526 Joaquin Dr, Sonoma, CA 95476 Property Records

Sonoma County property record for 526 Joaquin Dr, Sonoma, CA 95476

Property Summary

Property Type	Duplex
Details	2 bd · 1 ba · 1,896 sqft · built 1971
Lot Size	0.138 acres (6,006 sqft)
Owner	Trust Name on File
Tax Bill	$3,553 (2025)
Deeds & Mortgages	Mar 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`127-472-005-000`

Property Details

APN / Parcel Number

Primary APN	`127-472-005-000`
Alternative APN	`127-472-005`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Units	2 Units
Stories	1 Story
Building Area	1,896 sqft Living Area
Gross Area	2,380 sqft
1st Floor Area	1,896 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1972
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,006 sqft (0.138 acres)
Garage Type	Attached
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	127-472-005
Street Address	526 JOAQUIN DR
City	SONOMA
State	CA
Zip	95476-5953
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R2
Legal Description	VALLE DE ORO SUB BLK 2 LOT 5
Legal Subdivision	VALLE DE ORO SUB
Legal Block	2
Legal Lot Number	5
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	3
Census Block	3012
Census Tract	150205

Owner

526 Joaquin Dr, a duplex, is held in a trust since July 2022.

Source: Sonoma County records, as of September 1, 2026

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

Owner of Record	Trust Name on File
Mailing Address	85 REDWOOD AVE, CORTE MADERA, CA 94925-1409
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jul 21, 2022
Transfer Doc	0000012136
Record Updated	Oct 29, 2026

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Mar 23, 2023
Property Address	526 JOAQUIN DR, SONOMA, CA 95476-5953
Document Number	0000012136
Map Reference	MB 118 PG 41-43
Instrument Date	Sep 21, 2022
Instrument	2023012136
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	85 REDWOOD AVE, CORTE MADERA, CA 94925-1409

Tax Assessment & Valuation

The 2025 property tax bill for 526 Joaquin Dr was $3,553.

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		$90,248 (+2%) Land $23,005 Building $67,243
2025	$3,553.00	$88,479 Land $22,554 Building $65,925
2023	$3,186.00 (+6.73%)	$85,045 Land $21,679 Building $63,366
2022	$2,985.00

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

Flood

FEMA maps place 526 Joaquin Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective February 15, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 526 Joaquin Dr is low, with a 0.02% 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	0.02% annual chance
Exposure	Indirect within 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 585 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