302 Warren St, Martinez, CA 94553 Property Records

Contra Costa County property record for 302 Warren St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,008 sqft · built 1926
Lot Size0.087 acres (3,800 sqft)
Owner2 Individual Names on File
Last Sale$600,000 (Oct 2022)
Tax Bill$8,206 (2025)
Deeds & MortgagesOct 2025 Mortgage
Oct 2022 Sale & Mortgage
+ 3 more
Flood ZoneZone X (minimal risk)
APN372-306-001-2

Property Details

APN / Parcel Number

Primary APN372-306-001-2
Alternative APN
  • 372-306-001

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,008 sqft Living Area
1st Floor Area1,008 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1926
Effective Year BuiltEffective 1950
Lot Area3,800 sqft (0.087 acres)
Garage TypeAttached
Garage Area200 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Street Address302 WARREN ST
CityMARTINEZ
StateCA
Zip94553-2433
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionORIGINAL SURVEY POR LOT 4 BLK 60
Legal SubdivisionMARTINEZ
Legal Block60
Legal Lot Number4
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1010
Census Tract318000

Owner

Source: Contra Costa County records · APN 372-306-001-2

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 Record2 Individual Names on File
Mailing Address302 WARREN ST, MARTINEZ, CA 94553-2433
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Oct 20, 2025Deed of Trust, Mortgage · Conventional Mortgage
AMERICAN PACIFIC MORTGAGE CORP
Oct 25, 2022Grant Deed, Transfer · Conventional Mortgage
AMERICAN PACIFIC MORTGAGE CORP
Sep 29, 2018Deed of Trust, Mortgage · Conventional Mortgage
BANK OF AMERICA
Aug 09, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY
Jan 19, 2018Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 25, 2022 · Amount on Record
Deed SaleOct 25, 2022 · Amount on Record
Prior SaleApr 03, 2012 · Amount on Record
Deed Document Number2022165782
Prior Transfer DateJul 20, 2018
Prior Transfer Doc0000126927
Record UpdatedSep 20, 2026

October 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address302 WARREN ST, MARTINEZ, CA 94553-2433
Transaction TypeMortgage
Record UpdatedOct 30, 2025
Title CompanyFIRST AMERICAN TITLE, FIRST AMERICAN MORTGAGE SLN

Transferred To (Grantee/Buyer)

NameVerified Name
Address302 WARREN ST, MARTINEZ, CA 94553-2433

Mortgage

Document Number0000110003
DateOct 20, 2025
Instrument2025- 110003
Lender
NameAMERICAN PACIFIC MORTGAGE CORP
TypeMortgage Company
Address3000 LAVA RIDGE CT STE 200, ROSEVILLE, CA 95661
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2055

October 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateOct 25, 2022
Property Address302 WARREN ST, MARTINEZ, CA 94553-2433
Document Number0000165782
Instrument DateOct 18, 2022
Instrument2022-165782
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address302 WARREN ST, MARTINEZ, CA 94553-2433

Mortgage

Document Number0000165783
DateOct 25, 2022
Instrument2022-165783
Lender
NameAMERICAN PACIFIC MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2052

September 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address302 WARREN ST, MARTINEZ, CA 94553-2433
Document Number0000158331
Instrument DateSep 29, 2018
Transaction TypeMortgage
Record UpdatedNov 22, 2018
Title CompanyPLACER TITLE COMPANY, PLACER TITLE CO.

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address302 WARREN ST MARTINEZ CA 945532433, MARTINEZ, CA 94553-2433

Mortgage

Document Number0000158331
DateOct 04, 2018
Instrument158331
Lender
NameBANK OF AMERICA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueOct 03, 2048

August 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateAug 09, 2018
Property Address302 WARREN ST, MARTINEZ, CA 94553-2433
Document Number0000126927
Instrument DateJul 20, 2018
Instrument126927
Transaction TypeTransfer
Record UpdatedAug 16, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address302 WARREN ST MARTINEZ CA 945532433, MARTINEZ, CA 94553-2433

January 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address302 WARREN ST, MARTINEZ, CA 94553-2433
Document Number0000011657
Instrument DateJan 19, 2018
Transaction TypeMortgage
Record UpdatedJan 30, 2018
Title CompanyORANGE COAST TITLE FAIR OAKS

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address302 WARREN ST MARTINEZ CA 945532433, MARTINEZ, CA 94553-2433

Mortgage

Document Number0000011657
DateJan 24, 2018
Instrument11657
Lender
NameLOANDEPOT.COM LLC
TypeFunding / Finance Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJan 23, 2048

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$636,723 (+2%) Land $525,297 Building $111,426
2025$8,206.00 (+6.5%) Homeowner's exemption$624,240 (+4.04%) Land $514,998 Building $109,242
2023$7,705.00 (+156.49%) Homeowner's exemption$600,000 Land $495,000 Building $105,000
2022$3,004.00

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 500 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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