Kingsbury County property record for 20147 435th Ave, De Smet, SD 57231
| Property Type | Single Family Home |
|---|---|
| Lot Size | 25 acres (1,089,000 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $4,910 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 4439 |
| Primary APN | 4439 |
|---|
| Lot Area | 1,089,000 sqft (25 acres) |
|---|
| Street Address | 20147 435TH AVE |
|---|---|
| City | DE SMET |
| State | SD |
| Zip | 57231-5203 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S412.5' OF NE 35-112-56 |
| Legal Range | 56 |
| Legal Township | 112 |
| Legal Section | 35 |
| Jurisdiction | KINGSBURY SD |
| Township / Civil Division | SPIRIT LAKE |
| Census Block Group | 1 |
| Census Block | 1039 |
| Census Tract | 958100 |
Source: Kingsbury County records, as of October 1, 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 Record |
|---|---|
| Mailing Address | 20147 435TH AVE, DE SMET, SD 57231-5203 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 27, 2002 |
| Deed Sale | Aug 27, 2002 |
| Deed Book / Page | 105 / 267 |
| Record Updated | Oct 29, 2026 |
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 | $4,910.00 | $609,290 (+6.56%) Land $87,529 Building $521,761 |
| 2025 | $4,910.00 (+36.24%) | $571,762 (+25.97%) Land $86,505 Building $485,257 |
| 2023 | $3,604.00 | $453,876 Land $78,710 Building $375,166 |
| 2022 | $3,604.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 94% 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.
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 |
| Midco Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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