Kingsbury County property record for 20775 436th Ave, De Smet, SD 57231
| Property Type | Single Family Home |
|---|---|
| Lot Size | 31.9 acres (1,390,435 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,209 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 3294 |
| Primary APN | 3294 |
|---|
| Lot Area | 1,390,435 sqft (31.9 acres) |
|---|
| Street Address | 20775 436TH AVE |
|---|---|
| City | DE SMET |
| State | SD |
| Zip | 57231-5829 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NESE EXC 8.08 AC 36-111-56 |
| Legal Range | 56 |
| Legal Township | 111 |
| Legal Section | 36 |
| Jurisdiction | KINGSBURY SD |
| Township / Civil Division | DE SMET |
| Census Block Group | 1 |
| Census Block | 1098 |
| Census Tract | 958200 |
Source: Kingsbury County records · APN 3294
Assessment roll updated September 25, 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 | 20775 436TH AVE, DE SMET, SD 57231-5829 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Kingsbury County records · Assessment roll updated September 25, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Kingsbury County |
| County Subdivision | De Smet Township |
| Unified School District | De Smet School District 38-2 (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $3,209.00 (+19.34%) | $367,141 (+13.27%) Land $82,791 Building $284,350 |
| 2023 | $2,689.00 | $324,137 Land $75,504 Building $248,633 |
| 2022 | $2,689.00 |
Source: FEMA National Flood Hazard Layer as of May 21, 2024 · 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 3 (1987) |
| Most Recent Claim | May 1987 · river or lake flooding |
| Wildfire Risk | Low lower than 62% of the US · lower than 73% 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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Valley Telecommunications Cooperative Association Fiber | 1,000 / 1,000 |
| Midcontinent Communications Fixed Wireless | 100 / 20 |
May also be available: T-Mobile USA.
Based on FCC filings for 5 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 | KINGBROOK II RURAL WATER SYSTEM private · serves 2,715 people |
|---|---|
| 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 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures