543 Ave del Oro, Sonoma, CA 95476 Property Records

Sonoma County property record for 543 Ave del Oro, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,906 sqft · built 1968
Lot Size	0.212 acres (9,240 sqft)
Owner	2 Trust Names on File
Last Sale	$1,760,000 (Aug 2026)
Tax Bill	$22,027 (2025)
Deeds & Mortgages	Aug 2026 Sale Jan 2024 Second Mortgage + 6 more
Flood Zone	Zone X (minimal risk)
APN	`023-010-031-000`

Property Details

APN / Parcel Number

Primary APN	`023-010-031-000`
Alternative APN	`023-010-031`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	1 Story
Building Area	1,906 sqft Living Area
Gross Area	2,326 sqft
1st Floor Area	1,906 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1968
Effective Year Built	Effective 2008
Construction Type	Wood
Lot Area	9,240 sqft (0.212 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	023-010-031
Street Address	543 AVENUE DEL ORO
City	SONOMA
State	CA
Zip	95476-7208
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT 16, MONTE VISTA ESTATES SUBDV NO.1
Legal Subdivision	MONTE VISTA ESTATES SUB
Legal Block	3
Legal Lot Number	16
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	3
Census Block	3008
Census Tract	150204

Owner

543 Ave del Oro is owner-occupied and held in a trust since August 2026.

Source: Sonoma County records, as of September 2, 2026

Owner of Record	2 Trust Names on File
Mailing Address	98 SAINT FRANCIS BLVD, SAN FRANCISCO, CA 94127-1954
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Trust, Revocable Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Aug 25, 2026	Grant Deed, Transfer WFG NATIONAL TITLE COMPANY, WFG NATIONAL TITLE
Jan 10, 2024	Deed of Trust, Mortgage · Stand-Alone Second Mortgage PENNYMAC LOAN SERVICES LLC
Jul 11, 2022	Grant Deed, Transfer · Conventional Mortgage ALL SQUARE MORTGAGE INC
May 31, 2017	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Jul 9, 2020	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Sep 18, 2020	Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION
Mar 30, 2017	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY
Jan 11, 2017	Grant Deed, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 25, 2026 · Amount on File
Deed Sale	Aug 25, 2026 · Amount on File
Prior Sale	Jul 11, 2022 · Amount on File
Deed Document Number	202643391
Prior Transfer Date	Dec 16, 2013
Prior Transfer Doc	0000013066
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Aug 25, 2026
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Document Number	0000043391
Instrument Date	Aug 19, 2026
Instrument	202643391
Transaction Type	Transfer
Record Updated	Sep 2, 2026
Title Company	WFG NATIONAL TITLE COMPANY, WFG NATIONAL TITLE

Transaction

Amount	Amount on Record
Tax	$195,536.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	98 SAINT FRANCIS BLVD, SAN FRANCISCO, CA 94127-1954

January 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Transaction Type	Mortgage
Record Updated	Jan 30, 2024
Title Company	OLD REPUBLIC TITLE S JORDAN, OLD REPUBLIC TITLE RES INFO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208

Mortgage

Document Number	0000001309
Date	Jan 10, 2024
Instrument	2024001309

Lender

Name	PENNYMAC LOAN SERVICES LLC
Type	Mortgage Company
Address	WESTLAKE VILLAGE, CA 91361

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record
Term	241 Months
Due	Feb 1, 2044

July 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jul 11, 2022
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Document Number	0000047190
Map Reference	MB 105 PG 19
Instrument Date	Jul 6, 2022
Instrument	2022047190
Transaction Type	Transfer
Record Updated	Jul 27, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,952.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208

Mortgage

Document Number	0000047191
Date	Jul 11, 2022
Instrument	2022047191

Lender

Name	ALL SQUARE MORTGAGE INC

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2052

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000042172
Date	May 31, 2017
Instrument	2017042172

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2047

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000055945
Date	Jul 9, 2020
Instrument	2020055945

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2050

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ORANGE COAST TTL OF NOCAL CA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208

Mortgage

Document Number	0000083805
Date	Sep 18, 2020
Instrument	2020083805

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2050

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 30, 2017
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Document Number	0000024906
Instrument Date	Mar 28, 2017
Instrument	24906
Transaction Type	Transfer
Record Updated	Apr 13, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$976.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	543 AVENUE DEL ORO SONOMA CA 954767208, SONOMA, CA 95476-7208

January 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jan 11, 2017
Property Address	543 AVENUE DEL ORO, SONOMA, CA 95476-7208
Document Number	0000002383
Instrument Date	Nov 21, 2016
Instrument	2383
Transaction Type	Transfer
Record Updated	Jan 25, 2017

Transaction

Amount	Amount on Record
Tax	$1,045.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	500 YGNACIO VALLEY RD #180 WALNUT CREEK CA 945963840, 180, WALNUT CREEK, CA 94596-3840

Tax Assessment & Valuation

The 2025 property tax bill for 543 Ave del Oro was $22,027 with a homeowner's exemption.

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		$1,883,643 (+2%) Land $742,845 Building $1,140,798
2025	$22,027.00 Homeowner's exemption	$1,846,710 Land $728,280 Building $1,118,430
2023	$21,171.00 (+69.99%)	$1,775,000 Land $700,000 Building $1,075,000
2022	$12,454.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 543 Ave del Oro in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	3 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998 · rainfall accumulation

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

Wildfire risk around 543 Ave del Oro is low, with a 0.01% annual chance of 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 540 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
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: T-Mobile.

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