1517 Castro St, Martinez, CA 94553 Property Records

Contra Costa County property record for 1517 Castro St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,049 sqft · built 1914
Lot Size	0.076 acres (3,300 sqft)
Owner	Individual Name on File
Last Sale	$450,000 (Apr 2019)
Tax Bill	$6,853 (2025)
Deeds & Mortgages	Dec 2020 Mortgage Apr 2019 Sale & Mortgage + 1 more
Flood Zone	Zone AO (high risk)
APN	`372-315-005-2`

Property Details

APN / Parcel Number

Primary APN	`372-315-005-2`
Alternative APN	`372-315-005`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,049 sqft Living Area
1st Floor Area	1,049 sqft

Exterior

Year Built	Built 1914
Effective Year Built	Effective 1930
Exterior Material	Wood Siding
Construction Type	Concrete
Roof Material	Composition Shingle
Lot Area	3,300 sqft (0.076 acres)
Garage Type	Detached
Garage Area	200 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1517 CASTRO ST
City	MARTINEZ
State	CA
Zip	94553-2439
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R3
Legal Description	ORIGINAL SURVEY POR LOTS 5 & 6 BLK 56
Legal Subdivision	MARTINEZ
Legal Block	56
Legal Lot Number	5,6
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2017
Census Tract	317000

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	Individual Name on File
Mailing Address	1517 CASTRO ST, MARTINEZ, CA 94553-2439
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 5, 2020	Deed of Trust, Mortgage · Conventional Mortgage BETTER MTG CORP ISAOA
Apr 30, 2019	Grant Deed, Transfer · Conventional Mortgage SUMMIT FUNDING INC
Feb 7, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 30, 2019 · Amount on File
Deed Sale	Apr 30, 2019 · Amount on File
Prior Sale	May 16, 2001 · Amount on File
Deed Document Number	201960446
Prior Transfer Date	Jan 30, 2017
Prior Transfer Doc	0000023810
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1517 CASTRO ST, MARTINEZ, CA 94553-2439
Document Number	0000311969
Instrument Date	Dec 5, 2020
Transaction Type	Mortgage
Record Updated	Dec 23, 2020
Title Company	TITLE SERVICE AND LIAISON COMPANIES, SIMPLIFILE LC E-RECORDING

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1517 CASTRO ST MARTINEZ CA 945532439, MARTINEZ, CA 94553-2439

Mortgage

Document Number	0000311969
Date	Dec 14, 2020
Instrument	311969

Lender

Name	BETTER MTG CORP ISAOA
Address	NEW YORK, NY 10271

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 13, 2050

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 30, 2019
Property Address	1517 CASTRO ST, MARTINEZ, CA 94553-2439
Document Number	0000060446
Instrument Date	Apr 25, 2019
Instrument	2019-060446
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1517 CASTRO ST, MARTINEZ, CA 94553-2439

Mortgage

Document Number	0000060447
Date	Apr 30, 2019
Instrument	2019-060447

Lender

Name	SUMMIT FUNDING INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2049

February 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 7, 2017
Property Address	1517 CASTRO ST, MARTINEZ, CA 94553-2439
Document Number	0000023810
Instrument Date	Jan 30, 2017
Instrument	2017-023810
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1517 CASTRO ST, MARTINEZ, CA 94553-2439

Mortgage

Document Number	0000023811
Date	Feb 7, 2017
Instrument	2017-023811

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 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		$512,018 (+2%) Land $389,135 Building $122,883
2025	$6,853.00 (+6.46%)	$501,979 (+4.04%) Land $381,505 Building $120,474
2023	$6,437.00 (+1.64%)	$482,489 Land $366,692 Building $115,797
2022	$6,333.00

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 File median of 70 policies
Nearby Flood Policies	70 in force
Nearby Flood Claims	51 (1980–2018)
Claims Outside the SFHA	1 of 51
Most Recent Claim	Sep 2018
Claims by Event	Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 6 claims Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 9 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 48% of the US · lower than 71% 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 853 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
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

May also be available: Unwired.

Nearby Properties on Castro St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures