Dewey County property record for 23117 SD Hwy, #20, Isabel, SD 57633
| Property Type | Rural Home |
|---|---|
| Details | built 1980 |
| Lot Size | 159 acres (6,955,661 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $714 (2024) |
| APN | 67-0000-031-0017-022-3-0-00001 |
| Primary APN | 67-0000-031-0017-022-3-0-00001 |
|---|---|
| Alternative APN |
|
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 6,955,661 sqft (159 acres) |
| Street Address | 23117 SD HWY, 20 |
|---|---|
| City | ISABEL |
| State | SD |
| Zip | 57633 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | LOTS 3, 4, & E1/2SW1/4 31-17-22 |
| Legal Range | 22 |
| Legal Township | 17 |
| Legal Section | 31 |
| Legal Lot Number | 3-4 |
| Jurisdiction | DEWEY SD |
| Township / Civil Division | NORTH DEWEY |
| Census Block Group | 2 |
| Census Block | 2121 |
| Census Tract | 941700 |
23117 SD Hwy, #20, a rural home, is owned by two individuals.
Source: Dewey County records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 96, ISABEL, SD 57633-0096 |
| Owner Type | Individual |
| Deed Names | 2 Names 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 | Dupree School District 64-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $128,065 (+6.02%) Land $67,474 Building $60,591 | $135,599 Land $67,474 Building $68,125 | |
| 2025 | $120,788 Land $61,040 Building $59,748 | ||
| 2024 | $714.00 | ||
| 2023 | $118,722 Land $63,151 Building $55,571 |
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 23117 SD Hwy, #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 23117 SD Hwy, #20 is moderate, ranking above 56% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 56% of the US · above 48% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.1% 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 and 4G LTE (outdoors only)
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