405 Walnut Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 405 Walnut Ave, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,680 sqft · built 1910
Lot Size	0.344 acres (15,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$865,000 (Jan 2026)
Tax Bill	$4,220 (2025)
Deeds & Mortgages	Jan 2026 Sale & Mortgage Aug 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`052-422-009-000`

Property Details

APN / Parcel Number

Primary APN	`052-422-009-000`
Alternative APN	`052-422-009`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	4 Rooms
Stories	2 Stories
Building Area	1,754 sqft Living Area
1st Floor Area	672 sqft

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1980
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	052-422-009
Street Address	405 WALNUT AVE
City	SONOMA
State	CA
Zip	95476-6114
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Subdivision	EL VERANO
Legal Block	4
Legal Lot Number	24,25
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	4
Census Block	4008
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	405 WALNUT AVE, SONOMA, CA 95476-6114
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jan 6, 2026	Grant Deed, Transfer · Conventional Mortgage ORIGINPOINT LLC
Aug 2, 2021	Intrafamily Transfer, Transfer
Aug 2, 2021	Affidavit of Death of Joint Tenant, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 6, 2026 · Amount on Record
Deed Sale	Jan 6, 2026 · Amount on Record
Deed Document Number	2026624
Prior Transfer Date	Jul 22, 2021
Prior Transfer Doc	0000088176
Record Updated	Oct 29, 2026

January 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jan 6, 2026
Property Address	405 WALNUT AVE, SONOMA, CA 95476-6114
Document Number	0000000624
Instrument Date	Dec 18, 2025
Instrument	2026000624
Transaction Type	Transfer
Record Updated	Jan 15, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATL TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$951.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	405 WALNUT AVE, SONOMA, CA 95476-6114

Mortgage

Document Number	0000000625
Date	Jan 6, 2026
Instrument	2026000625

Lender

Name	ORIGINPOINT LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	481 Months
Due	Feb 1, 2066

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Aug 2, 2021
Property Address	405 WALNUT AVE, SONOMA, CA 95476-6114
Document Number	0000088176
Instrument Date	Jul 22, 2021
Instrument	2021088176
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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	846 BROADWAY, SONOMA, CA 95476-7013

August 2021: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	SONOMA CA
Recording Date	Aug 2, 2021
Property Address	405 WALNUT AVE, SONOMA, CA 95476-6114
Document Number	0000088175
Instrument Date	Jul 22, 2021
Instrument	2021088175
Transaction Type	Transfer
Record Updated	Aug 18, 2021

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
Address	405 WALNUT AVE, SONOMA, CA 95476-6114

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		$805,000 (+238.76%) Land $385,000 Building $420,000
2025	$4,220.00 (+6%) Homeowner's exemption	$237,634 (+4.04%) Land $126,787 Building $110,847
2023	$3,981.00 (+3.94%) Homeowner's exemption	$228,408 Land $121,864 Building $106,544
2022	$3,830.00

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	6 in force
Nearby Flood Claims	5 (1986–2019)
Claims Outside the SFHA	5 of 5
Most Recent Claim	Jan 2019 · river or lake flooding

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 335 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
Starlink Satellite	280 / 30
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile.

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