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Mackinac County, MI · Sold

MI-269237

5178 County Road 178

$463,500
$959/ac · 483 ac
Acreage483 ac
Price per acre$959/ac
ZoningRecreational
Road accessLandlocked
UtilitiesOff grid
TopographyWooded
ListedNov 2, 2023
Coordinates46.2530, -85.2145
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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

5 items to verify before you offer.

Risk index
48
Moderate risk
Wetlands14.1% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope6.1%

Gentle grade, straightforward to develop.

Flood zoneShaded X

Moderate flood hazard on part of the tract.

Legal accessLandlocked

No legal access of record — resale is severely limited.

Power13,718 ft away

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

Buildable area394.41 of 483.31 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$508,511
$400,509$616,512 · $1,052/ac on 483 ac
Asking vs estimate
-8.9%
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 $463,500
Maximum allowable offer
$290,578
$601/ac · +30.0% target margin

You need $172,922 off asking to hit this margin.

All-in cost$315,277
Net resale$467,830
Projected profit$152,553
ROI+48.4%
Annualized+69.2%
Break-even resale$709/ac
Profit if resale lands off target
-20%
$58,987
-10%
$105,770
0%
$152,553
+10%
$199,336
+20%
$246,119
Comparable sales5 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
MI-829327
Gravel · Full utilities
515.9Jul 27, 2026$1,308,1002,5361,22811.3 mi
81
MI-129217
Paved · Power at road
476.4Apr 10, 2025$847,3001,7799177.0 mi
76
MI-759594
Gravel · Off grid
626.0Nov 8, 2025$1,130,7001,8061,3718.9 mi
75
MI-618241
Paved · Off grid
234.9Sep 29, 2025$397,3001,6918186.4 mi
74
MI-137130
Gravel · Full utilities
105.0Oct 22, 2024$266,3002,53584312.7 mi
51
Show adjustment detail for the top comp
  • Tract size (515.88 ac → 483.31 ac)+2.0%
  • Access (Gravel → Landlocked)-32.0%
  • 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.