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San Diego County, CA · Sold

CA-369845

9431 County Road 28

$2,640,300
$2,638/ac · 1,001 ac
Acreage1,001 ac
Price per acre$2,638/ac
ZoningUnzoned
Road accessLandlocked
UtilitiesPower at road
TopographyFlat
ListedJan 5, 2025
Coordinates32.9640, -116.8836
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

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

View San Diego market data →

Step 1 · Is this a deal?

Due diligence

4 items to verify before you offer.

Risk index
67
High risk
Wetlands43.0% of tract

Heavy wetland coverage — assume a delineation and permitting delay.

Average slope3.2%

Gentle grade, straightforward to develop.

Flood zoneAE

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

Legal accessLandlocked

No legal access of record — resale is severely limited.

Power57 ft away

Power at or near the road.

Buildable area542.06 of 1001.04 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$2,319,681
$1,898,299$2,741,063 · $2,317/ac on 1,001 ac
Asking vs estimate
+13.8%
Priced above 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 $2,640,300
Maximum allowable offer
$1,325,532
$1,324/ac · +30.0% target margin

You need $1,314,768 off asking to hit this margin.

All-in cost$1,438,202
Net resale$2,134,106
Projected profit$695,904
ROI+48.4%
Annualized+69.2%
Break-even resale$1,562/ac
Profit if resale lands off target
-20%
$269,083
-10%
$482,493
0%
$695,904
+10%
$909,314
+20%
$1,122,725
Comparable sales8 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
CA-129616
Gravel · Full utilities
848.0Jul 27, 2026$2,996,1003,5331,8753.5 mi
84
CA-358433
Landlocked · Power at road
359.9Jan 5, 2026$1,211,1003,3652,52812.6 mi
66
CA-849483
Dirt · Off grid
770.1Mar 19, 2025$2,467,2003,2042,91116.1 mi
65
CA-588309
Dirt · Off grid
329.0Sep 11, 2024$986,4002,9982,1516.5 mi
58
CA-108118
Gravel · Full utilities
286.5Dec 4, 2025$1,511,4005,2762,07414.9 mi
58
CA-268252
Landlocked · Off grid
315.7Feb 17, 2025$1,093,4003,4633,05214.6 mi
57
CA-968608
Paved · Full utilities
408.6Jan 21, 2025$2,117,9005,1841,98514.2 mi
57
CA-648135
Dirt · Power at road
290.0Jan 7, 2025$1,021,4003,5222,04416.4 mi
55
Show adjustment detail for the top comp
  • Tract size (848.02 ac → 1001.04 ac)-5.0%
  • Access (Gravel → Landlocked)-32.0%
  • Utilities (Full utilities → Power at road)-18.0%

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.