Dewey County, SD · Sold

SD-618408

9439 County Road 66

$411,500

$847/ac · 486 ac

Offer report Market this tract

Acreage486 ac

Price per acre$847/ac

ZoningRecreational

Road accessGravel

UtilitiesFull utilities

TopographyWooded

ListedDec 29, 2023

Coordinates45.1708, -100.7942

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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

1 item to verify before you offer.

Risk index

Low risk

Wetlands8.6% of tract

Little to no mapped wetland coverage.

Average slope7.3%

Gentle grade, straightforward to develop.

Flood zoneX

Outside the mapped floodplain.

Legal accessRecorded easement

Access by easement; pull and read the recorded document.

PowerOn site

Power at or near the road.

Buildable area422.01 of 486.02 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate

$608,533

$483,867 – $733,200 · $1,252/ac on 486 ac

Asking vs estimate

-32.4%

Priced below 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 $411,500

Acres

Resale ($/ac)

Target margin (%)

Hold (months)

Closing (%)

Carry (%/yr)

Selling costs (%)

Your offer

Maximum allowable offer

$347,733

$715/ac · +30.0% target margin

You need $63,767 off asking to hit this margin.

All-in cost$377,290

Net resale$559,851

Projected profit$182,560

ROI+48.4%

Annualized+69.2%

Break-even resale$844/ac

Profit if resale lands off target

-20%

$70,590

-10%

$126,575

$182,560

+10%

$238,545

+20%

$294,530

Comparable sales10 matches

Parcel	Acres	Sold	Price	$/ac	Adj $/ac	Dist	Match
SD-839297 Gravel · Off grid	925.4	Jul 27, 2026	$801,700	866	1,518	8.8 mi	81
SD-918591 Landlocked · Off grid	554.9	Apr 6, 2026	$239,200	431	961	6.6 mi	80
SD-459471 Gravel · Full utilities	1049.8	Jul 27, 2026	$1,039,800	991	1,257	7.0 mi	77
SD-887511 Landlocked · Off grid	253.8	May 9, 2026	$148,900	587	1,034	1.4 mi	76
SD-309035 Gravel · Off grid	765.5	Dec 21, 2025	$478,400	625	1,058	6.0 mi	75
SD-569210 Dirt · Full utilities	868.9	May 13, 2026	$660,700	760	1,067	9.2 mi	73
SD-376945 Landlocked · Power at road	168.4	Jul 27, 2026	$143,100	850	1,125	1.9 mi	73
SD-339393 Landlocked · Off grid	992.1	Nov 5, 2025	$452,600	456	1,237	7.7 mi	71
SD-158753 Gravel · Off grid	624.0	Jun 18, 2024	$672,500	1,078	1,820	6.6 mi	70
SD-849094 Gravel · Power at road	798.9	Oct 25, 2024	$776,200	972	1,484	4.4 mi	70

Show adjustment detail for the top comp

Tract size (925.44 ac → 486.02 ac)+21.8%
Utilities (Off grid → Full utilities)+43.5%

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