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545 William Way, Martinez, CA 94553 Property Records

Contra Costa County property record for 545 William Way, Martinez, CA 94553 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2.5 Baths
Year BuiltBuilt 2023
Square Footage2,111 sqft Living Area
Lot Size7,590 sqft (0.174 acres)
OccupancyOwner Occupied
Last Sale$1,242,000 (2023)
Tax Bill$18,696.00 (2025)

Property Details

APN / Parcel Number

Primary APN162-580-042-8
Alternative APN
  • 162-580-042

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Partial Baths1 Partial Baths
Total Rooms8 Rooms
Building Area2,111 sqft Living Area
1st Floor2,111 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 2023
Effective Year BuiltEffective 2023
Lot Area7,590 sqft (0.174 acres)
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area441 sqft Garage

Location & Zoning

Street Address545 WILLIAM WAY
CityMARTINEZ
StateCA
Zip94553-4764
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionT9358 L42
Legal SubdivisionTRADITIONS/THE MDW SUB 9358
Legal Tract9358
JurisdictionCONTRA COSTA CA
Minor Civil DivisionCENTRAL CONTRA COSTA
Census Blockgroup3
Census Block3014
Census Tract321101

Owner

Source: Contra Costa County records · APN 162-580-042-8

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 Address545 WILLIAM WAY, MARTINEZ, CA 94553-4764
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleDec 22, 2023 · Amount on Record
Deed SaleDec 22, 2023 · Amount on Record
Deed Doc Number2023134857
Record RefreshedSep 20, 2026

December 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 22, 2023
Property Address545 WILLIAM WAY, MARTINEZ, CA 94553-4764
Document Number0000134857
Map ReferenceMB 548 PG 21
Instrument DateNov 27, 2023
Instrument2023-134857
Transaction TypeTransfer
Record UpdatedJan 10, 2024
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address545 WILLIAM WAY, MARTINEZ, CA 94553-4764
InvestorPossibly a Property Investor

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 DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2026$1,291,864 (+2%) Land $729,008 Building $562,856
2025$18,696.00 (+31%) Homeowner's exemption$1,266,534 (+488.05%) Land $714,714 Building $551,820
2023$4,560.00 (+145.95%)$215,377 Land $215,377
2022$1,854.00

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