Kingsbury County property record for 21854 434th Ave, De Smet, SD 57231
| Property Type | Commercial |
|---|---|
| Lot Size | 10.6 acres (462,172 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $320,000 (Apr 2015) |
| Tax Bill | $10,063 (2026) |
| APN | 7813 |
| Primary APN | 7813 |
|---|
| Lot Area | 462,172 sqft (10.6 acres) |
|---|
| Street Address | 21854 434TH AVE |
|---|---|
| City | DE SMET |
| State | SD |
| Zip | 57231-6600 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | N68' OF W1510' & E530' OF W2040' OF N678' SW 26-109-56 |
| Legal Range | 56 |
| Legal Township | 109 |
| Legal Section | 26 |
| Jurisdiction | KINGSBURY SD |
| Township / Civil Division | MATHEWS |
| Census Block Group | 4 |
| Census Block | 4195 |
| Census Tract | 958100 |
21854 434th Ave, a commercial property, is owned by two individuals who bought it in April 2015.
Source: Kingsbury County records, as of October 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21854 434TH AVE, DE SMET, SD 57231-6600 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 9, 2015 · Amount on File |
| Deed Sale | Apr 9, 2015 · Amount on File |
| Deed Book / Page | 1141 / 660 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21854 434th Ave was $10,063.
Source: Kingsbury County assessment roll, as of October 1, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Kingsbury County |
| County Subdivision | Mathews Township |
| Unified School District | De Smet School District 38-2 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $10,063.00 | $1,088,353 (+6.37%) Land $93,050 Building $995,303 |
| 2025 | $10,063.00 | $1,023,203 Land $93,050 Building $930,153 |
| 2023 | $4,829.00 | $537,611 Land $88,050 Building $449,561 |
| 2022 | $4,829.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 21854 434th Ave; there have been 12 flood claims nearby since 1986.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 12 (1986–2019) |
| Claims Outside the SFHA | 1 of 12 |
| Most Recent Claim | Nov 2019 · rainfall accumulation |
| 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 21854 434th Ave is low, with 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 67% of the US · lower than 81% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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.
Source: FCC Broadband Data Collection, based on 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Valley FiberCom Fiber | 1,000 / 1,000 |
5G (outdoors only) and 4G LTE
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