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504 Isabel Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 504 Isabel Dr, Martinez, CA 94553 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms2.5 Baths
Year BuiltBuilt 1988
Square Footage2,222 sqft Living Area
Lot Size7,500 sqft (0.172 acres)
GarageAttached, 562 sqft
Last Sale$281,000 (1997)
Tax Bill$5,985.00 (2025)

Property Details

APN / Parcel Number

Primary APN155-450-008
Alternative APN
  • 155-450-008-0

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Partial Baths1 Partial Baths
Total Rooms10 Rooms
Building Area2,222 sqft Living Area
1st Floor1,196 sqft 1st Floor
2nd Floor1,026 sqft 2nd Floor
Stories2 Stories

Exterior

Year BuiltBuilt 1986
Effective Year BuiltEffective 1988
Lot Area7,500 sqft (0.172 acres)
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area562 sqft Garage

Location & Zoning

Street Address504 ISABEL DR
CityMARTINEZ
StateCA
Zip94553-6615
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionT05127 L0057 B
Legal SubdivisionSUBDIVISION 5127
Legal Tract05127
Legal Lot Number57
JurisdictionCONTRA COSTA CA
Minor Civil DivisionCENTRAL CONTRA COSTA
Census Blockgroup2
Census Block2001
Census Tract321102

Owner

Source: Contra Costa County records · APN 155-450-008

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 Address5600 BRUCE DR, PLEASANTON, CA 94588-9539
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleOct 22, 1997 · Amount on Record
Deed SaleOct 22, 1997 · Amount on Record
Deed Doc Number1997205060
Prior Transfer DateJul 16, 1997
Prior Transfer Doc0000138794
Record RefreshedSep 20, 2026

January 2021: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJan 28, 2021
Property Address504 ISABEL DR, MARTINEZ, CA 94553-6615
Document Number0000027124
Instrument DateJan 27, 2021
Instrument27124
Transaction TypeTransfer
Record UpdatedFeb 09, 2021
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSole Owner
Address5600 BRUCE DR PLEASANTON CA 945889539, PLEASANTON, CA 94588-9539

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 is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2026$457,638 (+2%) Land $143,312 Building $314,326
2025$5,985.00 (+4.2%)$448,665 (+4.04%) Land $140,502 Building $308,163
2023$5,744.00 (+0.84%)$431,246 Land $135,048 Building $296,198
2022$5,696.00

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