3025 Castro St, Martinez, CA 94553 Property Records

Contra Costa County property record for 3025 Castro St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,162 sqft · built 1960
Lot Size	0.138 acres (6,000 sqft)
Owner	Individual Name on Record
Last Sale	$510,000 (Jun 2017)
Tax Bill	$7,917 (2025)
Deeds & Mortgages	Sep 2022 Mortgage Jun 2017 Sale & Mortgage
Flood Zone	Zone AO (high risk)
APN	`370-243-010-3`

Property Details

APN / Parcel Number

Primary APN	`370-243-010-3`
Alternative APN	`370-243-010`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,162 sqft Living Area
1st Floor Area	1,162 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1961
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	460 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	3025 CASTRO ST
City	MARTINEZ
State	CA
Zip	94553-3219
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	CASTRO ST EXT LOT 2 POR 3 BLK 182
Legal Subdivision	CASTRO ST EXT
Legal Block	182
Legal Lot Number	2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3007
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	3025 CASTRO ST, MARTINEZ, CA 94553-3219
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 16, 2022	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Jun 27, 2017	Grant Deed, Transfer · ARM US BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 27, 2017 · Amount on Record
Deed Sale	Jun 27, 2017 · Amount on Record
Prior Sale	Apr 15, 2009
Deed Document Number	2017114400
Prior Transfer Date	Apr 8, 2009
Prior Transfer Doc	0000081380
Record Updated	Oct 29, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3025 CASTRO ST, MARTINEZ, CA 94553-3219
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3025 CASTRO ST, MARTINEZ, CA 94553-3219

Mortgage

Document Number	0000140333
Date	Sep 16, 2022
Instrument	2022-140333

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2052

June 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 27, 2017
Property Address	3025 CASTRO ST, MARTINEZ, CA 94553-3219
Document Number	0000114400
Map Reference	MB12 PG271
Instrument Date	Jun 23, 2017
Instrument	2017-114400
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3025 CASTRO ST, MARTINEZ, CA 94553-3219

Mortgage

Document Number	0000114401
Date	Jun 27, 2017
Instrument	2017-114401

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.62%
Adjustable	Adjustable Rate Rider
Type Change Date	Jul 1, 2027
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8.62%
Index	1-Year CMT
Max Rate	8.62%

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		$603,728 (+2%) Land $438,593 Building $165,135
2025	$7,917.00 (+6.47%)	$591,892 (+4.04%) Land $429,994 Building $161,898
2023	$7,436.00 (+1.64%)	$568,910 Land $413,298 Building $155,612
2022	$7,316.00

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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