18039 River Rd, Sonoma, CA 95476 Property Records

Sonoma County property record for 18039 River Rd, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 713 sqft · built 1938
Lot Size	0.103 acres (4,500 sqft)
Owner	Company Name on Record
Last Sale	$399,000 (Sep 2017)
Tax Bill	$6,777 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Feb 2019 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`056-391-005-000`

Property Details

APN / Parcel Number

Primary APN	`056-391-005-000`
Alternative APN	`056-391-005`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	2 Rooms
Stories	1 Story
Building Area	713 sqft Living Area
1st Floor Area	713 sqft

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1970
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	4,500 sqft (0.103 acres)
Garage Area	220 sqft

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	056-391-005
Street Address	18039 RIVER RD
City	SONOMA
State	CA
Zip	95476-3690
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Description	BOYES SPRINGS HOTEL GROUNDS LOT 142
Legal Subdivision	BOYES SPRINGS
Legal Block	4
Legal Lot Number	142
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	4
Census Block	4011
Census Tract	150305

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	136 S TEMELEC CIR, SONOMA, CA 95476-8341
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 8, 2021	Deed of Trust, Mortgage · Conventional Mortgage HOMEBRIDGE FINANCIAL SERVICES INC
Feb 5, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Sep 13, 2017	Grant Deed, Transfer · Conventional Mortgage STEARNS LNDG

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 13, 2017 · Amount on Record
Deed Sale	Sep 13, 2017 · Amount on Record
Deed Document Number	201771935
Prior Transfer Date	May 13, 2004
Prior Transfer Doc	0000093374
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18039 RIVER RD, SONOMA, CA 95476-3690
Transaction Type	Mortgage
Record Updated	Aug 19, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	136 S TEMELEC CIR, SONOMA, CA 95476-8341

Mortgage

Document Number	0000043887
Date	Apr 8, 2021
Instrument	2021043887

Lender

Name	HOMEBRIDGE FINANCIAL SERVICES INC
Type	Mortgage Company
Address	ISELIN, NJ 08830

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

February 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Feb 5, 2019
Property Address	18039 RIVER RD, SONOMA, CA 95476-3690
Document Number	0000010210
Instrument Date	Jan 18, 2019
Instrument	10210
Transaction Type	Transfer
Record Updated	Feb 21, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	136 S TEMELEC CIR SONOMA CA 954768341, SONOMA, CA 95476-8341

September 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Sep 13, 2017
Property Address	18039 RIVER RD, SONOMA, CA 95476-3690
Document Number	0000071935
Instrument Date	Sep 6, 2017
Instrument	71935
Transaction Type	Transfer
Record Updated	Oct 3, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$438.00
Amount Accuracy	Full Value
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	18039 RIVER RD SONOMA CA 954763690, SONOMA, CA 95476-3690

Mortgage

Document Number	71936
Date	Sep 13, 2017
Instrument	71936

Lender

Name	STEARNS LNDG
Address	SANTA ANA, CA 92707-8788

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 12, 2047

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Unified School District	Sonoma Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$463,069 (+2%) Land $319,160 Building $143,909
2025	$6,777.00 (+6.59%)	$453,990 (+4.04%) Land $312,902 Building $141,088
2023	$6,358.00 (+1.48%)	$436,362 Land $300,752 Building $135,610
2022	$6,265.00

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 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	1 in force

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	VALLEY OF THE MOON WATER DISTRICT serves 23,140 people · EPA ID CA4910013
Water Source	Groundwater
Last State Inspection	Sep 2022
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 711 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Verizon.

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