BLACK HILLS OF SOUTH DAKOTA – CUSTER COUNTY – ESTATE OF ROGER HANSEN ABSOLUTE REAL ESTATE AUCTION “Hidden Canyon Ranch”, 1,470 Prime Acres and Improvements WEDNESDAY AUGUST 26, 2026 10:30 AM MDT Auction held at the Bradeen Auction facility, 9 W Mt. Rushmore Rd., Custer SD Offered in 4 Tracts, from 160+- to 590+- acres and as one complete 1,470+- acre unit, selling in the manner realizing the greater return. Property Address: 26094 Dewey Road, Edgemont SD. Directions, from CUSTER SD, 15 miles west on US Hwy. 16, SW 10 miles on Mann Road (Co Rd. 273) & Pass Creek Rd, and 1 miles south on Dewey Road (Co. Rd. 769), to the property, Watch for signs. The Hidden Canyon Ranch features breathtaking scenery surrounded by high rock outcroppings with much mature Ponderosa Pines, Cedar, Cottonwood and Ash timber. The native grass meadows offer grazing for livestock and wildlife. Water is supplied by two dependable wells serving the ranch headquarters, 2 sets of livestock working corrals, and other water outlets.
Under contract
Price Unknown
26094 Dewey Rd, Edgemont, SD 57735
--beds
--baths
--sqft
Ranch
Built in ----
1,470 Acres Lot
$-- Zestimate®
$--/sqft
$-- HOA
What's special
Native grass meadows
- 44 days
- 348
- 20
Zillow last checked:
Listing updated:
Listed by:
Jeffrey Storm,
Bradeen Real Estate and Auction
Source: Mount Rushmore Area AOR,MLS#: 89783
Facts & features
Property
Lot
- Size: 1,470 Acres
- Features: Pasture, Scattered Timber, Part Wooded, Meadow, Borders National Forest
- Topography: Hilly,Rolling,Rough,Sloping
Details
- Additional structures: Hay Barn, Workshop, Trees
- Parcel number: 002980
- Special conditions: Auction
- Horse amenities: Corral(s)
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Ranch
Utilities & green energy
- Gas: Propane
- Sewer: Septic Tank
- Water: Well
- Utilities for property: Propane
Community & HOA
Location
- Region: Edgemont
Financial & listing details
- Tax assessed value: $243,034
- Annual tax amount: $2,010
- Date on market: 8/3/2026
- Listing terms: Cash
- Road surface type: Gravel
Estimated market value
Not available
Estimated sales range
Not available
$1,601/mo
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $2,010 | $243,034 -1.5% |
| 2024 | -- | $246,645 -14.3% |
| 2023 | $2,357 +19.1% | $287,889 +2.4% |
| 2022 | $1,978 -15.8% | $281,146 +17.4% |
| 2021 | $2,349 +0.8% | $239,394 +6.1% |
| 2020 | $2,331 | $225,637 +0.6% |
| 2019 | -- | $224,390 +18.1% |
| 2018 | $2,115 -4.3% | $190,046 -1.3% |
| 2017 | $2,211 -1% | $192,540 +2.2% |
| 2016 | $2,232 | $188,449 +3.2% |
| 2015 | $2,232 +12.8% | $182,575 +3.1% |
| 2013 | $1,979 | $177,094 +2% |
| 2012 | -- | $173,648 +4.9% |
| 2011 | -- | $165,563 |
Find assessor info on the county website
