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15 Foster St, Martinez, CA 94553 Property Records

Contra Costa County property record for 15 Foster St, Martinez, CA 94553 · Last verified July 2026

Property Highlights

Property TypeResidential > Multi-Unit > Quadplex
Bedrooms8 Beds
Bathrooms4 Baths
Year BuiltBuilt 1962
Square Footage3,060 sqft Living Area
Lot Size7,000 sqft (0.161 acres)
OccupancyOwner Occupied
Last Sale$500,000 (2010)
Tax Bill$10,516.00 (2025)

Property Details

APN / Parcel Number

Primary APN372-032-009-6
Alternative APN
  • 372-032-009

Interior

Bedrooms8 Beds
Full Baths4 Baths
Total Rooms4 Rooms
Building Area3,060 sqft Living Area
1st Floor3,060 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 1962
Effective Year BuiltEffective 1962
Architectural StyleQuadruplex Style
Exterior MaterialStucco Exterior
Construction TypeBrick Construction
Roof ConstructionFlat Roof Construction
Roof MaterialRoll Tar & Gravel Roof
Lot Area7,000 sqft (0.161 acres)
Parking Spaces4 Parking Spaces
Garage TypeCarport Garage
Garage Area800 sqft Garage
CarportCarport
Carport Area800 sqft Carport

Utilities and HVAC

Cooling SystemWall Unit Cooling
Heating SystemFloor/Wall Furnace Heating

Location & Zoning

Street Address15 FOSTER ST
CityMARTINEZ
StateCA
Zip94553-1027
Property UsageResidential Property Usage
TypeResidential > Multi-Unit > Quadplex
Legal DescriptionORIGINAL SURVEY LOT 12 BLK 5
Legal SubdivisionTOWN/MARTINEZ
Legal Block5
Legal Lot Number12
JurisdictionCONTRA COSTA CA
Minor Civil DivisionCENTRAL CONTRA COSTA
Census Blockgroup2
Census Block2009
Census Tract318000

Owner

Source: Contra Costa County records · APN 372-032-009-6

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 Record2 Individual Names on File
Mailing Address19 FOSTER ST, MARTINEZ, CA 94553-1027
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Mar 02, 2021Deed of Trust, Mortgage · Conventional Mortgage
PLATINUM HOME MORTGAGE CORP
Mar 24, 2017Deed of Trust, Mortgage · Conventional Mortgage
JPMORGAN CHASE BANK NA
Aug 15, 2019Intrafamily Transfer, Transfer · Conventional Mortgage
PLATINUM HOME MORTGAGE CORP

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 22, 2010 · Amount on Record
Deed SaleMar 22, 2010 · Amount on Record
Prior SaleMar 21, 2001 · Amount on Record
Deed Doc Number201055339
Last Transfer DateAug 09, 2019
Transfer Doc0000130060
Record RefreshedSep 20, 2026

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address15 FOSTER ST, MARTINEZ, CA 94553-1027
Transaction TypeMortgage
Record UpdatedJun 08, 2026
Title CompanyWFG NATIONAL TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address20183 BARTEL ST, BURNEY, CA 96013-4203

Mortgage

Document Number0000063508
DateMar 02, 2021
Instrument2021-063508
Lender
NamePLATINUM HOME MORTGAGE CORP
TypeMortgage Company
AddressROLLING MEADOWS, IL 60008
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueMar 01, 2051

March 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address15 FOSTER ST, MARTINEZ, CA 94553-1027
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyTSI TITLE COMPANY OF CA INC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000051366
DateMar 24, 2017
Instrument2017-051366
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressCOLUMBUS, OH 43240
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2047

August 2019: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateAug 15, 2019
Property Address15 FOSTER ST, MARTINEZ, CA 94553-1027
Document Number0000130060
Map ReferenceMB D PG 83
Instrument DateAug 09, 2019
Instrument2019-130060
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyNORTH AMERICAN TITLE CO INC

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address19 FOSTER ST, MARTINEZ, CA 94553-1027

Mortgage

Document Number0000130061
DateAug 15, 2019
Instrument2019-130061
Lender
NamePLATINUM HOME MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 01, 2049

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$658,302 (+2%) Land $197,488 Building $460,814
2025$10,516.00 (+4.7%) Homeowner's exemption$645,395 (+4.04%) Land $193,616 Building $451,779
2023$10,044.00 (-0.04%) Homeowner's exemption$620,336 Land $186,099 Building $434,237
2022$10,048.00

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