530 Bertola St, Martinez, CA 94553 Property Records

Contra Costa County property record for 530 Bertola St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,058 sqft · built 1939
Lot Size	0.093 acres (4,050 sqft)
Owner	Company Name on Record
Last Sale	$396,500 (Dec 2007)
Tax Bill	$6,992 (2025)
Deeds & Mortgages	Feb 2019 Line of Credit Feb 2021 Mortgage
Flood Zone	Zone AO (high risk)
APN	`372-211-013-1`

Property Details

APN / Parcel Number

Primary APN	`372-211-013-1`
Alternative APN	`372-211-013`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,058 sqft Living Area
1st Floor Area	1,058 sqft

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Lot Area	4,050 sqft (0.093 acres)
Garage Type	Attached
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	530 BERTOLA ST
City	MARTINEZ
State	CA
Zip	94553-3243
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	BERTOLA TRACT LOT 3 BLK 187
Legal Subdivision	BERTOLA
Legal Block	187
Legal Lot Number	3
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3003
Census Tract	318000

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 Record
Mailing Address	530 BERTOLA ST, MARTINEZ, CA 94553-3243
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Feb 5, 2019	Deed of Trust, Mortgage · Line of Credit US BANK NA
Feb 8, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 14, 2007 · Amount on Record
Deed Sale	Dec 14, 2007 · Amount on Record
Deed Document Number	2007338010
Record Updated	Oct 29, 2026

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	530 BERTOLA ST, MARTINEZ, CA 94553-3243
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000015362
Date	Feb 5, 2019
Instrument	2019-015362

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Jan 15, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	530 BERTOLA ST, MARTINEZ, CA 94553-3243
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	STEWART TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	530 BERTOLA ST, MARTINEZ, CA 94553-3243

Mortgage

Document Number	0000037959
Date	Feb 8, 2021
Instrument	2021-037959

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

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		$531,205 (+2%) Land $401,926 Building $129,279
2025	$6,992.00 (+6.52%) Homeowner's exemption	$520,791 (+4.04%) Land $394,046 Building $126,745
2023	$6,564.00 (+1.66%) Homeowner's exemption	$500,570 Land $378,746 Building $121,824
2022	$6,457.00

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 AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 109 policies
Nearby Flood Policies	109 in force
Nearby Flood Claims	32 (1980–2019)
Claims Outside the SFHA	3 of 32
Most Recent Claim	Feb 2019
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 6 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 43% of the US · lower than 74% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Direct burnable vegetation

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 358 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Fiber · Cable in parts of the area	1,500 / 1,500
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Unwired.

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