Yankton County property record for 603 E 20th St, Yankton, SD 57078
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,820 sqft · built 1987 |
| Lot Size | 0.201 acres (8,770 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $503,500 (Jan 2016) |
| Tax Bill | $4,375 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 78.690.003.016 |
| Primary APN | 78.690.003.016 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,820 sqft Living Area |
| Basement Area | 1,148 sqft |
| Finished Basement | 1,148 sqft |
| Unfinished Basement | 1,148 sqft |
| Flooring | Hardwood |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Exterior Material | Siding |
| Construction Type | Wood |
| Foundation Type | No Foundation |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 8,770 sqft (0.201 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 603 E 20TH ST |
|---|---|
| City | YANKTON |
| State | SD |
| Zip | 57078-1871 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | M3 N2 LT 1 BLK 3 RIVERVIEW PARK ADDN |
| Legal Subdivision | RIVERVIEW PARK |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | YANKTON SD |
| Township / Civil Division | YANKTON |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 966200 |
Source: Yankton County records · APN 78.690.003.016
Assessment roll updated September 16, 2025 · Last verified April 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 | 603 E 20TH ST, YANKTON, SD 57078-1871 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 29, 2016 · Amount on Record |
| Deed Sale | Jan 29, 2016 · Amount on Record |
| Deed Book / Page | 527 / 473 |
| Prior Transfer Date | Jan 28, 2016 |
| Prior Transfer Doc | 000527/473 |
| Record Updated | Jun 08, 2026 |
Source: Yankton County records · Assessment roll updated September 16, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Yankton County |
| Municipality | Yankton City |
| Unified School District | Yankton School District 63-3 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,375.00 (+15.83%) | $334,200 (+19.27%) Land $14,800 Building $319,400 | |
| 2023 | $280,200 Land $14,800 Building $265,400 | ||
| 2022 | $3,777.00 | ||
| 2021 | $226,300 Land $14,800 Building $211,500 |
Source: FEMA National Flood Hazard Layer as of February 13, 2025 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 96% of the US · lower than 93% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.02% 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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midcontinent Communications Cable | 1,250 / 60 |
| Clarity Telecom Cable · Fiber in parts of the area | 1,000 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
Based on FCC filings for 398 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | YANKTON serves 15,411 people |
|---|---|
| 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 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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