Contra Costa County property record for 503 Bartolini St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1958 |
| Square Footage | 2,171 sqft Living Area |
| Lot Size | 9,700 sqft (0.223 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $382,000 (2011) |
| Tax Bill | $5,102.00 (2025) |
| Primary APN | 375-072-011-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 2,171 sqft Living Area |
| 1st Floor | 2,171 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Lot Area | 9,700 sqft (0.223 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 430 sqft Garage |
| Heating System | Central Heating |
|---|
| Street Address | 503 BARTOLINI ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2707 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 2408 4 |
| Legal Subdivision | LASALLE HEIGHTS UNIT #5 |
| Legal Tract | 2408 |
| Legal Lot Number | 4 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1007 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-072-011-6
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 Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 503 BARTOLINI ST, MARTINEZ, CA 94553-2707 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 03, 2011 · Amount on Record |
| Deed Sale | Jan 03, 2011 · Amount on Record |
| Prior Sale | Jun 04, 2010 · Amount on Record |
| Deed Doc Number | 20111149 |
| Prior Transfer Date | Feb 23, 2010 |
| Prior Transfer Doc | 0000041572 |
| 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 | $366,381 (+2%) Land $188,379 Building $178,002 | |
| 2025 | $5,102.00 (+6.51%) Homeowner's exemption | $359,198 (+4.04%) Land $184,686 Building $174,512 |
| 2023 | $4,790.00 (+1.61%) Homeowner's exemption | $345,252 Land $177,515 Building $167,737 |
| 2022 | $4,714.00 |
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