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Mackinac County, MI · Sold

MI-262758

3142 County Road 239

$20,300
$4,593/ac · 4.42 ac
Acreage4.42 ac
Price per acre$4,593/ac
ZoningRecreational
Road accessGravel
UtilitiesOff grid
TopographyRolling
ListedMay 3, 2026
Coordinates46.2464, -85.3716
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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

Mackinac County, Michigan. Northern Lower Peninsula recreational parcels and inland lake frontage.

View Mackinac market data →

Step 1 · Is this a deal?

Due diligence

3 items to verify before you offer.

Risk index
17
Low risk
Wetlands13.8% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope6.5%

Gentle grade, straightforward to develop.

Flood zoneShaded X

Moderate flood hazard on part of the tract.

Legal accessDeeded frontage

230 ft of deeded road frontage.

Power754 ft away

Power at or near the road.

Buildable area3.62 of 4.42 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$17,733
$13,388$22,079 · $4,012/ac on 4.42 ac
Asking vs estimate
+14.5%
Priced above the comp set

Weighted from 9 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 $20,300
Maximum allowable offer
$10,133
$2,293/ac · +30.0% target margin

You need $10,167 off asking to hit this margin.

All-in cost$10,994
Net resale$16,315
Projected profit$5,320
ROI+48.4%
Annualized+69.3%
Break-even resale$2,704/ac
Profit if resale lands off target
-20%
$2,058
-10%
$3,689
0%
$5,320
+10%
$6,952
+20%
$8,583
Comparable sales9 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
MI-752065
Gravel · Power at road
2.7Jul 27, 2026$18,3006,8415,7323.8 mi
81
MI-722294
Dirt · Power at road
3.2Jul 27, 2026$13,6004,3164,2246.0 mi
79
MI-592290
Gravel · Power at road
3.1Oct 9, 2025$11,5003,6443,1700.9 mi
79
MI-962255
Landlocked · Power at road
3.1Jul 27, 2026$6,7002,1752,6907.3 mi
78
MI-622074
Dirt · Off grid
2.7Jul 27, 2026$11,2004,1364,7418.3 mi
77
MI-334055
Paved · Power at road
11.3Mar 17, 2026$43,0003,8022,9540.8 mi
72
MI-973598
Dirt · Full utilities
8.1Oct 19, 2025$33,1004,0693,5244.7 mi
70
MI-222357
Paved · Power at road
3.3Jun 20, 2024$21,5006,5045,0564.2 mi
69
MI-301090
Gravel · Full utilities
1.3Jan 31, 2026$7,5005,6943,9365.4 mi
67
Show adjustment detail for the top comp
  • Tract size (2.68 ac → 4.42 ac)-1.6%
  • Utilities (Power at road → Off grid)-15.0%

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.