Contra Costa County property record for 600 Castro St, Martinez, CA 94553 · Last verified August 2026
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
|---|---|
| Year Built | Built 1915 |
| Square Footage | 6,659 sqft Living Area |
| Lot Size | 5,000 sqft (0.115 acres) |
| Last Sale | $162,750 (2001) |
| Tax Bill | $28,024.00 (2025) |
| Primary APN | 373-223-002-8 |
|---|---|
| Alternative APN |
|
| Total Rooms | 9 Rooms |
|---|---|
| Building Area | 6,659 sqft Living Area |
| 1st Floor | 6,659 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1915 |
| Exterior Material | Stucco Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Flat Roof Construction |
| Lot Area | 5,000 sqft (0.115 acres) |
| Depth X Width | 100 ft x 50 ft Depth x Width |
| Heating System | HVAC Heating |
|---|
| Street Address | 600 CASTRO ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1136 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Description | ORIGINAL SURVEY POR LOTS 1 & 2 BLK 19 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 19 |
| Legal Lot Number | 1,2 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1027 |
| Census Tract | 316000 |
Source: Contra Costa County records · APN 373-223-002-8
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 549 LORING AVE, 3, CROCKETT, CA 94525-1263 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 08, 2001 · Amount on Record |
| Deed Sale | Nov 08, 2001 · Amount on Record |
| Deed Doc Number | 2001344664 |
| Last Transfer Date | Aug 30, 2023 |
| Transfer Doc | 0000090010 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 18, 2023 |
| Property Address | 600 CASTRO ST, MARTINEZ, CA 94553-1136 |
| Document Number | 0000090010 |
| Instrument Date | Aug 30, 2023 |
| Instrument | 2023-090010 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 549 LORING AVE APT 3, 3, CROCKETT, CA 94525-1263 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $1,883,430 (+2%) Land $974,188 Building $909,242 | |
| 2025 | $28,024.00 (+99.47%) | $1,846,501 (+174.18%) Land $955,087 Building $891,414 |
| 2023 | $14,049.00 (-1.08%) | $673,456 Land $202,758 Building $470,698 |
| 2022 | $14,203.00 |
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