1010 Warren St, Martinez, CA 94553 Property Records

Contra Costa County property record for 1010 Warren St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 837 sqft · built 1917
Lot Size	0.071 acres (3,100 sqft)
Owner	2 Company Names on File
Last Sale	$225,000 (Aug 2012)
Tax Bill	$4,140 (2025)
Deeds & Mortgages	Feb 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`374-113-002-9`

Property Details

APN / Parcel Number

Primary APN	`374-113-002-9`
Alternative APN	`374-113-002`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	837 sqft Living Area
1st Floor Area	837 sqft

Exterior

Year Built	Built 1917
Effective Year Built	Effective 1917
Architectural Style	Bungalow
Exterior Material	Wood Siding
Roof Material	Composition Shingle
Lot Area	3,100 sqft (0.071 acres)
Lot Dimensions	100 ft deep x 31 ft wide
Garage Area	971 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	1010 WARREN ST
City	MARTINEZ
State	CA
Zip	94553-1851
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	FRAZER ADDN POR 3116
Legal Subdivision	FRAZER ADD
Legal Block	116
Legal Lot Number	3
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1030
Census Tract	317000

Owner

Source: Contra Costa County records · APN 374-113-002-9

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	1098 MITCHELL CANYON RD, CLAYTON, CA 94517-1339
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 15, 2012 · Amount on Record
Deed Sale	Aug 15, 2012 · Amount on Record
Prior Sale	Aug 16, 1996 · Amount on Record
Deed Document Number	2012196939
Prior Transfer Date	Dec 13, 2011
Prior Transfer Doc	0000282146
Record Updated	Sep 20, 2026

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 26, 2021
Property Address	1010 WARREN ST, MARTINEZ, CA 94553-1851
Document Number	0000060247
Map Reference	MB B PG 29
Instrument Date	Feb 22, 2021
Instrument	2021-060247
Transaction Type	Transfer
Record Updated	Jun 07, 2023

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	1098 MITCHELL CANYON RD, CLAYTON, CA 94517-1339
Investor	Possibly a Property Investor

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$276,319 (+2%) Land $146,953 Building $129,366
2025	$4,140.00 (+6.45%)	$270,902 (+4.04%) Land $144,072 Building $126,830
2023	$3,889.00 (+1.54%)	$260,385 Land $138,479 Building $121,906
2022	$3,830.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AO, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force
Nearby Flood Claims	1 (2006)
Most Recent Claim	Mar 2006 · rainfall accumulation

Wildfire

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Radiate Holdings Fiber · Cable in parts of the area	1,500 / 1,500
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Unwired.

Based on FCC filings for 853 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF MARTINEZ serves 31,015 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.