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621 E St, Martinez, CA 94553 Property Records

Contra Costa County property record for 621 E St, Martinez, CA 94553 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1956
Square Footage1,128 sqft Living Area
Lot Size4,500 sqft (0.103 acres)
OccupancyOwner Occupied
Last Sale$458,000 (2006)
Tax Bill$8,163.00 (2025)

Property Details

APN / Parcel Number

Primary APN370-243-012-9
Alternative APN
  • 370-243-012

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Building Area1,128 sqft Living Area
1st Floor1,128 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 1956
Effective Year BuiltEffective 1956
Lot Area4,500 sqft (0.103 acres)
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area438 sqft Garage

Utilities and HVAC

Heating SystemCentral Heating

Location & Zoning

Street Address621 E ST
CityMARTINEZ
StateCA
Zip94553-3207
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionCASTRO ST EXT LOT 11 BLK 182
Legal SubdivisionCASTRO STREET EXT
Legal Block182
Legal Lot Number11
JurisdictionCONTRA COSTA CA
Minor Civil DivisionCENTRAL CONTRA COSTA
Census Blockgroup3
Census Block3007
Census Tract318000

Owner

Source: Contra Costa County records · APN 370-243-012-9

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 Address621 E ST, MARTINEZ, CA 94553-3207
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingSingle Person or Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleDec 13, 2006 · Amount on Record
Deed SaleDec 13, 2006 · Amount on Record
Prior SaleDec 01, 2004 · Amount on Record
Deed Doc Number2006397056
Prior Transfer DateNov 22, 2004
Prior Transfer Doc0000460552
Record RefreshedSep 20, 2026

October 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address621 E ST, MARTINEZ, CA 94553-3207
Document Number0000263062
Instrument DateOct 26, 2020
Transaction TypeMortgage
Record UpdatedNov 13, 2020
Title CompanyWFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
Address621 E ST MARTINEZ CA 945533207, MARTINEZ, CA 94553-3207

Mortgage

Document Number0000263062
DateNov 04, 2020
Instrument263062
Lender
NameGROVES CAP INC
AddressSAN DIEGO, CA 92130
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueNov 03, 2050

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 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$625,878 (+2%) Land $478,297 Building $147,581
2025$8,163.00 (+6.47%)$613,607 (+4.04%) Land $468,919 Building $144,688
2023$7,667.00 (+1.66%)$589,781 Land $450,711 Building $139,070
2022$7,542.00

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