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Dewey County, SD · Sold

SD-666459

3975 County Road 187

$209,600
$1,770/ac · 118 ac
Acreage118 ac
Price per acre$1,770/ac
ZoningMixed Use
Road accessDirt
UtilitiesPower at road
TopographyFlat
ListedFeb 26, 2026
Coordinates45.0421, -100.7935
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County GIS boundary

We do not yet have an active public ArcGIS connection for this county. Use the official source link to verify the parcel boundary and flood/zoning layers.

County market

Dewey County, South Dakota. West River grazing and Black Hills recreational parcels.

View Dewey market data →

Step 1 · Is this a deal?

Due diligence

3 items to verify before you offer.

Risk index
26
Low risk
Wetlands25.5% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope2.5%

Gentle grade, straightforward to develop.

Flood zoneA

Inside the 100-year floodplain — insurance and elevation apply.

Legal accessDeeded frontage

2,768 ft of deeded road frontage.

Power18 ft away

Power at or near the road.

Buildable area83.82 of 118.43 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$182,318
$143,805$220,831 · $1,539/ac on 118 ac
Asking vs estimate
+15.0%
Priced above the comp set

Weighted from 7 recorded sales, adjusted for tract size, access, utilities and time since sale. Range width reflects dispersion across the comp set.

AI deal brief

Comps, diligence flags, an offer number and what to ask the seller.

Offer calculatorAsking $209,600
Maximum allowable offer
$104,182
$880/ac · +30.0% target margin

You need $105,418 off asking to hit this margin.

All-in cost$113,037
Net resale$167,733
Projected profit$54,695
ROI+48.4%
Annualized+69.2%
Break-even resale$1,037/ac
Profit if resale lands off target
-20%
$21,149
-10%
$37,922
0%
$54,695
+10%
$71,469
+20%
$88,242
Comparable sales7 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
SD-376945
Landlocked · Power at road
168.4Jul 27, 2026$143,1008501,1827.3 mi
81
SD-116798
Gravel · Off grid
151.4May 13, 2025$240,6001,5891,8057.5 mi
75
SD-567265
Dirt · Power at road
212.3Jun 1, 2025$343,0001,6151,9854.5 mi
72
SD-887511
Landlocked · Off grid
253.8May 9, 2026$148,9005871,08610.1 mi
68
SD-295163
Dirt · Off grid
46.3Oct 24, 2025$74,3001,6041,57714.4 mi
67
SD-655857
Gravel · Full utilities
76.6Sep 16, 2024$152,8001,9951,36715.1 mi
61
SD-264843
Gravel · Off grid
36.7Mar 4, 2025$81,0002,2061,83316.3 mi
53
Show adjustment detail for the top comp
  • Tract size (168.41 ac → 118.43 ac)+9.7%
  • Access (Landlocked → Dirt)+26.5%

Step 3 · Market it

Turn this underwriting into a listing

Generate a comp-priced headline, listing description, land-group post and cash-buyer email for this tract — then post it to the investor marketplace.