Contra Costa County property record for 570 Webster Dr, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1973 |
| Square Footage | 1,710 sqft Living Area |
| Lot Size | 10,450 sqft (0.24 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $450,000 (2008) |
| Tax Bill | $7,404.00 (2025) |
| Primary APN | 164-293-013-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,710 sqft Living Area |
| 1st Floor | 986 sqft 1st Floor |
| 2nd Floor | 724 sqft 2nd Floor |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1973 |
| Lot Area | 10,450 sqft (0.24 acres) |
| Depth X Width | 100 ft x 95 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 502 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Street Address | 570 WEBSTER DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6034 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 3469 LOT 11 EX MR |
| Legal Subdivision | DEER RUN UNIT 14 B |
| Legal Tract | 3469 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2011 |
| Census Tract | 321103 |
Source: Contra Costa County records · APN 164-293-013-3
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 | 570 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 23, 2008 · Amount on Record |
| Deed Sale | Dec 23, 2008 · Amount on Record |
| Prior Sale | Feb 16, 2005 · Amount on Record |
| Deed Doc Number | 2008273740 |
| Last Transfer Date | Sep 03, 2010 |
| Transfer Doc | 0000194388 |
| 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 | Mount Diablo 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 | $593,693 (+2%) Land $407,180 Building $186,513 | |
| 2025 | $7,404.00 (+4.16%) Homeowner's exemption | $582,053 (+4.04%) Land $399,197 Building $182,856 |
| 2023 | $7,108.00 (+0.87%) Homeowner's exemption | $559,453 Land $383,697 Building $175,756 |
| 2022 | $7,047.00 |
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