18325 Riverside Dr, Sonoma, CA 95476 Property Records

Sonoma County property record for 18325 Riverside Dr, Sonoma, CA 95476

Property Summary

Property Type	Duplex
Details	1 bd · 1 ba · 984 sqft · built 1925
Lot Size	0.276 acres (12,000 sqft)
Owner	Individual Name on Record
Last Sale	$400,000 (Jun 2026)
Tax Bill	$3,421 (2025)
Deeds & Mortgages	Jun 2026 Sale
Flood Zone	Zone X (minimal risk)
APN	`052-231-003-000`

Property Details

APN / Parcel Number

Primary APN	`052-231-003-000`
Alternative APN	`052-231-003`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	1 Room
Units	2 Units
Stories	1 Story
Building Area	984 sqft Living Area
1st Floor Area	984 sqft

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1946
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	12,000 sqft (0.276 acres)

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	052-231-003
Street Address	18325 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 26
Legal Subdivision	SONOMA VISTA
Legal Block	2
Legal Lot Number	26
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	Individual Name on Record
Mailing Address	PO BOX 132, SAUSALITO, CA 94966-0132
Owner Type	Individual
Vesting	Unmarried Man

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 5, 2026 · Amount on Record
Deed Sale	Jun 5, 2026 · Amount on Record
Deed Document Number	202628333
Prior Transfer Date	Mar 6, 2002
Prior Transfer Doc	0000078551
Record Updated	Oct 29, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jun 5, 2026
Property Address	18325 RIVERSIDE DR, SONOMA, CA 95476-4278
Document Number	0000028333
Instrument Date	Jun 2, 2026
Instrument	202628333
Transaction Type	Transfer
Record Updated	Jun 15, 2026
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$44,440.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

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		$37,642 (+2%) Land $12,093 Building $25,549
2025	$3,421.00 (-0.06%)	$36,905 (+4.03%) Land $11,856 Building $25,049
2023	$3,423.00 (+17.27%)	$35,474 Land $11,397 Building $24,077
2022	$2,919.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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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