Custer County property record for 25953 Dewey Rd, Edgemont, SD 57735
| Property Type | Rural Home |
|---|---|
| Details | 1.5 ba · 256 sqft · built 2020 |
| Lot Size | 160 acres (6,969,600 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $299,000 (May 2019) |
| Tax Bill | $727 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 002965 |
| Primary APN | 002965 |
|---|---|
| Alternative APN |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Building Area | 256 sqft Gross Area |
| Gross Area | 240 sqft |
| 1st Floor Area | 896 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2020 |
| Architectural Style | Mobile Home |
| Lot Area | 6,969,600 sqft (160 acres) |
| Deck Area | Deck Area |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 25953 DEWEY RD |
|---|---|
| City | EDGEMONT |
| State | SD |
| Zip | 57735-5004 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | NE4 SEC 10 T5 R1 160 AC 1050101000000100 |
| Legal Range | 01 |
| Legal Township | 05 |
| Legal Section | 10 |
| Jurisdiction | CUSTER SD |
| Township / Civil Division | WEST CUSTER |
| Census Block Group | 3 |
| Census Block | 3078 |
| Census Tract | 965100 |
Source: Custer County records, as of September 8, 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 | 25957 DEWEY RD, EDGEMONT, SD 57735-5004 |
| Owner Type | Individual |
| Vesting | Joint Tenants with Right of Survivorship |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 10, 2019 · Amount on Record |
| Deed Sale | May 10, 2019 · Amount on Record |
| Record Updated | Oct 29, 2026 |
Source: Custer County assessment roll, as of September 8, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Custer County |
| Unified School District | Elk Mountain School District 16-2 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $53,394 (-46.82%) Building $53,394 | ||
| 2025 | $727.00 (+29.36%) | $100,394 (+16.48%) Land $39,627 Building $60,767 | |
| 2023 | $562.00 (-7.41%) | $86,189 Land $43,936 Building $42,253 | |
| 2022 | $93,782 Land $61,633 Building $32,149 | ||
| 2021 | $607.00 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective October 21, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 7 (1991–2019) |
| Most Recent Claim | Aug 2019 · river or lake flooding |
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 | High above 78% of the US · above 89% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.4% 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 | SOUTHERN BLACK HILLS WATER private · serves 947 people · EPA ID SD4602309 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | 2 ppb (2025) 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) |
|---|---|
| RT Communications Fiber | 1,000 / 1,000 |
5G (outdoors only) and 4G LTE
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