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Custer County, MT · Sold

MT-257389

9491 County Road 311

$398,900
$1,349/ac · 296 ac
Acreage296 ac
Price per acre$1,349/ac
ZoningUnzoned
Road accessDirt
UtilitiesOff grid
TopographySloped
ListedFeb 12, 2025
Coordinates46.3052, -105.6031
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

Custer County, Montana. Big-sky ranch splits; recreational amenity value increasingly outruns ag value.

View Custer market data →

Step 1 · Is this a deal?

Due diligence

4 items to verify before you offer.

Risk index
39
Moderate risk
Wetlands4.7% of tract

Little to no mapped wetland coverage.

Average slope30.0%

Steep ground — expect meaningful site work to build.

Flood zoneX

Outside the mapped floodplain.

Legal accessRecorded easement

Access by easement; pull and read the recorded document.

Power3,442 ft away

Service extension needed; get a utility quote.

Buildable area169.06 of 295.67 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$429,382
$395,032$463,733 · $1,452/ac on 296 ac
Asking vs estimate
-7.1%
Priced below 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 $398,900
Maximum allowable offer
$245,361
$830/ac · +30.0% target margin

You need $153,539 off asking to hit this margin.

All-in cost$266,217
Net resale$395,032
Projected profit$128,815
ROI+48.4%
Annualized+69.2%
Break-even resale$979/ac
Profit if resale lands off target
-20%
$49,809
-10%
$89,312
0%
$128,815
+10%
$168,318
+20%
$207,821
Comparable sales6 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
MT-347901
Landlocked · Full utilities
428.4Jul 27, 2026$625,2001,4591,4386.0 mi
83
MT-596834
Dirt · Power at road
197.8Jul 21, 2025$320,8001,6221,2855.4 mi
73
MT-877495
Dirt · Full utilities
319.3Oct 14, 2024$637,5001,9971,53210.2 mi
73
MT-978279
Paved · Power at road
563.4Feb 7, 2026$1,063,8001,8881,4489.0 mi
68
MT-148290
Paved · Off grid
567.9Mar 25, 2025$909,8001,6021,5013.6 mi
68
MT-386108
Gravel · Power at road
116.9Sep 24, 2025$303,1002,5931,5247.1 mi
64
Show adjustment detail for the top comp
  • Tract size (428.43 ac → 295.67 ac)+11.6%
  • Access (Landlocked → Dirt)+26.5%
  • 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.