2940 Castro St, Martinez, CA 94553 Property Records

Contra Costa County property record for 2940 Castro St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,598 sqft · built 1927
Lot Size	0.103 acres (4,500 sqft)
Owner	Individual Name on Record
Last Sale	$134,000 (Apr 2000)
Tax Bill	$4,908 (2025)
Deeds & Mortgages	Apr 2021 Transfer Apr 2021 Mortgage + 1 more
Flood Zone	Zone AO (high risk)
APN	`370-241-011-3`

Property Details

APN / Parcel Number

Primary APN	`370-241-011-3`
Alternative APN	`370-241-011`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,598 sqft Living Area
1st Floor Area	1,170 sqft
2nd Floor Area	428 sqft

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1927
Exterior Material	Stucco
Roof Material	Composition Shingle
Lot Area	4,500 sqft (0.103 acres)
Lot Dimensions	100 ft deep x 45 ft wide
Garage Type	Attached
Garage Area	320 sqft
Parking Spaces	1 Parking Space
Porch	Porch

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	2940 CASTRO ST
City	MARTINEZ
State	CA
Zip	94553-3218
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	CASTRO ST EXT LOT 10 BLK 102
Legal Subdivision	CASTRO STREET EXT
Legal Block	102
Legal Lot Number	10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3009
Census Tract	318000

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	Individual Name on Record
Mailing Address	2940 CASTRO ST, MARTINEZ, CA 94553-3218
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 27, 2021	Affidavit of Death of Joint Tenant, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Apr 15, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage PLAZA HOME MORTGAGE INC
Aug 5, 2017	Loan Modification, Mortgage · Conventional Mortgage POPULAR CMNTY BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 21, 2000 · Amount on Record
Deed Sale	Apr 21, 2000 · Amount on Record
Prior Sale	Jun 18, 1999 · Amount on Record
Deed Document Number	200081235
Prior Transfer Date	May 27, 1999
Prior Transfer Doc	0000162788
Record Updated	Sep 20, 2026

April 2021: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 27, 2021
Property Address	2940 CASTRO ST, MARTINEZ, CA 94553-3218
Document Number	0000125822
Map Reference	MB 12 PG 271
Instrument Date	Apr 10, 2021
Instrument	2021-125822
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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	2940 CASTRO ST, MARTINEZ, CA 94553-3218

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 15, 2021
Property Address	2940 CASTRO ST, MARTINEZ, CA 94553-3218
Document Number	0000113877
Map Reference	MB 12 PG 271
Instrument Date	Apr 9, 2021
Instrument	2021-113877
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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	Community Property with Right of Survivorship
Address	2940 CASTRO ST, MARTINEZ, CA 94553-3218

Mortgage

Document Number	0000113878
Date	Apr 15, 2021
Instrument	2021-113878

Lender

Name	PLAZA HOME MORTGAGE INC
Type	Mortgage Company

Agreement

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

August 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	CONTRA COSTA CA
Property Address	2940 CASTRO ST, MARTINEZ, CA 94553-3218
Document Number	0000092287
Instrument Date	Aug 5, 2017
Transaction Type	Mortgage
Record Updated	Jun 18, 2018
Title Company	AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2940 CASTRO ST MARTINEZ CA 945533218, MARTINEZ, CA 94553-3218

Mortgage

Document Number	0000092287
Date	Jun 11, 2018
Instrument	92287

Lender

Name	POPULAR CMNTY BK
Address	NEW YORK CITY, NY 10004

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Jun 10, 2038

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		$343,220 (+2%) Land $105,808 Building $237,412
2025	$4,908.00 (+6.46%)	$336,491 (+4.04%) Land $103,734 Building $232,757
2023	$4,610.00 (+1.59%)	$323,426 Land $99,706 Building $223,720
2022	$4,538.00

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 47% of the US · lower than 72% 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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