1321 Oak St, Martinez, CA 94553 Property Records

Contra Costa County property record for 1321 Oak St, Martinez, CA 94553

Property Summary

Property TypeSingle Family Home
Details2 bd · 1.5 ba · 1,038 sqft · built 1952
Lot Size0.115 acres (5,000 sqft)
OwnerIndividual Name on File
Last Sale$575,000 (Jul 2023)
Tax Bill$7,937 (2025)
Deeds & MortgagesMay 2026 Mortgage
Jul 2023 Sale & Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN375-202-006-9

Property Details

APN / Parcel Number

Primary APN375-202-006-9
Alternative APN
  • 375-202-006

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,038 sqft Living Area
1st Floor Area1,038 sqft
Basement Area616 sqft

Exterior

Year BuiltBuilt 1952
Effective Year BuiltEffective 1952
Lot Area5,000 sqft (0.115 acres)
Garage TypeAttached
Garage Area273 sqft
Parking Spaces1 Parking Space

Location & Zoning

Street Address1321 OAK ST
CityMARTINEZ
StateCA
Zip94553-2847
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR6
Legal DescriptionMARTINEZ LAND #2 11 11
Legal SubdivisionMARTINEZ LAND CO 02
Legal Block11
Legal Lot Number11
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group4
Census Block4009
Census Tract319002

Owner

1321 Oak St is owned and occupied by an individual who bought it in July 2023.

Source: Contra Costa County records, as of July 14, 2026

Owner of RecordIndividual Name on File
Mailing Address1321 OAK ST, MARTINEZ, CA 94553-2847
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
May 12, 2026Gift Deed, Transfer · Conventional Mortgage
FIFTH THIRD BANK
Jul 21, 2023Grant Deed, Transfer · Conventional Mortgage
AMERICAN PACIFIC MORTGAGE CORP
Jul 20, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 21, 2023 · Amount on File
Deed SaleJul 21, 2023 · Amount on File
Deed Document Number202369730
Prior Transfer DateJul 13, 2021
Prior Transfer Doc0000204757
Record UpdatedOct 29, 2026

May 2026: Gift Deed, Transfer

Document TypeGift Deed
JurisdictionCONTRA COSTA CA
Recording DateMay 12, 2026
Property Address1321 OAK ST, MARTINEZ, CA 94553-2847
Document Number0000049255
Instrument DateApr 23, 2026
Instrument202649255
Transaction TypeTransfer
Record UpdatedJul 12, 2026
Title CompanySTEWART TITLE

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1321 OAK ST, MARTINEZ, CA 94553-2847
InvestorPossibly a Property Investor

Mortgage

Document Number0000049256,
DateMay 12, 2026
Instrument202649256
Lender
NameFIFTH THIRD BANK
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueMay 1, 2056
Interest
Rate TypeFixed Rate
Rate6.38%
Initial TypeFixed Rate
Max Rate-1%

July 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 21, 2023
Property Address1321 OAK ST, MARTINEZ, CA 94553-2847
Document Number0000069730
Map ReferenceVOL 14 PG 285
Instrument DateJul 14, 2023
Instrument2023-069730
Transaction TypeTransfer
Record UpdatedAug 1, 2023
Title CompanyFIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

AmountAmount on Record
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
RelationshipJoint Tenants
Address1321 OAK ST, MARTINEZ, CA 94553-2847
InvestorPossibly a Property Investor

Mortgage

Document Number0000069731
DateJul 21, 2023
Instrument2023-069731
Lender
NameAMERICAN PACIFIC MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueAug 1, 2053

July 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJul 20, 2021
Property Address1321 OAK ST, MARTINEZ, CA 94553-2847
Document Number0000204757
Map ReferenceVOL 14 PG 282
Instrument DateJul 13, 2021
Instrument2021-204757
Transaction TypeTransfer
Record UpdatedNov 3, 2022

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address736 FERRY ST, MARTINEZ, CA 94553-1624

Tax Assessment & Valuation

The 2025 property tax bill for 1321 Oak St was $7,937.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Unified School DistrictMartinez Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$598,230 (+2%) Land $447,372 Building $150,858
2025$7,937.00$586,500 Land $438,600 Building $147,900
2023$7,799.00 (+2.55%)$598,230 Land $405,756 Building $192,474
2022$7,605.00

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

Flood

FEMA maps place 1321 Oak St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

The area around 1321 Oak St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within 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 567 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Astound Broadband
Fiber · Cable in parts of the area
1,500 / 1,500
Unwired
Fixed Wireless
300 / 25
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fiber in parts of the area
100 / 20

May also be available: Verizon.

Nearby Properties on Oak St

Nearby Streets

Search Property Records by Address or Parcel Number