1331 Oak St, Martinez, CA 94553 Property Records

Contra Costa County property record for 1331 Oak St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	5 bd · 1.5 ba · 1,876 sqft · built 1934
Lot Size	0.115 acres (5,000 sqft)
Owner	Trust Name on File
Tax Bill	$1,659 (2025)
Deeds & Mortgages	Jun 2017 Transfer Jun 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`375-202-005-1`

Property Details

APN / Parcel Number

Primary APN	`375-202-005-1`
Alternative APN	`375-202-005`

Interior

Bedrooms	5 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,876 sqft Living Area
1st Floor Area	1,096 sqft
Basement Area	780 sqft

Exterior

Year Built	Built 1934
Effective Year Built	Effective 1934
Lot Area	5,000 sqft (0.115 acres)

Location & Zoning

Street Address	1331 OAK ST
City	MARTINEZ
State	CA
Zip	94553-2847
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	MARTINEZ LAND #2 LOT 12 BLK 11
Legal Subdivision	MARTINEZ LAND CO 02
Legal Tract	2
Legal Block	11
Legal Lot Number	12
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4009
Census Tract	319002

Owner

1331 Oak St is held in a trust since October 2005.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	Trust Name on File
Mailing Address	1331 OAK ST, MARTINEZ, CA 94553-2847
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jun 23, 2017	Quit Claim Deed, Transfer PLACER TITLE COMPANY, PLACER TITLE CO.
Jun 23, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Oct 5, 2005
Transfer Doc	0000421581
Record Updated	Oct 29, 2026

June 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 23, 2017
Property Address	1331 OAK ST, MARTINEZ, CA 94553-2847
Document Number	0000112694
Instrument Date	Jun 19, 2017
Instrument	112694
Transaction Type	Transfer
Record Updated	Jul 7, 2017
Title Company	PLACER TITLE COMPANY, PLACER TITLE CO.

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1331 OAK ST MARTINEZ CA 945532847, MARTINEZ, CA 94553-2847

June 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 23, 2017
Property Address	1331 OAK ST, MARTINEZ, CA 94553-2847
Document Number	0000112692
Map Reference	MB14 PG285
Instrument Date	Jun 19, 2017
Instrument	2017-112692
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	PLACER 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	1331 OAK ST, MARTINEZ, CA 94553-2847

Mortgage

Document Number	0000112693
Date	Jun 23, 2017
Instrument	2017-112693

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 1331 Oak St was $1,659.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$45,584 (+2%) Land $16,466 Building $29,118
2025	$1,659.00	$44,692 Land $16,144 Building $28,548
2023	$1,516.00 (+5.72%)	$42,959 Land $15,518 Building $27,441
2022	$1,434.00

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

Flood

FEMA maps place 1331 Oak St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 1331 Oak St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land 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 567 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
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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