE COMPANY, YANKTON TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $340.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 5117 N 10TH ST, OZARK, MO 65721-9176 |
| Name | Verified Name |
|---|---|
| Address | 100 CASE ST, YANKTON, SD 57078-4712 |
| Document Number | 0000057128 |
|---|---|
| Date | Aug 28, 2023 |
| Instrument | 571/28 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2053 |
Source: Yankton County assessment roll as of September 16, 2025 · Last verified August 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Yankton County |
| Unified School District | Yankton School District 63-3 (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,289.00 (+0.04%) | $203,900 (+23.58%) Land $25,000 Building $178,900 | |
| 2024 | $2,288.00 (+24.75%) | ||
| 2023 | $165,000 Land $20,800 Building $144,200 | ||
| 2022 | $1,834.00 | ||
| 2021 | $148,400 Land $16,000 Building $132,400 |
Source: FEMA National Flood Hazard Layer, Yankton County (46135C), as of February 13, 2025 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 461359663011, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 21 (2010–2018) |
| Claims Outside the SFHA | 16 of 21 |
| Most Recent Claim | Jun 2018 · rainfall accumulation |
| Claims by Event |
|
| Wildfire Risk | Moderate above 45% of the US · lower than 68% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, 122 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midcontinent Communications Cable | 1,250 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Hartington Telecommunications Co..
Source: EPA Safe Drinking Water Information System, water system SD4600865, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | BY WATER DISTRICT serves 13,320 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2025 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | Turbidity resolved · Mar 2019 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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