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Sully County, SD · Sold

SD-798765

3115 County Road 15

$1,183,100
$1,880/ac · 629 ac
Acreage629 ac
Price per acre$1,880/ac
ZoningAgricultural
Road accessGravel
UtilitiesPower at road
TopographyRolling
ListedFeb 17, 2025
Coordinates44.7191, -100.1557
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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

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

View Sully market data →

Step 1 · Is this a deal?

Due diligence

1 item to verify before you offer.

Risk index
18
Low risk
Wetlands4.7% of tract

Little to no mapped wetland coverage.

Average slope9.8%

Gentle grade, straightforward to develop.

Flood zoneX

Outside the mapped floodplain.

Legal accessRecorded easement

Access by easement; pull and read the recorded document.

Power188 ft away

Power at or near the road.

Buildable area569.89 of 629.47 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$1,219,493
$1,065,808$1,373,177 · $1,937/ac on 629 ac
Asking vs estimate
-3.0%
In line with the comp set

Weighted from 6 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 $1,183,100
Maximum allowable offer
$696,853
$1,107/ac · +30.0% target margin

You need $486,247 off asking to hit this margin.

All-in cost$756,086
Net resale$1,121,933
Projected profit$365,848
ROI+48.4%
Annualized+69.2%
Break-even resale$1,306/ac
Profit if resale lands off target
-20%
$141,461
-10%
$253,654
0%
$365,848
+10%
$478,041
+20%
$590,234
Comparable sales6 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
SD-129105
Gravel · Full utilities
805.3Sep 6, 2025$1,949,1002,4202,2244.4 mi
82
SD-659524
Gravel · Power at road
1090.8Sep 26, 2025$1,347,0001,2351,5185.7 mi
74
SD-197822
Gravel · Power at road
317.9Dec 14, 2025$724,7002,2801,9106.5 mi
73
SD-758143
Landlocked · Off grid
401.1Jun 16, 2024$487,3001,2152,0015.4 mi
70
SD-127320
Paved · Off grid
221.0Apr 13, 2025$509,7002,3071,7837.3 mi
64
SD-387562
Paved · Power at road
263.3Jul 2, 2024$806,6003,0632,1827.3 mi
61
Show adjustment detail for the top comp
  • Tract size (805.27 ac → 629.47 ac)+7.9%
  • Utilities (Full utilities → Power at road)-18.0%
  • Market time (11 mo)+4.0%

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.