Sonoma County, CA · Sold

CA-625284

7633 County Road 186

$644,300

$17,522/ac · 36.77 ac

Offer report Market this tract

Acreage36.77 ac

Price per acre$17,522/ac

ZoningMixed Use

Road accessGravel

UtilitiesPower at road

TopographyFlat

ListedDec 21, 2024

Coordinates38.4401, -122.8518

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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

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

3 items to verify before you offer.

Risk index

Low risk

Wetlands24.2% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope1.8%

Gentle grade, straightforward to develop.

Flood zoneA

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

Legal accessDeeded frontage

714 ft of deeded road frontage.

Power62 ft away

Power at or near the road.

Buildable area26.48 of 36.77 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate

$441,875

$387,856 – $495,894 · $12,017/ac on 36.77 ac

Asking vs estimate

+45.8%

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 $644,300

Acres

Resale ($/ac)

Target margin (%)

Hold (months)

Closing (%)

Carry (%/yr)

Selling costs (%)

Your offer

Maximum allowable offer

$252,500

$6,867/ac · +30.0% target margin

You need $391,800 off asking to hit this margin.

All-in cost$273,963

Net resale$406,525

Projected profit$132,562

ROI+48.4%

Annualized+69.2%

Break-even resale$8,099/ac

Profit if resale lands off target

-20%

$51,257

-10%

$91,910

$132,562

+10%

$173,215

+20%

$213,867

Comparable sales8 matches

Parcel	Acres	Sold	Price	$/ac	Adj $/ac	Dist	Match
CA-145677 Dirt · Full utilities	48.9	Jul 27, 2026	$526,300	10,767	10,848	5.5 mi	80
CA-805920 Dirt · Full utilities	58.3	Jul 7, 2026	$566,200	9,714	10,170	6.0 mi	77
CA-945994 Dirt · Power at road	61.5	Nov 23, 2025	$670,100	10,896	14,442	1.9 mi	76
CA-865285 Dirt · Off grid	36.8	Dec 4, 2025	$280,400	7,619	10,729	14.5 mi	75
CA-763568 Gravel · Power at road	10.6	Apr 28, 2026	$140,100	13,206	11,405	13.6 mi	71
CA-165102 Paved · Power at road	32.2	Nov 24, 2023	$480,100	14,897	13,757	7.6 mi	70
CA-194188 Paved · Off grid	16.6	Nov 15, 2025	$220,200	13,248	12,144	2.3 mi	69
CA-486619 Dirt · Off grid	96.7	May 28, 2024	$687,700	7,110	13,052	4.5 mi	59

Show adjustment detail for the top comp

Tract size (48.88 ac → 36.77 ac)+5.5%
Access (Dirt → Gravel)+16.3%
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.

Build the listing kit Post a deal or JV