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Riverside County, CA · Sold

CA-768306

3940 County Road 178

$817,400
$2,490/ac · 328 ac
Acreage328 ac
Price per acre$2,490/ac
ZoningUnzoned
Road accessLandlocked
UtilitiesOff grid
TopographyWooded
ListedJul 17, 2026
Coordinates33.7585, -116.0146
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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

Riverside County, California. Wide spread between Central Valley ag ground and buildable foothill parcels.

View Riverside market data →

Step 1 · Is this a deal?

Due diligence

2 items to verify before you offer.

Risk index
32
Moderate risk
Wetlands2.3% of tract

Little to no mapped wetland coverage.

Average slope4.5%

Gentle grade, straightforward to develop.

Flood zoneX

Outside the mapped floodplain.

Legal accessLandlocked

No legal access of record — resale is severely limited.

Power6,914 ft away

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

Buildable area304.70 of 328.29 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$867,223
$711,919$1,022,527 · $2,642/ac on 328 ac
Asking vs estimate
-5.7%
Priced below the comp set

Weighted from 7 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 $817,400
Maximum allowable offer
$495,556
$1,510/ac · +30.0% target margin

You need $321,844 off asking to hit this margin.

All-in cost$537,678
Net resale$797,845
Projected profit$260,167
ROI+48.4%
Annualized+69.2%
Break-even resale$1,780/ac
Profit if resale lands off target
-20%
$100,598
-10%
$180,382
0%
$260,167
+10%
$339,951
+20%
$419,736
Comparable sales7 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
CA-658786
Gravel · Full utilities
464.8Apr 6, 2026$2,074,2004,4622,3809.1 mi
74
CA-378376
Gravel · Off grid
345.4Feb 17, 2024$1,046,3003,0302,31010.6 mi
71
CA-288871
Gravel · Full utilities
494.3Jul 28, 2025$2,391,2004,8372,7037.6 mi
70
CA-379660
Gravel · Off grid
875.5Jul 27, 2026$2,943,8003,3633,08315.3 mi
67
CA-707603
Paved · Off grid
197.3Aug 31, 2024$1,298,6006,5833,5498.4 mi
66
CA-616723
Paved · Full utilities
104.3Jul 27, 2026$882,5008,4622,48712.1 mi
65
CA-449206
Gravel · Power at road
630.1Aug 1, 2025$1,735,5002,7542,0208.1 mi
65
Show adjustment detail for the top comp
  • Tract size (464.81 ac → 328.29 ac)+10.9%
  • Access (Gravel → Landlocked)-32.0%
  • Utilities (Full utilities → Off grid)-30.3%
  • Market time (4 mo)+1.5%

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.