1. Home
  2. California
  3. Contra Costa County
  4. Martinez
  5. Warren St

404 Warren St, Martinez, CA 94553 Property Records

Contra Costa County property record for 404 Warren St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,266 sqft · built 1923
Lot Size0.115 acres (5,000 sqft)
OwnerCompany Name on File
Last Sale$404,000 (Jun 2019)
Tax Bill$6,600 (2025)
Deeds & MortgagesJun 2019 Sale
Flood ZoneZone AO (high risk)
APN372-305-007

Property Details

APN / Parcel Number

Primary APN372-305-007
Alternative APN
  • 372-305-007-0

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,266 sqft Living Area
Gross Area1,008 sqft
1st Floor Area1,008 sqft

Exterior

Year BuiltBuilt 1923
Effective Year BuiltEffective 1950
Lot Area5,000 sqft (0.115 acres)

Location & Zoning

Street Address404 WARREN ST
CityMARTINEZ
StateCA
Zip94553-2436
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionORIGINAL SURVEY LOT 4 BLK 61
Legal SubdivisionMARTINEZ
Legal Block61
Legal Lot Number4
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2020
Census Tract317000

Owner

Source: Contra Costa County records · APN 372-305-007

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 AddressPO BOX 468, MARTINEZ, CA 94553-0046
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJun 21, 2019 · Amount on Record
Deed SaleJun 21, 2019 · Amount on Record
Deed Document Number201994229
Prior Transfer DateJan 15, 2016
Prior Transfer Doc0000008478
Record UpdatedSep 20, 2026

June 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 21, 2019
Property Address404 WARREN ST, MARTINEZ, CA 94553-2436
Document Number0000094229
Instrument DateJun 19, 2019
Instrument94229
Transaction TypeTransfer
Record UpdatedJul 01, 2019
Title CompanyOLD REPUBLIC TITLE

Transaction

AmountAmount Recorded
Tax$444.40
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
AddressPO BOX 468 MARTINEZ CA 945530046, MARTINEZ, CA 94553-0046

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$459,678 (+2%) Land $345,897 Building $113,781
2025$6,600.00 (+6.04%)$450,665 (+4.04%) Land $339,115 Building $111,550
2023$6,224.00 (-3.44%)$433,167 Land $325,948 Building $107,219
2022$6,446.00

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 060133170002, 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 AO
sheet flow 1–3 ft
Special Flood Hazard AreaYes
Flood HazardHigh
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired (federally backed mortgages)
Flood Insurance CostPremium on Record
median of 70 individual NFIP policies nearby
Nearby Flood Policies70 in force
Nearby Flood Claims51 (1980–2018)
Claims Outside the SFHA1 of 51
Most Recent ClaimSep 2018
Claims By Storm
  • Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 6 claims
  • Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 12 claims
  • Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 9 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

Nearby Properties on Warren St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures