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Sangamon County, IL · Sold

IL-527931

4042 County Road 88

$777,900
$4,145/ac · 188 ac
Acreage188 ac
Price per acre$4,145/ac
ZoningUnzoned
Road accessGravel
UtilitiesOff grid
TopographyFlat
ListedJan 24, 2026
Coordinates39.7957, -89.7159
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

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

View Sangamon market data →

Step 1 · Is this a deal?

Due diligence

5 items to verify before you offer.

Risk index
41
Moderate risk
Wetlands23.5% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope1.2%

Gentle grade, straightforward to develop.

Flood zoneA

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

Legal accessRecorded easement

Access by easement; pull and read the recorded document.

Power14,446 ft away

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

Buildable area136.37 of 187.65 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$1,029,980
$876,286$1,183,674 · $5,489/ac on 188 ac
Asking vs estimate
-24.5%
Priced below the comp set

Weighted from 8 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 $777,900
Maximum allowable offer
$588,560
$3,136/ac · +30.0% target margin

You need $189,340 off asking to hit this margin.

All-in cost$638,588
Net resale$947,582
Projected profit$308,994
ROI+48.4%
Annualized+69.2%
Break-even resale$3,699/ac
Profit if resale lands off target
-20%
$119,478
-10%
$214,236
0%
$308,994
+10%
$403,752
+20%
$498,510
Comparable sales8 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
IL-398167
Paved · Full utilities
222.6Jul 27, 2026$2,246,90010,0926,2643.4 mi
84
IL-948611
Gravel · Power at road
307.1Jul 27, 2026$2,141,2006,9726,8325.0 mi
80
IL-987892
Gravel · Power at road
182.4Mar 26, 2025$864,7004,7404,2317.4 mi
77
IL-538304
Gravel · Power at road
245.9Nov 4, 2025$1,299,5005,2855,0057.3 mi
76
IL-156586
Dirt · Power at road
70.8Jul 27, 2026$510,6007,2095,5831.0 mi
75
IL-848760
Paved · Full utilities
342.1Mar 19, 2026$2,580,8007,5445,3798.8 mi
70
IL-719591
Paved · Power at road
624.6Dec 7, 2025$3,414,8005,4675,76410.8 mi
60
IL-449159
Paved · Full utilities
456.8May 27, 2025$2,603,4005,7004,57710.9 mi
60
Show adjustment detail for the top comp
  • Tract size (222.64 ac → 187.65 ac)+4.9%
  • Access (Paved → Gravel)-15.3%
  • 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.