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310 Warren St, Martinez, CA 94553 Property Records

Contra Costa County property record for 310 Warren St, Martinez, CA 94553

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,646 sqft · built 1927
Lot Size0.09 acres (3,900 sqft)
OwnerCompany Name on Record
Last Sale$565,000 (Oct 2016)
Tax Bill$9,003 (2025)
Deeds & MortgagesJun 2023 Transfer
Jun 2023 Transfer
Flood ZoneZone X (minimal risk)
APN372-306-002

Property Details

APN / Parcel Number

Primary APN372-306-002
Alternative APN
  • 372-306-002-0

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area1,646 sqft Living Area
Gross Area1,017 sqft
1st Floor Area1,017 sqft

Exterior

Year BuiltBuilt 1927
Effective Year BuiltEffective 1947
Lot Area3,900 sqft (0.09 acres)
Garage Area288 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address310 WARREN ST
CityMARTINEZ
StateCA
Zip94553-2433
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionORIGINAL SURVEY POR 3&4 60
Legal SubdivisionMARTINEZ
Legal Block60
Legal Lot Number3
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1010
Census Tract318000

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 RecordCompany Name on Record
Mailing Address1874 ARKELL RD, WALNUT CREEK, CA 94598-1213
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Jun 9, 2023Intrafamily Transfer, Transfer
Jun 9, 2023Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 5, 2016 · Amount on Record
Deed SaleOct 5, 2016 · Amount on Record
Prior SaleFeb 16, 2006 · Amount on Record
Deed Document Number2016206959
Last Transfer DateMar 10, 2023
Transfer Doc0000025071
Record UpdatedOct 29, 2026

June 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJun 9, 2023
Property Address310 WARREN ST, MARTINEZ, CA 94553-2433
Document Number0000055352
Instrument DateMay 24, 2023
Instrument2023-055352
Transaction TypeTransfer
Record UpdatedJun 19, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1874 ARKELL RD, WALNUT CREEK, CA 94598-1213

June 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJun 9, 2023
Property Address310 WARREN ST, MARTINEZ, CA 94553-2433
Document Number0000055351
Instrument DateMay 24, 2023
Instrument2023-055351
Transaction TypeTransfer
Record UpdatedJun 19, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address310 WARREN ST, MARTINEZ, CA 94553-2433

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityMartinez City
Unified School DistrictMartinez Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$668,839 (+2%) Land $331,460 Building $337,379
2025$9,003.00 (+6.15%)$655,725 (+4.04%) Land $324,961 Building $330,764
2023$8,481.00 (-2.1%)$630,265 Land $312,344 Building $317,921
2022$8,663.00

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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AO, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 23 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies23 in force
Nearby Flood Claims12 (1980–2022)
Claims Outside the SFHA3 of 12
Most Recent ClaimDec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 5 claims
  • Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 2 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 RiskModerate
above 48% of the US · lower than 71% of California
Wildfire Likelihood0.1% annual chance
ExposureIndirect
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 SystemCITY OF MARTINEZ
serves 31,015 people · EPA ID CA0710006
Water SourcePurchased surface water from CONTRA COSTA WATER DISTRICT
Last State InspectionOct 2025
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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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