Dewey County property record for 23445 135th St, Isabel, SD 57633
| Property Type | Rural Home |
|---|---|
| Details | built 1963 |
| Lot Size | 160 acres (6,969,600 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $749 (2024) |
| APN | 67-0000-010-0017-022-3-0-00001 |
| Primary APN | 67-0000-010-0017-022-3-0-00001 |
|---|---|
| Alternative APN |
|
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Lot Area | 6,969,600 sqft (160 acres) |
| Street Address | 23445 135TH ST |
|---|---|
| City | ISABEL |
| State | SD |
| Zip | 57633 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | SW1/4 10-17-22 |
| Legal Range | 22 |
| Legal Township | 17 |
| Legal Section | 10 |
| Jurisdiction | DEWEY SD |
| Township / Civil Division | NORTH DEWEY |
| Census Block Group | 2 |
| Census Block | 2102 |
| Census Tract | 941700 |
Source: Dewey County records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 8021 BROOKS LOOP, SPEARFISH, SD 57783-6307 |
| Owner Type | Company |
| Vesting | Trust |
| 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 | $82,609 (+4.71%) Land $41,795 Building $40,814 | $82,609 Land $41,795 Building $40,814 | |
| 2025 | $78,894 (+2.48%) Land $38,334 Building $40,560 | ||
| 2024 | $749.00 | ||
| 2023 | $76,984 Land $37,670 Building $39,314 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · above 63% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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 |
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