Dewey County, SD · Sold

SD-158753

1080 County Road 186

$646,000

$1,035/ac · 624 ac

Offer report Market this tract

Acreage624 ac

Price per acre$1,035/ac

ZoningMixed Use

Road accessGravel

UtilitiesOff grid

TopographyFlat

ListedMay 11, 2024

Coordinates45.2088, -100.9184

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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

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

View Dewey market data →

Step 1 · Is this a deal?

Due diligence

4 items to verify before you offer.

Risk index

Moderate risk

Wetlands31.0% of tract

Heavy wetland coverage — assume a delineation and permitting delay.

Average slope2.0%

Gentle grade, straightforward to develop.

Flood zoneA

Inside the 100-year floodplain — insurance and elevation apply.

Legal accessDeeded frontage

3,950 ft of deeded road frontage.

Power10,456 ft away

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

Buildable area409.05 of 624.02 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate

$465,426

$379,365 – $551,486 · $746/ac on 624 ac

Asking vs estimate

+38.8%

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 $646,000

Acres

Resale ($/ac)

Target margin (%)

Hold (months)

Closing (%)

Carry (%/yr)

Selling costs (%)

Your offer

Maximum allowable offer

$265,957

$426/ac · +30.0% target margin

You need $380,043 off asking to hit this margin.

All-in cost$288,563

Net resale$428,192

Projected profit$139,628

ROI+48.4%

Annualized+69.3%

Break-even resale$503/ac

Profit if resale lands off target

-20%

$53,990

-10%

$96,809

$139,628

+10%

$182,447

+20%

$225,267

Comparable sales10 matches

Parcel	Acres	Sold	Price	$/ac	Adj $/ac	Dist	Match
SD-918591 Landlocked · Off grid	554.9	Apr 6, 2026	$239,200	431	621	0.2 mi	86
SD-839297 Gravel · Off grid	925.4	Jul 27, 2026	$801,700	866	980	2.3 mi	85
SD-459471 Gravel · Full utilities	1049.8	Jul 27, 2026	$1,039,800	991	812	1.6 mi	82
SD-309035 Gravel · Off grid	765.5	Dec 21, 2025	$478,400	625	684	10.8 mi	79
SD-569210 Dirt · Full utilities	868.9	May 13, 2026	$660,700	760	689	10.8 mi	75
SD-339393 Landlocked · Off grid	992.1	Nov 5, 2025	$452,600	456	799	6.1 mi	74
SD-618408 Gravel · Full utilities	486.0	Oct 17, 2024	$365,400	752	523	6.6 mi	72
SD-887511 Landlocked · Off grid	253.8	May 9, 2026	$148,900	587	668	6.9 mi	71
SD-849094 Gravel · Power at road	798.9	Oct 25, 2024	$776,200	972	959	11.0 mi	69
SD-759968 Paved · Full utilities	1504.7	Aug 29, 2024	$1,261,100	838	704	7.1 mi	64

Show adjustment detail for the top comp

Tract size (554.92 ac → 624.02 ac)-3.5%
Access (Landlocked → Gravel)+47.1%
Market time (4 mo)+1.5%

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