617 Sonora Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 617 Sonora Ct, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,559 sqft · built 1961
Lot Size	0.149 acres (6,500 sqft)
Owner	Company Name on Record
Last Sale	$705,000 (May 2017)
Tax Bill	$10,572 (2025)
Deeds & Mortgages	May 2022 Transfer May 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`162-202-020-2`

Property Details

APN / Parcel Number

Primary APN	`162-202-020-2`
Alternative APN	`162-202-020`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,559 sqft Living Area
1st Floor Area	1,559 sqft

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1971
Lot Area	6,500 sqft (0.149 acres)
Garage Type	Attached
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	617 SONORA CT
City	MARTINEZ
State	CA
Zip	94553-4423
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R175
Legal Description	TRACT 2402 LOT 18
Legal Subdivision	ALHAMBRA VALLEY ORCHARD UNIT #1
Legal Tract	2402
Legal Lot Number	18
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3007
Census Tract	321103

Owner

Source: Contra Costa County records, as of July 14, 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	2207 EXTON ST, BAKERSFIELD, CA 93311-8540
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 20, 2022	Intrafamily Transfer, Transfer
May 18, 2017	Grant Deed, Transfer · Conventional Mortgage OPTIMUM FIRST INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 18, 2017 · Amount on Record
Deed Sale	May 18, 2017 · Amount on Record
Prior Sale	Apr 2, 2002 · Amount on Record
Deed Document Number	201786608
Prior Transfer Date	Jun 23, 2008
Prior Transfer Doc	0000142637
Record Updated	Sep 20, 2026

May 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	May 20, 2022
Property Address	617 SONORA CT, MARTINEZ, CA 94553-4423
Document Number	0000086716
Map Reference	MB 74 PG 7
Instrument Date	Apr 20, 2022
Instrument	2022-086716
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	Family Trust
Address	2207 EXTON ST, BAKERSFIELD, CA 93311-8540

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 18, 2017
Property Address	617 SONORA CT, MARTINEZ, CA 94553-4423
Document Number	0000086608
Instrument Date	May 11, 2017
Instrument	86608
Transaction Type	Transfer
Record Updated	Jun 15, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$775.00
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	2207 EXTON ST BAKERSFIELD CA 933118540, BAKERSFIELD, CA 93311-8540

Mortgage

Document Number	86609
Date	May 18, 2017
Instrument	86609

Lender

Name	OPTIMUM FIRST INC
Address	FOUNTAIN VALLEY, CA 92708

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 17, 2047

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Martinez City
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$834,569 (+2%) Land $562,300 Building $272,269
2025	$10,572.00 (+6.48%)	$818,206 (+4.04%) Land $551,275 Building $266,931
2023	$9,929.00 (+1.68%)	$786,436 Land $529,869 Building $256,567
2022	$9,765.00

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 · 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 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 27 policies
Nearby Flood Policies	27 in force
Nearby Flood Claims	21 (1982–2023)
Claims Outside the SFHA	3 of 21
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 2 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 4 claims Severe Winter Storms, Flooding, Landslides, Mud Flows, Jan 1995 · 4 claims

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	Moderate above 57% of the US · lower than 65% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 MARTINEZ serves 31,015 people · EPA ID CA0710006
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Oct 2025
Lead	Under 1 ppb (2023–2025) 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 256 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Astound Broadband, T-Mobile, Unwired, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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