Kingsbury County property record for 20021 434th Ave, De Smet, SD 57231
| Property Type | Single Family Home |
|---|---|
| Lot Size | 160 acres (6,969,600 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $6,733 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 4398 |
| Primary APN | 4398 |
|---|
| Lot Area | 6,969,600 sqft (160 acres) |
|---|
| Street Address | 20021 434TH AVE |
|---|---|
| City | DE SMET |
| State | SD |
| Zip | 57231-5205 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NE 27-112-56 |
| Legal Range | 56 |
| Legal Township | 112 |
| Legal Section | 27 |
| Jurisdiction | KINGSBURY SD |
| Township / Civil Division | SPIRIT LAKE |
| Census Block Group | 1 |
| Census Block | 1037 |
| Census Tract | 958100 |
20021 434th Ave is owned and occupied by an individual.
Source: Kingsbury County records, as of October 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 20021 434TH AVE, DE SMET, SD 57231-5205 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 20021 434th Ave was $6,733.
Source: Kingsbury County assessment roll, as of October 1, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Kingsbury County |
| County Subdivision | Spirit Lake Township |
| Unified School District | De Smet School District 38-2 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $6,733.00 | $881,748 (+0.67%) Land $502,901 Building $378,847 |
| 2025 | $6,733.00 | $875,899 Land $497,052 Building $378,847 |
| 2023 | $5,425.00 | $771,188 Land $452,578 Building $318,610 |
| 2022 | $5,425.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20021 434th Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1996.
Source: FEMA National Flood Hazard Layer, effective May 21, 2024 · 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 | 1 in force |
| Nearby Flood Claims | 3 (1996–1997) |
| Most Recent Claim | May 1997 · Severe Flooding, Sever Winter Storms,heavy Rains High Winds |
| Claims by Event |
|
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 20021 434th Ave 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 | KINGBROOK II RURAL WATER SYSTEM private · serves 2,715 people · EPA ID SD4600511 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2024 |
| Lead | 2 ppb (2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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.
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