509 Sonoma Ave, Rodeo, CA 94572 Property Records

Contra Costa County property record for 509 Sonoma Ave, Rodeo, CA 94572

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,038 sqft · built 1943
Lot Size	0.117 acres (5,100 sqft)
Owner	Individual Name on File
Tax Bill	$4,104 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Oct 2019 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`357-225-002-9`

Property Details

APN / Parcel Number

Primary APN	`357-225-002-9`
Alternative APN	`357-225-002`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,038 sqft Living Area
1st Floor Area	1,038 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1943
Effective Year Built	Effective 1948
Architectural Style	Bungalow
Exterior Material	Brick
Lot Area	5,100 sqft (0.117 acres)

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	509 SONOMA AVE
City	RODEO
State	CA
Zip	94572-1630
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	RODEO VISTA #2 LOT 161 EX MR
Legal Subdivision	RODEO VISTA
Legal Lot Number	161
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3000
Census Tract	358000

Owner

Source: Contra Costa County records, as of July 14, 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	Individual Name on File
Mailing Address	509 SONOMA AVE, RODEO, CA 94572-1630
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 12, 2021	Deed of Trust, Mortgage · Conventional Mortgage AXIA FINANCIAL LLC
Oct 29, 2019	Quit Claim Deed NOT AVAILABLE
Jul 8, 2019	Intrafamily Transfer, Transfer · FHA Mortgage UNITED WHOLESALE MORTGAGE
Sep 17, 2018	Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 8, 2019
Deed Sale	Jul 8, 2019
Prior Sale	Aug 17, 1995 · Amount on File
Deed Document Number	2019104582
Prior Transfer Date	Jul 1, 2019
Prior Transfer Doc	0000104582
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	509 SONOMA AVE, RODEO, CA 94572-1630
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 SONOMA AVE, RODEO, CA 94572-1630

Mortgage

Document Number	0000196071
Date	Jul 12, 2021
Instrument	2021-196071

Lender

Name	AXIA FINANCIAL LLC
Type	Mortgage Company
Address	BELLEVUE, WA 98004

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2051

October 2019: Quit Claim Deed

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 29, 2019
Property Address	509 SONOMA AVE, RODEO, CA 94572-1630
Document Number	0000191476
Instrument Date	Oct 29, 2019
Instrument	191476
Record Updated	Nov 8, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 SONOMA AVE RODEO CA 945721630, RODEO, CA 94572-1630

July 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 8, 2019
Property Address	509 SONOMA AVE, RODEO, CA 94572-1630
Document Number	0000104582
Map Reference	MB 24 PG 800
Instrument Date	Jul 1, 2019
Instrument	2019-104582
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	LAWYERS TITLE

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	509 SONOMA AVE, RODEO, CA 94572-1630

Mortgage

Document Number	0000104583
Date	Jul 8, 2019
Instrument	2019-104583

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2049

September 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 17, 2018
Property Address	509 SONOMA AVE, RODEO, CA 94572-1630
Document Number	0000148551
Instrument Date	Sep 17, 2018
Instrument	148551
Transaction Type	Transfer
Record Updated	Sep 26, 2018

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 SONOMA AVE RODEO CA 945721630, RODEO, CA 94572-1630

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	John Swett Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$210,079 (+2%) Land $145,166 Building $64,913
2025	$4,104.00 (+5.72%) Homeowner's exemption	$205,961 (+4.04%) Land $142,320 Building $63,641
2023	$3,882.00 (+3.69%) Homeowner's exemption	$197,966 Land $136,795 Building $61,171
2022	$3,744.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 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	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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 740 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile, Unwired.

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