12866 River Rd, Guerneville, CA 95446 Property Records

Sonoma County property record for 12866 River Rd, Guerneville, CA 95446

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,461 sqft · built 1939
Lot Size	0.905 acres (39,400 sqft)
Owner	Company Name on Record
Last Sale	$628,000 (Oct 2016)
Tax Bill	$8,219 (2025)
Deeds & Mortgages	Mar 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`070-370-002-000`

Property Details

APN / Parcel Number

Primary APN	`070-370-002-000`
Alternative APN	`070-370-002`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,461 sqft Living Area
Gross Area	1,930 sqft
1st Floor Area	1,461 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1940
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	39,400 sqft (0.905 acres)
Garage Type	Attached
Garage Area	469 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Old Parcel Number	070-370-002
Street Address	12866 RIVER RD
City	GUERNEVILLE
State	CA
Zip	95446-9277
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	AR10
Legal Description	UNINCORP COUNTY CA
Legal Subdivision	LOUIS E RIDENHOUR ESTATE
Legal Block	1
Jurisdiction	SONOMA CA
Township / Civil Division	RUSSIAN RIVER-SONOMA COAST
Census Block Group	1
Census Block	1025
Census Tract	153705

Owner

Source: Sonoma County records, as of September 1, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	12866 RIVER RD, GUERNEVILLE, CA 95446-9277
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 11, 2016 · Amount on Record
Deed Sale	Oct 11, 2016 · Amount on Record
Prior Sale	Dec 21, 2005 · Amount on Record
Deed Document Number	201693927
Prior Transfer Date	Dec 20, 2005
Prior Transfer Doc	0000187624
Record Updated	Oct 29, 2026

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 18, 2020
Property Address	12866 RIVER RD, GUERNEVILLE, CA 95446-9277
Document Number	0000020961
Instrument Date	Mar 13, 2020
Instrument	20961
Transaction Type	Transfer
Record Updated	Apr 13, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	12866 RIVER RD GUERNEVILLE CA 954469277, GUERNEVILLE, CA 95446-9277

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Secondary School District	West Sonoma County Union High School District (09 - 12)
Elementary School District	Guerneville Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$707,903 (+2%) Land $224,917 Building $482,986
2025	$8,219.00 (+3.95%)	$694,023 (+4.04%) Land $220,507 Building $473,516
2023	$7,907.00 (+1.88%)	$667,076 Land $211,946 Building $455,130
2022	$7,761.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 24 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	24 in force
Nearby Flood Claims	125 (1981–2024)
Claims Outside the SFHA	11 of 125
Most Recent Claim	Nov 2024 · river or lake flooding
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 17 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 21 claims Severe Winter Storms, Flooding, Landslides, Mud Flows, Jan 1995 · 27 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 47% of the US · lower than 72% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 11 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35