18363 Riverside Dr, Sonoma, CA 95476 Property Records

Sonoma County property record for 18363 Riverside Dr, Sonoma, CA 95476

Property Summary

Property Type	Duplex
Details	2 bd · 1 ba · 954 sqft · built 1935
Lot Size	0.344 acres (15,000 sqft)
Owner	Company Name on Record
Last Sale	$950,000 (Feb 2019)
Tax Bill	$14,514 (2025)
Deeds & Mortgages	Dec 2020 Mortgage Feb 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`052-231-007-000`

Property Details

APN / Parcel Number

Primary APN	`052-231-007-000`
Alternative APN	`052-231-007`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	3 Rooms
Units	2 Units
Stories	1 Story
Building Area	954 sqft Living Area
1st Floor Area	954 sqft

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1987
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	15,000 sqft (0.344 acres)
Garage Type	Detached
Garage Area	240 sqft

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	052-231-007
Street Address	18363 RIVERSIDE DR
City	SONOMA
State	CA
Zip	95476-4278
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R15UA
Legal Description	CREEK FRONT ADDITION SONOMA VISTA TRACT LOT 31
Legal Subdivision	SONOMA VISTA
Legal Block	2
Legal Lot Number	31
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2000
Census Tract	150304

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	1616 PLYMOUTH AVE, SAN FRANCISCO, CA 94127-2118
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Dec 23, 2020	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK
Feb 6, 2019	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 6, 2019 · Amount on Record
Deed Sale	Feb 6, 2019 · Amount on Record
Prior Sale	Aug 31, 2004 · Amount on Record
Deed Document Number	201910471
Prior Transfer Date	Feb 14, 2003
Prior Transfer Doc	0000036182
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18363 RIVERSIDE DR, SONOMA, CA 95476-4278
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1616 PLYMOUTH AVE, SAN FRANCISCO, CA 94127-2118

Mortgage

Document Number	0000123226
Date	Dec 23, 2020
Instrument	2020123226

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

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

February 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Feb 6, 2019
Property Address	18363 RIVERSIDE DR, SONOMA, CA 95476-4278
Document Number	0000010471
Map Reference	MB 30 PG 28
Instrument Date	Feb 4, 2019
Instrument	2019010471
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIRST AMERICAN TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1 EL CAMINO REAL, BERKELEY, CA 94705-2423

Mortgage

Document Number	0000010472
Date	Feb 6, 2019
Instrument	2019010472

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2049

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		$1,080,932 (+2%) Land $540,466 Building $540,466
2025	$14,514.00 (+5.21%)	$1,059,738 (+4.04%) Land $529,869 Building $529,869
2023	$13,795.00 (+2.25%)	$1,018,590 Land $509,295 Building $509,295
2022	$13,491.00

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
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	8 in force
Nearby Flood Claims	2 (2005–2017)
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides

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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