365 Patten St, Sonoma, CA 95476 Property Records

Sonoma County property record for 365 Patten St, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,548 sqft · built 1946
Lot Size	0.39 acres (17,000 sqft)
Owner	Company Name on Record
Last Sale	$465,000 (Dec 1998)
Tax Bill	$9,959 (2025)
Deeds & Mortgages	Jan 2020 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`018-321-057-000`

Property Details

APN / Parcel Number

Primary APN	`018-321-057-000`
Alternative APN	`018-321-057`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	3 Rooms
Stories	1 Story
Building Area	2,548 sqft Living Area
1st Floor Area	2,548 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1980
Construction Type	Wood
Lot Area	17,000 sqft (0.39 acres)
Garage Area	563 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Old Parcel Number	018-321-057
Street Address	365 PATTEN ST
City	SONOMA
State	CA
Zip	95476-6741
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	83 FM 18-321-45 PT TO 58 59 & 60 PM 33 LOT 1
Legal Subdivision	SONOMA
Legal Block	1
Legal Lot Number	1
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	1
Census Block	1016
Census Tract	150204

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	911 LAKEVILLE ST, PETALUMA, CA 94952-3329
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 1, 1998 · Amount on Record
Deed Sale	Dec 1, 1998 · Amount on Record
Deed Document Number	1998143341
Last Transfer Date	Aug 18, 2010
Transfer Doc	0000071394
Record Updated	Oct 29, 2026

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	365 PATTEN ST, SONOMA, CA 95476-6741
Document Number	0000011694
Instrument Date	Jan 13, 2020
Transaction Type	Mortgage
Record Updated	Mar 10, 2020
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	365 PATTEN ST SONOMA CA 954766741, SONOMA, CA 95476-6741

Mortgage

Document Number	0000011694
Date	Feb 18, 2020
Instrument	11694

Lender

Name	BANK OF THE WEST
Type	Bank
Address	13505 CALIFORNIA ST, OMAHA, NE 68154-5247

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Feb 17, 2050

Interest

Rate Type	Adjustable Rate
Rate	3.25%

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$787,464 (+2%) Land $399,769 Building $387,695
2025	$9,959.00 (+4.55%) Homeowner's exemption	$772,025 (+4.04%) Land $391,931 Building $380,094
2023	$9,526.00 (+1.6%) Homeowner's exemption	$742,049 Land $376,713 Building $365,336
2022	$9,376.00

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 policies
Nearby Flood Policies	15 in force
Nearby Flood Claims	8 (1978–2025)
Claims Outside the SFHA	6 of 8
Most Recent Claim	Feb 2025 · rainfall accumulation
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Feb 2019 · 2 claims Severe Winter Storm, Mud & Land Slides, & Flooding, Jan 1993 · 2 claims

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	CITY OF SONOMA serves 10,619 people · EPA ID CA4910012
Water Source	Groundwater
Last State Inspection	Jul 2024
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 579 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, Fixed Wireless in parts of the area	100 / 20