18398 Riverside Dr, Sonoma, CA 95476 Property Records

Sonoma County property record for 18398 Riverside Dr, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,684 sqft · built 1920
Lot Size	0.099 acres (4,290 sqft)
Owner	2 Individual Names on Record
Last Sale	$688,000 (Oct 2024)
Tax Bill	$10,229 (2025)
Deeds & Mortgages	Jun 2020 Reverse Mortgage
Flood Zone	Zone X (minimal risk)
APN	`052-232-018-000`

Property Details

APN / Parcel Number

Primary APN	`052-232-018-000`
Alternative APN	`052-232-018`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	1 Story
Building Area	1,684 sqft Living Area
1st Floor Area	1,684 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1980
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	4,290 sqft (0.099 acres)

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	052-232-018
Street Address	18398 RIVERSIDE DR
City	SONOMA
State	CA
Zip	95476-4277
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Description	90 FM 52-232-07 PT TO RD 89025586
Legal Subdivision	EATON PARK SUB
Legal Block	2
Legal Lot Number	6
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2002
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	2 Individual Names on Record
Mailing Address	18398 RIVERSIDE DR, SONOMA, CA 95476-4277
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 24, 2024 · Amount on Record
Deed Sale	Oct 24, 2024 · Amount on Record
Prior Sale	Mar 20, 1992 · Amount on Record
Deed Document Number	202449564
Prior Transfer Date	Sep 24, 2009
Prior Transfer Doc	0000094479
Record Updated	Oct 29, 2026

June 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Jun 12, 2020
Property Address	18398 RIVERSIDE DR, SONOMA, CA 95476-4277
Document Number	0000046302
Map Reference	MB 28 PG 15
Instrument Date	May 19, 2020
Instrument	2020046302
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FNC TITLE OF CALIFORNIA

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	18398 RIVERSIDE DR, SONOMA, CA 95476-4277

Mortgage

Document Number	0000046303
Date	Jun 12, 2020
Instrument	2020046303

Lender

Name	REVERSE MORTGAGE FUNDING LLC
Type	Reverse Mortgage Lender

Agreement

Type	Reverse Mortgage
Amount	Amount Recorded
Term	812 Months
Due	Feb 17, 2088

Interest

Rate Type	Adjustable Rate
Rate	2.59%
Type Change Date	Jun 1, 2021
Change Frequency	Annually
Index	1-Year LIBOR

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		$701,760 (+2%) Land $285,600 Building $416,160
2025	$10,229.00 (+113.19%)	$688,000 (+125.72%) Land $280,000 Building $408,000
2023	$4,798.00 (+2.52%) Homeowner's exemption	$304,799 Land $83,432 Building $221,367
2022	$4,680.00

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 500 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	0.02% 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 625 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20