18505 Riverside Dr, Sonoma, CA 95476 Property Records

Sonoma County property record for 18505 Riverside Dr, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 720 sqft · built 1936
Lot Size	0.172 acres (7,500 sqft)
Owner	Individual Name on Record
Last Sale	$310,000 (Jul 2004)
Tax Bill	$6,910 (2025)
Deeds & Mortgages	Jan 2020 Loan Modification
Flood Zone	Zone X (minimal risk)
APN	`052-231-019-000`

Property Details

APN / Parcel Number

Primary APN	`052-231-019-000`
Alternative APN	`052-231-019`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	2 Rooms
Stories	1 Story
Building Area	720 sqft Living Area
1st Floor Area	720 sqft

Exterior

Year Built	Built 1936
Effective Year Built	Effective 1970
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	7,500 sqft (0.172 acres)
Garage Type	Detached
Garage Area	816 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	052-231-019
Street Address	18505 RIVERSIDE DR
City	SONOMA
State	CA
Zip	95476-4509
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Subdivision	CREEK FRONT ADDITION
Legal Block	2
Legal Lot Number	47
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	18505 RIVERSIDE DR, SONOMA, CA 95476-4509
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 21, 2004 · Amount on Record
Deed Sale	Jul 21, 2004 · Amount on Record
Prior Sale	Sep 17, 2002 · Amount on Record
Deed Document Number	2004112535
Record Updated	Oct 29, 2026

January 2020: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	SONOMA CA
Property Address	18505 RIVERSIDE DR, SONOMA, CA 95476-4509
Document Number	0000009654
Instrument Date	Jan 10, 2020
Transaction Type	Mortgage
Record Updated	Mar 3, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18505 RIVERSIDE DR SONOMA CA 954764509, SONOMA, CA 95476-4509

Mortgage

Document Number	0000009654
Date	Feb 7, 2020
Instrument	9654

Lender

Name	JP MORGAN CHASE BK
Type	Bank
Address	COLUMBUS, OH 43219-6009

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	480 Months
Due	Feb 6, 2060

Interest

Rate	2.75%

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		$475,174 (+2%) Land $270,131 Building $205,043
2025	$6,910.00 (+5.82%)	$465,858 (+4.04%) Land $264,835 Building $201,023
2023	$6,530.00 (+2.82%)	$447,770 Land $254,552 Building $193,218
2022	$6,351.00

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	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