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403 Isabel Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 403 Isabel Dr, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,839 sqft · built 1982
Lot Size0.23 acres (10,000 sqft)
Owner2 Individual Names on File
Last Sale$1,125,000 (Sep 2021)
Tax Bill$14,255 (2025)
Deeds & MortgagesMar 2026 Second Mortgage
Dec 2021 Line of Credit
+ 1 more
Flood ZoneZone X (minimal risk)
APN155-450-064-3

Property Details

APN / Parcel Number

Primary APN155-450-064-3
Alternative APN
  • 155-450-064

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,839 sqft Living Area
1st Floor Area1,839 sqft

Exterior

Year BuiltBuilt 1982
Effective Year BuiltEffective 1982
Lot Area10,000 sqft (0.23 acres)
Garage TypeAttached
Garage Area447 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address403 ISABEL DR
CityMARTINEZ
StateCA
Zip94553-6614
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 5127 LOT 96 & POR PCL A
Legal SubdivisionSUB 5127
Legal Tract5127
Legal Lot Number96
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2001
Census Tract321102

Owner

Source: Contra Costa County records · APN 155-450-064-3

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 Record2 Individual Names on File
Mailing Address403 ISABEL DR, MARTINEZ, CA 94553-6614
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Mar 11, 2026Deed of Trust, Mortgage · Stand-Alone Second Mortgage
ROCKET MORTGAGE LLC
Dec 30, 2021Deed of Trust, Mortgage · Line of Credit
THE POLICE CU
Sep 29, 2021Grant Deed, Transfer · Conventional Mortgage
CROSSCOUNTRY MORTGAGE LLC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 29, 2021 · Amount on Record
Deed SaleSep 29, 2021 · Amount on Record
Deed Document Number2021269774
Last Transfer DateApr 09, 2025
Transfer Doc0000034294
Record UpdatedSep 20, 2026

March 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address403 ISABEL DR, MARTINEZ, CA 94553-6614
Transaction TypeMortgage
Record UpdatedMar 20, 2026

Transferred To (Grantee/Buyer)

NameVerified Name
Address403 ISABEL DR, MARTINEZ, CA 94553-6614

Mortgage

Document Number0000023975
DateMar 11, 2026
Instrument2026- 023975
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
Address1050 WOODWARD AVE, DETROIT, MI 48226
Agreement
TypeStand-Alone Second Mortgage
AmountAmount Recorded
Term241 Months
DueApr 01, 2046

December 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address403 ISABEL DR, MARTINEZ, CA 94553-6614
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address403 ISABEL DR, BRIONES, CA 94553-6614

Mortgage

Document Number0000349723
DateDec 30, 2021
Instrument2021-349723
Lender
NameTHE POLICE CU
TypeCredit Union
AddressSAN BRUNO, CA 94066
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueDec 29, 2051
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

September 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 29, 2021
Property Address403 ISABEL DR, MARTINEZ, CA 94553-6614
Document Number0000269774
Map ReferenceMB 230 PG 44
Instrument DateAug 31, 2021
Instrument2021-269774
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
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
RelationshipJoint Tenants
Address403 ISABEL DR, MARTINEZ, CA 94553-6614

Mortgage

Document Number0000269775
DateSep 29, 2021
Instrument2021-269775
Lender
NameCROSSCOUNTRY MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 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 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$1,217,736 (+2%) Land $676,520 Building $541,216
2025$14,255.00 (+4.01%) Homeowner's exemption$1,193,859 (+4.04%) Land $663,255 Building $530,604
2023$13,706.00 (+0.73%) Homeowner's exemption$1,147,500 Land $637,500 Building $510,000
2022$13,607.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskLow
above 5% of the US · above 3% of California
Wildfire LikelihoodAbout 1 in 7,692 per year
ExposureDirect
burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

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