← New search
Sonoma County, CA · Sold

CA-643480

5860 County Road 299

$204,800
$20,583/ac · 9.95 ac
Acreage9.95 ac
Price per acre$20,583/ac
ZoningResidential
Road accessDirt
UtilitiesPower at road
TopographyMixed
ListedJun 12, 2026
Coordinates38.5918, -122.8259
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

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

View Sonoma market data →

Step 1 · Is this a deal?

Due diligence

No material red flags on the mapped layers.

Risk index
9
Low risk
Wetlands5.9% of tract

Little to no mapped wetland coverage.

Average slope8.5%

Gentle grade, straightforward to develop.

Flood zoneX

Outside the mapped floodplain.

Legal accessDeeded frontage

578 ft of deeded road frontage.

Power78 ft away

Power at or near the road.

Buildable area8.89 of 9.95 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$126,745
$114,487$139,004 · $12,738/ac on 9.95 ac
Asking vs estimate
+61.6%
Priced above 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 $204,800
Maximum allowable offer
$72,426
$7,279/ac · +30.0% target margin

You need $132,374 off asking to hit this margin.

All-in cost$78,582
Net resale$116,606
Projected profit$38,023
ROI+48.4%
Annualized+69.2%
Break-even resale$8,584/ac
Profit if resale lands off target
-20%
$14,702
-10%
$26,363
0%
$38,023
+10%
$49,684
+20%
$61,344
Comparable sales5 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
CA-763568
Gravel · Power at road
10.6Apr 28, 2026$140,10013,20611,5606.7 mi
84
CA-992925
Dirt · Power at road
6.7Jul 24, 2026$98,60014,80014,4354.4 mi
84
CA-103372
Dirt · Off grid
9.2Apr 15, 2025$86,2009,36411,56414.3 mi
73
CA-194188
Paved · Off grid
16.6Nov 15, 2025$220,20013,24812,31012.1 mi
67
CA-165102
Paved · Power at road
32.2Nov 24, 2023$480,10014,89713,94510.3 mi
59
Show adjustment detail for the top comp
  • Tract size (10.61 ac → 9.95 ac)+0.5%
  • Access (Gravel → Dirt)-14.0%
  • Market time (4 mo)+1.3%

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.