Contra Costa County property record for 641 E St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1956 |
| Square Footage | 931 sqft Living Area |
| Lot Size | 4,000 sqft (0.092 acres) |
| Garage | Attached, 276 sqft |
| Tax Bill | $3,082.00 (2025) |
| Primary APN | 370-243-014-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 931 sqft Living Area |
| 1st Floor | 931 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Lot Area | 4,000 sqft (0.092 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 276 sqft Garage |
| Street Address | 641 E ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3207 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | CASTRO ST EXT LOT 9 BLK 182 |
| Legal Subdivision | CASTRO STREET EXT |
| Legal Block | 182 |
| Legal Lot Number | 9 |
| 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 370-243-014-5
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 | Company Name on File |
|---|---|
| Mailing Address | 641 E ST, MARTINEZ, CA 94553-3207 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Feb 07, 2012 |
| Transfer Doc | 0000030611 |
| Record Refreshed | Sep 20, 2026 |
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 | $190,884 (+2%) Land $85,284 Building $105,600 | |
| 2025 | $3,082.00 (+6.61%) | $187,142 (+4.04%) Land $83,612 Building $103,530 |
| 2023 | $2,891.00 (+1.51%) | $179,876 Land $80,366 Building $99,510 |
| 2022 | $2,848.00 |
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