Sully County, SD · Sold

SD-246682

8391 County Road 158

$370,300

$2,660/ac · 139 ac

Offer report Market this tract

Acreage139 ac

Price per acre$2,660/ac

ZoningMixed Use

Road accessDirt

UtilitiesOff grid

TopographyWooded

ListedSep 25, 2023

Coordinates44.7452, -100.1565

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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

Low risk

Wetlands5.4% of tract

Little to no mapped wetland coverage.

Average slope6.5%

Gentle grade, straightforward to develop.

Flood zoneX

Outside the mapped floodplain.

Legal accessDeeded frontage

1,203 ft of deeded road frontage.

Power7,250 ft away

A long utility run — price in solar/off-grid instead.

Buildable area125.10 of 139.20 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate

$309,566

$262,960 – $356,172 · $2,224/ac on 139 ac

Asking vs estimate

+19.6%

Priced above 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 $370,300

Acres

Resale ($/ac)

Target margin (%)

Hold (months)

Closing (%)

Carry (%/yr)

Selling costs (%)

Your offer

Maximum allowable offer

$176,895

$1,271/ac · +30.0% target margin

You need $193,405 off asking to hit this margin.

All-in cost$191,931

Net resale$284,801

Projected profit$92,870

ROI+48.4%

Annualized+69.2%

Break-even resale$1,499/ac

Profit if resale lands off target

-20%

$35,910

-10%

$64,390

$92,870

+10%

$121,350

+20%

$149,830

Comparable sales10 matches

Parcel	Acres	Sold	Price	$/ac	Adj $/ac	Dist	Match
SD-326599 Gravel · Full utilities	131.1	Jul 25, 2026	$409,100	3,121	1,845	4.6 mi	85
SD-145671 Gravel · Off grid	66.9	Jul 27, 2026	$151,900	2,270	1,637	2.9 mi	77
SD-305236 Dirt · Full utilities	48.8	Jul 27, 2026	$206,200	4,222	2,309	7.6 mi	72
SD-127320 Paved · Off grid	221.0	Apr 13, 2025	$509,700	2,307	2,015	5.9 mi	70
SD-965112 Dirt · Power at road	44.6	Jan 31, 2026	$172,300	3,859	2,581	5.4 mi	68
SD-446179 Dirt · Power at road	96.7	May 8, 2024	$281,800	2,915	2,474	8.0 mi	67
SD-197822 Gravel · Power at road	317.9	Dec 14, 2025	$724,700	2,280	2,158	7.5 mi	67
SD-387562 Paved · Power at road	263.3	Jul 2, 2024	$806,600	3,063	2,465	6.4 mi	66
SD-758143 Landlocked · Off grid	401.1	Jun 16, 2024	$487,300	1,215	2,261	3.7 mi	61
SD-894972 Gravel · Power at road	40.3	Feb 27, 2024	$184,500	4,574	2,786	4.4 mi	56

Show adjustment detail for the top comp

Tract size (131.08 ac → 139.2 ac)-1.6%
Access (Gravel → Dirt)-14.0%
Utilities (Full utilities → Off grid)-30.3%

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.

Build the listing kit Post a deal or JV