Contra Costa County property record for 600 E St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1980 |
| Square Footage | 1,197 sqft Living Area |
| Lot Size | 6,050 sqft (0.139 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $580,000 (2017) |
| Tax Bill | $9,649.00 (2025) |
| Primary APN | 370-252-008-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 1,197 sqft Living Area |
| 1st Floor | 1,079 sqft 1st Floor |
| Basement Area | 118 sqft Basement |
| Stories | 1 Stories |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Duplex Single Style |
| Lot Area | 6,050 sqft (0.139 acres) |
| Depth X Width | 121 ft x 50 ft Depth x Width |
| Parking Spaces | 3 Parking Spaces |
| Garage Area | 532 sqft Garage |
| Street Address | 600 E ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3208 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | CASTRO ST EXT POR LOTS 3,4 & 5 BLK 152 |
| Legal Subdivision | CASTRO STREET EXT |
| Legal Block | 152 |
| Legal Lot Number | 3,4,5 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3007 |
| Census Tract | 318000 |
Source: Contra Costa County records · APN 370-252-008-5
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 Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 600 E ST, MARTINEZ, CA 94553-3208 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 14, 2020 | Deed of Trust, Mortgage · Conventional Mortgage GROVES CAP INC |
| Jul 14, 2017 | Grant Deed, Transfer · Conventional Mortgage AMERICAN INTERNET MORTGAGE INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 14, 2017 · Amount on Record |
| Deed Sale | Jul 14, 2017 · Amount on Record |
| Prior Sale | Jul 18, 2003 · Amount on Record |
| Deed Doc Number | 2017126521 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 600 E ST, MARTINEZ, CA 94553-3208 |
| Document Number | 0000323669 |
| Instrument Date | Dec 14, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jan 08, 2021 |
| Title Company | LAWYERS TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 600 E ST MARTINEZ CA 945533208, MARTINEZ, CA 94553-3208 |
| Document Number | 0000323669 |
|---|---|
| Date | Dec 23, 2020 |
| Instrument | 323669 |
| Name | GROVES CAP INC |
|---|---|
| Address | SAN DIEGO, CA 92130 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 22, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 14, 2017 |
| Property Address | 600 E ST, MARTINEZ, CA 94553-3208 |
| Document Number | 0000126521 |
| Map Reference | MB12 PG271 |
| Instrument Date | Jun 30, 2017 |
| Instrument | 2017-126521 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 600 E ST, MARTINEZ, CA 94553-3208 |
| Document Number | 0000126522 |
|---|---|
| Date | Jul 14, 2017 |
| Instrument | 2017-126522 |
| Name | AMERICAN INTERNET MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2047 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $673,134 (+2%) Land $406,202 Building $266,932 | |
| 2025 | $9,649.00 (+17.54%) Homeowner's exemption | $659,937 (+4.04%) Land $398,238 Building $261,699 |
| 2023 | $8,209.00 (+1.66%) Homeowner's exemption | $634,313 Land $382,775 Building $251,538 |
| 2022 | $8,075.00 |
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