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258 Explorer Way, Martinez, CA 94553 Property Records

Contra Costa County property record for 258 Explorer Way, Martinez, CA 94553 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms2.5 Baths
Year BuiltBuilt 2005
Square Footage2,271 sqft Living Area
Lot Size7,541 sqft (0.173 acres)
OccupancyOwner Occupied
Last Sale$656,000 (2005)
Tax Bill$12,389.00 (2025)

Property Details

APN / Parcel Number

Primary APN159-170-044-6
Alternative APN
  • 159-170-044

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Partial Baths1 Partial Baths
Total Rooms9 Rooms
Building Area2,271 sqft Living Area
1st Floor1,061 sqft 1st Floor
2nd Floor1,210 sqft 2nd Floor
Stories2 Stories

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2005
Lot Area7,541 sqft (0.173 acres)
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area486 sqft Garage

Location & Zoning

Street Address258 EXPLORER WAY
CityMARTINEZ
StateCA
Zip94553-3604
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionT8738 L9
Legal SubdivisionSUBDIVISION 8738
Legal Tract8738
Legal Lot Number9
JurisdictionCONTRA COSTA CA
Minor Civil DivisionCENTRAL CONTRA COSTA
Census Blockgroup1
Census Block1003
Census Tract320004

Owner

Source: Contra Costa County records · APN 159-170-044-6

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 RecordCompany Name on File
Mailing Address258 EXPLORER WAY, MARTINEZ, CA 94553-3604
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

DateDocument
Aug 08, 2023Deed of Trust, Mortgage · Line of Credit
BANK OF AMERICA NA
Jun 29, 2021Deed of Trust, Mortgage · Conventional Mortgage
BANK OF AMERICA NA
Jun 24, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleApr 15, 2005 · Amount on Record
Deed SaleApr 15, 2005 · Amount on Record
Deed Doc Number2005132590
Last Transfer DateJun 22, 2021
Transfer Doc0000182435
Record RefreshedSep 20, 2026

August 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address258 EXPLORER WAY, MARTINEZ, CA 94553-3604
Transaction TypeMortgage
Record UpdatedAug 17, 2023
Title CompanyWFG LENDER SERVICES

Transferred To (Grantee/Buyer)

NameVerified Name
Address258 EXPLORER WAY, MARTINEZ, CA 94553-3604

Mortgage

Document Number0000075590
DateAug 08, 2023
Instrument2023-075590
Lender
NameBANK OF AMERICA NA
TypeBank
AddressFORT WORTH, TX 76155
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

June 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address258 EXPLORER WAY, MARTINEZ, CA 94553-3604
Transaction TypeMortgage
Record UpdatedMay 30, 2023

Transferred To (Grantee/Buyer)

NameVerified Name
Address258 EXPLORER WAY, MARTINEZ, CA 94553-3604

Mortgage

Document Number0000185635
DateJun 29, 2021
Instrument2021-185635
Lender
NameBANK OF AMERICA NA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 01, 2051

June 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJun 24, 2021
Property Address258 EXPLORER WAY, MARTINEZ, CA 94553-3604
Document Number0000182435
Map ReferenceMB 464 PG 11
Instrument DateJun 22, 2021
Instrument2021-182435
Transaction TypeTransfer
Record UpdatedMay 30, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address258 EXPLORER WAY, MARTINEZ, CA 94553-3604

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
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$967,385 (+2%) Land $405,200 Building $562,185
2025$12,389.00 (+6.89%) Homeowner's exemption$948,417 (+4.04%) Land $397,255 Building $551,162
2023$11,590.00 (+2.39%) Homeowner's exemption$911,590 Land $381,830 Building $529,760
2022$11,319.00

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