Contra Costa County property record for 855 Shell Ave, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1982 |
| Square Footage | 849 sqft Living Area |
| Lot Size | 4,400 sqft (0.101 acres) |
| Garage | Attached, 275 sqft |
| Last Sale | $210,000 (2009) |
| Tax Bill | $4,202.00 (2025) |
| Primary APN | 375-131-009-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 849 sqft Living Area |
| 1st Floor | 287 sqft 1st Floor |
| 2nd Floor | 562 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1982 |
| Lot Area | 4,400 sqft (0.101 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 275 sqft Garage |
| Street Address | 855 SHELL AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3324 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MARTINEZ LAND #6 POR LOTS 12,14 & 15 BLK 40 |
| Legal Subdivision | MARTINEZ LAND COMPA |
| Legal Tract | 6 |
| Legal Block | 40 |
| Legal Lot Number | 14 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1010 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-131-009-9
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 | 855 SHELL AVE, MARTINEZ, CA 94553-3324 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 25, 2009 · Amount on Record |
| Deed Sale | Aug 25, 2009 · Amount on Record |
| Prior Sale | Apr 04, 1997 · Amount on Record |
| Deed Doc Number | 2009204263 |
| Last Transfer Date | Sep 16, 2016 |
| Transfer Doc | 0000194625 |
| 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 |
| 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 | $276,478 (+2%) Land $164,570 Building $111,908 | |
| 2025 | $4,202.00 (+5.74%) | $271,058 (+4.04%) Land $161,344 Building $109,714 |
| 2023 | $3,974.00 (+3.27%) | $260,534 Land $155,080 Building $105,454 |
| 2022 | $3,848.00 |
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