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St. Clair County, MI · Sold

MI-371412

3905 County Road 87

$8,900
$5,329/ac · 1.67 ac
Acreage1.67 ac
Price per acre$5,329/ac
ZoningResidential
Road accessDirt
UtilitiesPower at road
TopographyWooded
ListedSep 6, 2024
Coordinates42.9084, -82.6239
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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

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

View St. Clair market data →

Step 1 · Is this a deal?

Due diligence

4 items to verify before you offer.

Risk index
26
Low risk
Wetlands19.6% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope3.1%

Gentle grade, straightforward to develop.

Flood zoneShaded X

Moderate flood hazard on part of the tract.

Legal accessRecorded easement

Access by easement; pull and read the recorded document.

Power34 ft away

Power at or near the road.

Buildable area1.28 of 1.67 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$8,522
$6,374$10,670 · $5,103/ac on 1.67 ac
Asking vs estimate
+4.4%
In line with 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 $8,900
Maximum allowable offer
$4,870
$2,916/ac · +30.0% target margin

You need $4,030 off asking to hit this margin.

All-in cost$5,284
Net resale$7,840
Projected profit$2,556
ROI+48.4%
Annualized+69.2%
Break-even resale$3,439/ac
Profit if resale lands off target
-20%
$988
-10%
$1,772
0%
$2,556
+10%
$3,340
+20%
$4,124
Comparable sales5 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
MI-561807
Dirt · Power at road
2.2Jun 28, 2025$14,4006,4806,8264.1 mi
83
MI-590800
Dirt · Power at road
1.1Apr 25, 2025$6,4005,9766,2663.3 mi
79
MI-250585
Paved · Power at road
0.9Dec 12, 2025$5,4005,8174,3269.2 mi
74
MI-780135
Dirt · Off grid
0.7Jul 27, 2026$2,0003,0513,5608.0 mi
73
MI-560909
Gravel · Off grid
1.2Aug 7, 2025$4,6003,9974,1965.2 mi
72
Show adjustment detail for the top comp
  • Tract size (2.22 ac → 1.67 ac)+0.6%
  • Market time (14 mo)+4.8%

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.