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643 Center Ave, Martinez, CA 94553 Property Records

Contra Costa County property record for 643 Center Ave, Martinez, CA 94553

Property Summary

Property TypeCondominium
Details1 bd · 1 ba · 680 sqft · built 1981
Lot Size0.017 acres (722 sqft)
OwnerIndividual Name on Record
Last Sale$290,000 (Jun 2017)
Tax Bill$5,154 (2025)
Deeds & MortgagesApr 2021 Mortgage
Jun 2017 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN162-540-074

Property Details

APN / Parcel Number

Primary APN162-540-074
Alternative APN
  • 162-540-074-0

Interior

Bedrooms1 Bed
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area680 sqft Living Area
1st Floor Area680 sqft

Exterior

Year BuiltBuilt 1981
Effective Year BuiltEffective 1993
Architectural StyleCondo/Apartment
Lot Area722 sqft (0.017 acres)
Garage TypeAttached
Garage Area150 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address643 CENTER AVE
CityMARTINEZ
StateCA
Zip94553-4644
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionT06051 L B BG0010 U0074
Legal SubdivisionMUIRWOOD SQUARE SUB 6051
Legal Tract6051
Legal Lot NumberB
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3006
Census Tract321101

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 RecordIndividual Name on Record
Mailing Address643 CENTER AVE, MARTINEZ, CA 94553-4644
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 27, 2021Deed of Trust, Mortgage · Conventional Mortgage
JPMORGAN CHASE BANK NA
Jun 30, 2017Grant Deed, Transfer · Conventional Mortgage
RPM MORTGAGE INC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 30, 2017 · Amount on Record
Deed SaleJun 30, 2017 · Amount on Record
Prior SaleMay 13, 2016 · Amount on Record
Deed Document Number2017117560
Prior Transfer DateJan 15, 2004
Prior Transfer Doc0000086603
Record UpdatedOct 29, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address643 CENTER AVE, MARTINEZ, CA 94553-4644
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyAMROCK TITLE CALIFORNIA INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address643 CENTER AVE, MARTINEZ, CA 94553-4644

Mortgage

Document Number0000126853
DateApr 27, 2021
Instrument2021-126853
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressCOLUMBUS, OH 43240
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term356 Months
DueDec 1, 2050

June 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 30, 2017
Property Address643 CENTER AVE, MARTINEZ, CA 94553-4644
Document Number0000117560
Map ReferenceMAP260 PG20
Instrument DateJun 27, 2017
Instrument2017-117560
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyORTC CONCORD

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
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
Address643 CENTER AVE, MARTINEZ, CA 94553-4644

Mortgage

Document Number0000117561
DateJun 30, 2017
Instrument2017-117561
Lender
NameRPM MORTGAGE INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 1, 2047

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$343,293 (+2%) Land $201,241 Building $142,052
2025$5,154.00 (+7.33%)$336,563 (+4.04%) Land $197,296 Building $139,267
2023$4,802.00 (+2.96%)$323,496 Land $189,636 Building $133,860
2022$4,664.00

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
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force

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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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 239 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25

May also be available: Astound Broadband, AT&T, T-Mobile, Verizon.

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