← New search
Brown County, SD · Sold

SD-444607

6111 County Road 266

$104,200
$3,366/ac · 30.96 ac
Acreage30.96 ac
Price per acre$3,366/ac
ZoningMixed Use
Road accessGravel
UtilitiesFull utilities
TopographySloped
ListedJul 22, 2026
Coordinates45.5530, -98.2365
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

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

View Brown market data →

Step 1 · Is this a deal?

Due diligence

2 items to verify before you offer.

Risk index
24
Low risk
Wetlands0.5% of tract

Little to no mapped wetland coverage.

Average slope31.8%

Steep ground — expect meaningful site work to build.

Flood zoneX

Outside the mapped floodplain.

Legal accessDeeded frontage

759 ft of deeded road frontage.

PowerOn site

Power at or near the road.

Buildable area18.48 of 30.96 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$99,736
$88,770$110,703 · $3,221/ac on 30.96 ac
Asking vs estimate
+4.5%
In line with the comp set

Weighted from 5 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 $104,200
Maximum allowable offer
$56,992
$1,841/ac · +30.0% target margin

You need $47,208 off asking to hit this margin.

All-in cost$61,836
Net resale$91,758
Projected profit$29,921
ROI+48.4%
Annualized+69.3%
Break-even resale$2,171/ac
Profit if resale lands off target
-20%
$11,570
-10%
$20,745
0%
$29,921
+10%
$39,097
+20%
$48,273
Comparable sales5 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
SD-684808
Gravel · Full utilities
35.8Dec 21, 2024$116,3003,2493,5605.5 mi
77
SD-434656
Dirt · Full utilities
32.1Jul 4, 2025$69,4002,1622,64712.2 mi
75
SD-473235
Paved · Off grid
11.5Mar 26, 2026$33,2002,8933,1611.0 mi
71
SD-663175
Gravel · Power at road
11.0Dec 16, 2023$29,6002,6943,2194.6 mi
60
SD-876165
Dirt · Off grid
95.7Mar 23, 2024$149,4001,5613,6168.4 mi
54
Show adjustment detail for the top comp
  • Tract size (35.81 ac → 30.96 ac)+2.5%
  • Market time (20 mo)+6.9%

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.