509 Berrellesa St, Martinez, CA 94553 Property Records

Contra Costa County property record for 509 Berrellesa St, Martinez, CA 94553

Property Summary

Property Type	Parking Lot
Lot Size	0.103 acres (4,500 sqft)
Owner	Company Name on File
Last Sale	$850,000 (Nov 2018)
Tax Bill	$1,600 (2025)
Deeds & Mortgages	Nov 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`373-234-009`

Property Details

APN / Parcel Number

Primary APN	`373-234-009`
Alternative APN	`373-234-009-0`

Exterior

Lot Area	4,500 sqft (0.103 acres)

Location & Zoning

Street Address	509 BERRELLESA ST
City	MARTINEZ
State	CA
Zip	94553
Property Category	Commercial
Property Type	Commercial > Retail > Parking Lot
Legal Description	ORIG SURVEY MTZ POR LOT 4 BLK 11
Legal Subdivision	MARTINEZ
Legal Block	11
Legal Lot Number	4
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1023
Census Tract	316000

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	Company Name on File
Mailing Address	4957 VALLEY ORCHARD CT, MARTINEZ, CA 94553-9731
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 19, 2018 · Amount on File
Deed Sale	Nov 19, 2018 · Amount on File
Prior Sale	Jun 5, 2002 · Amount on File
Deed Document Number	2018187320
Prior Transfer Date	May 15, 2015
Prior Transfer Doc	0000119171
Record Updated	Oct 29, 2026

November 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 19, 2018
Property Address	509 BERRELLESA ST, MARTINEZ, CA 94553
Document Number	0000187320
Instrument Date	Nov 7, 2018
Instrument	2018-187320
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4957 VALLEY ORCHARD CT, MARTINEZ, CA 94553-9731

Mortgage

Document Number	0000187321
Date	Nov 19, 2018
Instrument	2018-187321

Lender

Name	WESTAMERICA BANK
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

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		$113,778 (+2%) Land $108,091 Building $5,687
2025	$1,600.00 (+5.26%)	$111,548 (+4.04%) Land $105,972 Building $5,576
2023	$1,520.00 (+1.4%)	$107,218 Land $101,858 Building $5,360
2022	$1,499.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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 AO, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 42 policies
Nearby Flood Policies	42 in force
Nearby Flood Claims	20 (1982–2017)
Claims Outside the SFHA	4 of 20
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 3 claims Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 3 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 58% of the US · lower than 65% of California
Wildfire Likelihood	0.1% 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 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 371 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Astound Broadband Fiber · Cable in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile Fixed Wireless	100 / 20