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911 Brown St, Martinez, CA 94553 Property Records

Contra Costa County property record for 911 Brown St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,815 sqft · built 1929
Lot Size0.119 acres (5,200 sqft)
OwnerIndividual Name on File
Last Sale$395,000 (Feb 2004)
Tax Bill$7,559 (2025)
Deeds & MortgagesJan 2020 Mortgage
Jan 2021 Mortgage
Flood ZoneZone AO (high risk)
APN374-131-012-6

Property Details

APN / Parcel Number

Primary APN374-131-012-6
Alternative APN
  • 374-131-012

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,815 sqft Living Area
1st Floor Area1,383 sqft
Basement Area432 sqft

Exterior

Year BuiltBuilt 1929
Effective Year BuiltEffective 1935
Lot Area5,200 sqft (0.119 acres)
Garage TypeAttached
Garage Area215 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address911 BROWN ST
CityMARTINEZ
StateCA
Zip94553-2574
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLA SALLE HEIGHTS #2 64
Legal SubdivisionLA SALLE HEIGHTS 02
Legal Lot Number64
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2004
Census Tract317000

Owner

Source: Contra Costa County records · APN 374-131-012-6

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 RecordIndividual Name on File
Mailing Address3022 ASHBY AVE, BERKELEY, CA 94705-2418
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

DateDocument
Jan 10, 2020Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Jan 06, 2021Deed of Trust, Mortgage · Conventional Mortgage
THE LOAN STORE INC

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleFeb 10, 2004 · Amount on Record
Deed SaleFeb 10, 2004 · Amount on Record
Deed Document Number200443414
Prior Transfer DateFeb 25, 2002
Prior Transfer Doc0000069377
Record UpdatedSep 20, 2026

January 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address911 BROWN ST, MARTINEZ, CA 94553-2574
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000005510
DateJan 10, 2020
Instrument2020-005510
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2050

January 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address911 BROWN ST, MARTINEZ, CA 94553-2574
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address911 BROWN ST, MARTINEZ, CA 94553-2574

Mortgage

Document Number0000003460
DateJan 06, 2021
Instrument2021-003460
Lender
NameTHE LOAN STORE INC
TypeNon-Lending Institution
AddressSAN FRANCISCO, CA 94108
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJan 01, 2051

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$572,819 (+2%) Land $313,239 Building $259,580
2025$7,559.00 (+6.46%)$561,589 (+4.04%) Land $307,098 Building $254,491
2023$7,100.00 (+1.65%)$539,783 Land $295,174 Building $244,609
2022$6,985.00

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 RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
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, 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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