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St. Clair County, IL · Sold

IL-626456

3479 County Road 73

$792,100
$12,288/ac · 64.46 ac
Acreage64.46 ac
Price per acre$12,288/ac
ZoningResidential
Road accessGravel
UtilitiesOff grid
TopographyRolling
ListedJul 23, 2025
Coordinates38.4127, -89.9139
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

St. Clair County, Illinois. Class A row-crop ground; farmland yields anchor pricing.

View St. Clair market data →

Step 1 · Is this a deal?

Due diligence

4 items to verify before you offer.

Risk index
28
Low risk
Wetlands11.0% of tract

Little to no mapped wetland coverage.

Average slope12.4%

Rolling to steep in places; pad prep likely.

Flood zoneShaded X

Moderate flood hazard on part of the tract.

Legal accessDeeded frontage

1,776 ft of deeded road frontage.

Power9,280 ft away

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

Buildable area45.90 of 64.46 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$693,952
$565,071$822,834 · $10,766/ac on 64.46 ac
Asking vs estimate
+14.1%
Priced above 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 $792,100
Maximum allowable offer
$396,544
$6,152/ac · +30.0% target margin

You need $395,556 off asking to hit this margin.

All-in cost$430,250
Net resale$638,436
Projected profit$208,186
ROI+48.4%
Annualized+69.2%
Break-even resale$7,255/ac
Profit if resale lands off target
-20%
$80,499
-10%
$144,342
0%
$208,186
+10%
$272,030
+20%
$335,873
Comparable sales10 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
IL-506650
Gravel · Off grid
74.2Jul 27, 2026$654,6008,8249,1256.4 mi
92
IL-626787
Gravel · Off grid
81.9Jul 27, 2026$936,40011,42912,0935.1 mi
91
IL-886565
Landlocked · Full utilities
69.8Jul 27, 2026$567,9008,1418,5077.4 mi
83
IL-257164
Gravel · Power at road
107.7Jul 21, 2026$907,1008,4258,1027.4 mi
78
IL-775868
Paved · Power at road
42.1Jul 27, 2026$532,30012,6448,3727.4 mi
77
IL-367555
Paved · Power at road
142.9Jul 27, 2026$1,819,50012,73211,1549.8 mi
75
IL-727452
Paved · Power at road
132.6Dec 29, 2025$2,029,00015,29813,4584.4 mi
74
IL-615042
Dirt · Off grid
23.1Apr 15, 2026$313,10013,53213,2737.9 mi
73
IL-475998
Gravel · Off grid
46.3Jul 23, 2024$553,30011,96112,1386.5 mi
71
IL-535203
Gravel · Off grid
26.0Oct 13, 2024$350,60013,47912,2842.8 mi
67
Show adjustment detail for the top comp
  • Tract size (74.19 ac → 64.46 ac)+3.2%

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.