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322 Warren St, Martinez, CA 94553 Property Records

Contra Costa County property record for 322 Warren St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,119 sqft · built 1913
Lot Size0.092 acres (4,000 sqft)
OwnerCompany Name on File
Last Sale$340,000 (May 2008)
Tax Bill$6,203 (2025)
Deeds & MortgagesApr 2017 Transfer
Flood ZoneZone X (minimal risk)
APN372-306-004-6

Property Details

APN / Parcel Number

Primary APN372-306-004-6
Alternative APN
  • 372-306-004

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,119 sqft Living Area
1st Floor Area1,119 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1913
Effective Year BuiltEffective 1922
Architectural StyleBungalow
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area4,000 sqft (0.092 acres)
Garage TypeAttached
Garage Area384 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace
Water SourceCommercial

Location & Zoning

Street Address322 WARREN ST
CityMARTINEZ
StateCA
Zip94553-2433
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionORIGINAL SURVEY POR LOT 2 BLK 60
Legal SubdivisionMARTINEZ
Legal Block60
Legal Lot Number2
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1010
Census Tract318000

Owner

Source: Contra Costa County records · APN 372-306-004-6

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 RecordCompany Name on File
Mailing Address1 WHITFIELD CT, PLEASANT HILL, CA 94523-4032
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMay 28, 2008 · Amount on Record
Deed SaleMay 28, 2008 · Amount on Record
Prior SaleFeb 13, 2008 · Amount on Record
Deed Document Number2008117561
Last Transfer DateApr 28, 2017
Transfer Doc0000074559
Record UpdatedSep 20, 2026

April 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 28, 2017
Property Address322 WARREN ST, MARTINEZ, CA 94553-2433
Document Number0000074559
Instrument DateApr 28, 2017
Instrument74559
Transaction TypeTransfer
Record UpdatedMay 05, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address1 WHITFIELD CT PLEASANT HILL CA 945234032, PLEASANT HILL, CA 94523-4032

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$455,511 (+2%) Land $348,338 Building $107,173
2025$6,203.00 (+6.47%)$446,580 (+4.04%) Land $341,508 Building $105,072
2023$5,826.00 (+1.62%)$429,241 Land $328,248 Building $100,993
2022$5,733.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133180001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearest Special Flood Hazard AreaZone AO, within 100 ft
Flood Insurance CostPremium on Record
median of 23 individual NFIP policies nearby
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, other causes, Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims By Storm
  • Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 5 claims
  • Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 2 claims

Wildfire

Wildfire RiskModerate
above 49% of the US · above 29% of California
Wildfire LikelihoodAbout 1 in 990 per year
ExposureIndirect
within 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, availability as of December 31, 2025 · Published October 2026 · based on 853 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
Radiate HoldingsFiber1,500 / 1,500
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: Unwired, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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