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Custer County, SD · Sold

SD-503710

6430 County Road 83

$79,000
$4,886/ac · 16.17 ac
Acreage16.17 ac
Price per acre$4,886/ac
ZoningResidential
Road accessPaved
UtilitiesPower at road
TopographySloped
ListedMar 28, 2026
Coordinates43.6361, -103.3360
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

2 items to verify before you offer.

Risk index
27
Low risk
Wetlands5.9% of tract

Little to no mapped wetland coverage.

Average slope26.7%

Steep ground — expect meaningful site work to build.

Flood zoneX

Outside the mapped floodplain.

Legal accessDeeded frontage

941 ft of deeded road frontage.

Power34 ft away

Power at or near the road.

Buildable area9.13 of 16.17 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$75,248
$55,938$94,558 · $4,654/ac on 16.17 ac
Asking vs estimate
+5.0%
In line with the comp set

Weighted from 10 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 $79,000
Maximum allowable offer
$42,999
$2,659/ac · +30.0% target margin

You need $36,001 off asking to hit this margin.

All-in cost$46,654
Net resale$69,229
Projected profit$22,575
ROI+48.4%
Annualized+69.3%
Break-even resale$3,136/ac
Profit if resale lands off target
-20%
$8,729
-10%
$15,652
0%
$22,575
+10%
$29,497
+20%
$36,420
Comparable sales10 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
SD-963286
Paved · Power at road
11.9Jul 27, 2026$69,9005,8795,7119.2 mi
82
SD-933421
Dirt · Off grid
13.1May 21, 2026$42,7003,2605,2009.3 mi
78
SD-474986
Gravel · Off grid
40.7Jul 27, 2026$146,0003,5835,7144.2 mi
77
SD-983088
Gravel · Power at road
10.3Jul 27, 2026$43,9004,2654,82911.0 mi
76
SD-403836
Landlocked · Off grid
17.7Oct 11, 2025$25,0001,4103,0118.2 mi
76
SD-172071
Landlocked · Power at road
4.9Jul 27, 2026$10,8002,1993,4986.6 mi
70
SD-543033
Dirt · Off grid
9.9Jun 2, 2025$20,4002,0563,32811.4 mi
65
SD-582549
Paved · Off grid
7.0May 9, 2025$34,3004,9245,6839.6 mi
64
SD-395115
Dirt · Power at road
44.7Jun 10, 2025$81,6001,8253,0667.5 mi
63
SD-485233
Gravel · Power at road
48.7Dec 15, 2024$206,5004,2396,3487.5 mi
59
Show adjustment detail for the top comp
  • Tract size (11.89 ac → 16.17 ac)-3.1%

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.