Dewey County property record for 23561 SD Highway 20, Isabel, SD 57633
| Property Type | Agricultural Vacant Land |
|---|---|
| Lot Size | 4.47 acres (194,713 sqft) |
| Owner | Company Name on File |
| Tax Bill | $28 (2024) |
| APN | 67-0000-026-0017-022-4-0-00002 |
| Primary APN | 67-0000-026-0017-022-4-0-00002 |
|---|---|
| Alternative APN |
|
| Lot Area | 194,713 sqft (4.47 acres) |
|---|
| Street Address | 23561 SD HIGHWAY 20 |
|---|---|
| City | ISABEL |
| State | SD |
| Zip | 57633-6254 |
| Property Category | Agriculture or Farming |
| Property Type | Vacant Land > Agricultural |
| Legal Description | LOT PT#1 LESS HWY 26-17-22 |
| Legal Range | 22 |
| Legal Township | 17 |
| Legal Section | 26 |
| Legal Lot Number | 1 |
| Jurisdiction | DEWEY SD |
| Township / Civil Division | NORTH DEWEY |
| Census Block Group | 2 |
| Census Block | 2102 |
| Census Tract | 941700 |
23561 SD Highway 20, agricultural vacant land, is owned by a company.
Source: Dewey County records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 355, ISABEL, SD 57633-0355 |
| Owner Type | Company |
| Vesting | Company |
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 |
Source: Dewey County assessment roll, as of December 12, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Dewey County |
| Unified School District | Timber Lake School District 20-3 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,592 (+11.51%) Land $4,592 | $4,592 Land $4,592 | |
| 2025 | $4,118 Land $4,118 | ||
| 2024 | $28.00 | ||
| 2023 | $4,399 Land $4,399 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 23561 SD Highway 20; 1 flood insurance policy is in force nearby.
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 | 1 in force |
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 23561 SD Highway 20 is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 76% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.04% 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 | TRI-COUNTY RURAL WATER SYSTEM private · serves 2,190 people · EPA ID SD4600112 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2024 |
| Lead | 4 ppb (2023) 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) |
|---|---|
| Starlink Satellite | 280 / 30 |
| CRST Telephone Authority Fiber | 250 / 100 |
5G (outdoors only) and 4G LTE
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