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Custer County, MT · Sold

MT-739648

5621 County Road 126

$763,500
$503/ac · 1,519 ac
Acreage1,519 ac
Price per acre$503/ac
ZoningAgricultural
Road accessLandlocked
UtilitiesOff grid
TopographyRolling
ListedDec 29, 2024
Coordinates46.1999, -105.4535
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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

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

2 items to verify before you offer.

Risk index
30
Moderate risk
Wetlands1.4% of tract

Little to no mapped wetland coverage.

Average slope3.7%

Gentle grade, straightforward to develop.

Flood zoneX

Outside the mapped floodplain.

Legal accessLandlocked

No legal access of record — resale is severely limited.

Power5,612 ft away

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

Buildable area1422.70 of 1518.84 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$1,040,132
$956,922$1,123,343 · $685/ac on 1,519 ac
Asking vs estimate
-26.6%
Priced below the comp set

Weighted from 5 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 $763,500
Maximum allowable offer
$594,361
$391/ac · +30.0% target margin

You need $169,139 off asking to hit this margin.

All-in cost$644,882
Net resale$956,922
Projected profit$312,040
ROI+48.4%
Annualized+69.2%
Break-even resale$462/ac
Profit if resale lands off target
-20%
$120,656
-10%
$216,348
0%
$312,040
+10%
$407,732
+20%
$503,424
Comparable sales5 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
MT-499571
Paved · Off grid
1436.4May 1, 2025$1,689,1001,1767022.8 mi
79
MT-189406
Gravel · Full utilities
1274.6Feb 1, 2026$1,718,4001,34861812.3 mi
75
MT-199233
Gravel · Off grid
1124.5Aug 7, 2025$1,206,4001,0736937.5 mi
74
MT-148290
Paved · Off grid
567.9Mar 25, 2025$909,8001,6027219.2 mi
66
MT-978279
Paved · Power at road
563.4Feb 7, 2026$1,063,8001,8886958.1 mi
65
Show adjustment detail for the top comp
  • Tract size (1436.44 ac → 1518.84 ac)-1.7%
  • Access (Paved → Landlocked)-42.4%
  • Market time (15 mo)+5.4%

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.