510 Joaquin Dr, Sonoma, CA 95476 Property Records

Sonoma County property record for 510 Joaquin Dr, Sonoma, CA 95476

Property Summary

Property Type	Duplex
Details	2 bd · 1 ba · 1,892 sqft · built 1969
Lot Size	0.207 acres (9,000 sqft)
Owner	Company Name on Record
Last Sale	$480,000 (Mar 2010)
Tax Bill	$9,323 (2025)
Flood Zone	Zone X (minimal risk)
APN	`127-472-001-000`

Property Details

APN / Parcel Number

Primary APN	`127-472-001-000`
Alternative APN	`127-472-001`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Units	2 Units
Stories	1 Story
Building Area	1,892 sqft Living Area
Gross Area	2,444 sqft
1st Floor Area	1,892 sqft

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1970
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	9,000 sqft (0.207 acres)
Garage Type	Attached
Garage Area	552 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	127-472-001
Street Address	510 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 1
Legal Subdivision	VALLE DE ORO SUB
Legal Block	2
Legal Lot Number	1
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	3
Census Block	3012
Census Tract	150205

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	627 GREGORY CIR, SONOMA, CA 95476-6460
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 1, 2010 · Amount on Record
Deed Sale	Mar 1, 2010 · Amount on Record
Deed Document Number	201015910
Last Transfer Date	Oct 22, 2016
Transfer Doc	0000101591
Record Updated	Oct 29, 2026

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		$631,972 (+2%) Land $252,786 Building $379,186
2025	$9,323.00 (+6.41%)	$619,581 (+4.04%) Land $247,830 Building $371,751
2023	$8,761.00 (-0.78%)	$595,523 Land $238,207 Building $357,316
2022	$8,830.00

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

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

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 329 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	100 / 20