Kingsbury County property record for 21785 436th Ave, Oldham, SD 57051
| Property Type | Rural Improved / Non-Residential |
|---|---|
| Lot Size | 160 acres (6,969,600 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,009 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 883 |
| Primary APN | 883 |
|---|
| Architectural Style | Modular |
|---|---|
| Lot Area | 6,969,600 sqft (160 acres) |
| Street Address | 21785 436TH AVE |
|---|---|
| City | OLDHAM |
| State | SD |
| Zip | 57051-7004 |
| Property Category | Other |
| Property Type | Other > Rural Improved / Non-Residential |
| Legal Description | SE 24-109-56 |
| Jurisdiction | KINGSBURY SD |
| Township / Civil Division | MATHEWS |
| Census Block Group | 4 |
| Census Block | 4190 |
| Census Tract | 958100 |
Source: Kingsbury County records · APN 883
Assessment roll updated November 1, 2024 · Last verified October 2025
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 | 21884 436TH AVE, OLDHAM, SD 57051-7002 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 28, 2004 |
| Deed Sale | Jan 28, 2004 |
| Deed Document Number | 0000106387 |
| Record Updated | Jun 08, 2026 |
Source: Kingsbury County records · Assessment roll updated November 1, 2024 · Last verified October 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Kingsbury County |
| County Subdivision | Mathews Township |
| Unified School District | Oldham-Ramona-Rutland 39-6 (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $4,009.00 (+29.87%) | $476,524 (+1.33%) Land $448,441 Building $28,083 |
| 2023 | $3,087.00 | $470,279 Land $408,725 Building $61,554 |
| 2022 | $3,087.00 |
Source: FEMA National Flood Hazard Layer, Kingsbury County (46077C), as of May 21, 2024 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 460779581004, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| 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 |
|
| Wildfire Risk | Low lower than 80% of the US · lower than 85% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
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) |
|---|---|
| Alliance Communications Cooperative Fiber | 1,000 / 1,000 |
Based on FCC filings for 1 locations within half a mile of this property.
5G and 4G LTE (outdoors only)
Source: EPA Safe Drinking Water Information System, water system SD4600511, 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