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Mackinac County, MI · Sold

MI-592290

8340 County Road 143

$12,600
$4,000/ac · 3.15 ac
Acreage3.15 ac
Price per acre$4,000/ac
ZoningAgricultural
Road accessGravel
UtilitiesPower at road
TopographyFlat
ListedSep 14, 2025
Coordinates46.2400, -85.3550
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

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
38
Moderate risk
Wetlands36.8% of tract

Heavy wetland coverage — assume a delineation and permitting delay.

Average slope0.8%

Gentle grade, straightforward to develop.

Flood zoneAE

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

Legal accessDeeded frontage

457 ft of deeded road frontage.

Power184 ft away

Power at or near the road.

Buildable area1.89 of 3.15 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$15,744
$12,258$19,231 · $4,998/ac on 3.15 ac
Asking vs estimate
-20.0%
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 $12,600
Maximum allowable offer
$8,997
$2,856/ac · +30.0% target margin

You need $3,603 off asking to hit this margin.

All-in cost$9,762
Net resale$14,485
Projected profit$4,723
ROI+48.4%
Annualized+69.2%
Break-even resale$3,368/ac
Profit if resale lands off target
-20%
$1,826
-10%
$3,274
0%
$4,723
+10%
$6,171
+20%
$7,620
Comparable sales10 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
MI-722294
Dirt · Power at road
3.2Jul 27, 2026$13,6004,3165,0305.2 mi
92
MI-752065
Gravel · Power at road
2.7Jul 27, 2026$18,3006,8416,8253.0 mi
89
MI-962255
Landlocked · Power at road
3.1Jul 27, 2026$6,7002,1753,2036.4 mi
87
MI-262758
Gravel · Off grid
4.4Jul 27, 2026$21,9004,9465,9030.9 mi
85
MI-622074
Dirt · Off grid
2.7Jul 27, 2026$11,2004,1365,6458.0 mi
82
MI-222357
Paved · Power at road
3.3Jun 20, 2024$21,5006,5046,0203.7 mi
76
MI-301090
Gravel · Full utilities
1.3Jan 31, 2026$7,5005,6944,6874.6 mi
71
MI-480590
Landlocked · Off grid
0.9Jul 27, 2026$2,1002,2603,8322.2 mi
71
MI-973598
Dirt · Full utilities
8.1Oct 19, 2025$33,1004,0694,1964.0 mi
66
MI-541015
Gravel · Power at road
1.3Jul 3, 2024$4,8003,8154,0772.8 mi
66
Show adjustment detail for the top comp
  • Access (Dirt → Gravel)+16.3%

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.