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Custer County, SD · Sold

SD-658508

1806 County Road 86

$1,091,600
$2,089/ac · 523 ac
Acreage523 ac
Price per acre$2,089/ac
ZoningMixed Use
Road accessGravel
UtilitiesPower at road
TopographySloped
ListedFeb 6, 2025
Coordinates43.6480, -103.4681
Loading terrain…
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

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

View Custer market data →

Step 1 · Is this a deal?

Due diligence

3 items to verify before you offer.

Risk index
29
Low risk
Wetlands1.8% of tract

Little to no mapped wetland coverage.

Average slope22.8%

Steep ground — expect meaningful site work to build.

Flood zoneX

Outside the mapped floodplain.

Legal accessRecorded easement

Access by easement; pull and read the recorded document.

Power204 ft away

Power at or near the road.

Buildable area307.88 of 522.54 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$807,337
$665,279$949,394 · $1,545/ac on 523 ac
Asking vs estimate
+35.2%
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 $1,091,600
Maximum allowable offer
$461,335
$883/ac · +30.0% target margin

You need $630,265 off asking to hit this margin.

All-in cost$500,548
Net resale$742,750
Projected profit$242,201
ROI+48.4%
Annualized+69.2%
Break-even resale$1,041/ac
Profit if resale lands off target
-20%
$93,651
-10%
$167,926
0%
$242,201
+10%
$316,476
+20%
$390,751
Comparable sales7 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
SD-508440
Paved · Power at road
497.4Jul 12, 2026$985,8001,9821,6617.3 mi
85
SD-148762
Paved · Power at road
628.1Sep 14, 2025$846,3001,3471,2544.6 mi
82
SD-568638
Landlocked · Off grid
574.1Nov 24, 2024$616,3001,0742,0504.6 mi
73
SD-486981
Dirt · Power at road
172.9Jul 27, 2026$320,9001,8571,5706.7 mi
71
SD-107071
Dirt · Full utilities
184.5Apr 1, 2026$314,0001,7021,2172.6 mi
69
SD-309886
Landlocked · Off grid
1417.9May 6, 2025$787,6005551,3783.8 mi
63
SD-209967
Gravel · Power at road
1503.6Aug 16, 2024$1,685,6001,1211,68510.9 mi
60
Show adjustment detail for the top comp
  • Tract size (497.42 ac → 522.54 ac)-1.5%
  • Access (Paved → Gravel)-15.3%
  • Market time (1 mo)+0.4%

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.