1317 Castro St, Martinez, CA 94553 Property Records

Contra Costa County property record for 1317 Castro St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,099 sqft · built 1900
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on File
Last Sale	$680,000 (Mar 2022)
Tax Bill	$9,160 (2025)
Deeds & Mortgages	Mar 2022 Sale & Mortgage
Flood Zone	Zone AO (high risk)
APN	`372-335-005-8`

Property Details

APN / Parcel Number

Primary APN	`372-335-005-8`
Alternative APN	`372-335-005`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,099 sqft Living Area
1st Floor Area	1,099 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1920
Lot Area	7,500 sqft (0.172 acres)

Location & Zoning

Street Address	1317 CASTRO ST
City	MARTINEZ
State	CA
Zip	94553-2326
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R3
Legal Description	ORIGINAL SURVEY POR LOTS 5 & 6 BLK 49
Legal Subdivision	MARTINEZ
Legal Block	49
Legal Lot Number	5,6
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2006
Census Tract	317000

Owner

1317 Castro St is owned and occupied by two individuals who bought it in March 2022.

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	2 Individual Names on File
Mailing Address	1317 CASTRO ST, MARTINEZ, CA 94553-2326
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 22, 2022 · Amount on File
Deed Sale	Mar 22, 2022 · Amount on File
Deed Document Number	202250583
Prior Transfer Date	Jul 13, 2012
Prior Transfer Doc	0000174898
Record Updated	Oct 29, 2026

March 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 22, 2022
Property Address	1317 CASTRO ST, MARTINEZ, CA 94553-2326
Document Number	0000050583
Map Reference	MB D PG 83
Instrument Date	Mar 11, 2022
Instrument	2022-050583
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE COMPANY

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	1317 CASTRO ST, MARTINEZ, CA 94553-2326

Mortgage

Document Number	0000050584
Date	Mar 22, 2022
Instrument	2022-050584

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 1317 Castro St was $9,160 with a homeowner's exemption.

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		$575,000 (-5.74%) Land $490,442 Building $84,558
2025	$9,160.00 Homeowner's exemption	$610,000 Land $520,295 Building $89,705
2023	$8,253.00 (+14.05%)	$640,000 Land $546,000 Building $94,000
2022	$7,236.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 1317 Castro St in Zone AO, a high-risk flood area; flood insurance is required for federally backed loans.

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

Wildfire risk around 1317 Castro St is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 46% of the US · lower than 72% of California
Wildfire Likelihood	0.09% 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 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.

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