Contra Costa County property record for 1085 Shell Ave, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1971 |
| Square Footage | 2,873 sqft Living Area |
| Lot Size | 5,400 sqft (0.124 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $149,000 (1994) |
| Tax Bill | $7,131.00 (2025) |
| Primary APN | 375-042-010-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Building Area | 2,873 sqft Living Area |
| 1st Floor | 1,576 sqft 1st Floor |
| 2nd Floor | 1,297 sqft 2nd Floor |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1971 |
| Exterior Material | Wood Siding Exterior |
| Roof Material | Composition Shingle Roof |
| Lot Area | 5,400 sqft (0.124 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 419 sqft Garage |
| Deck Area | Deck Area |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Heating Fuel | Gas Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 1085 SHELL AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2855 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MARTINEZ LAND #6 LOT 9 BLK 31 |
| Legal Subdivision | MARTINEZ LAND CO 06 |
| Legal Block | 31 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2017 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-042-010-5
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1085 SHELL AVE, MARTINEZ, CA 94553-2855 |
| 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 | May 17, 1994 · Amount on Record |
| Deed Sale | May 17, 1994 · Amount on Record |
| Deed Doc Number | 1994134287 |
| 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 | $534,780 (+2%) Land $121,687 Building $413,093 | |
| 2025 | $7,131.00 (+7.23%) Homeowner's exemption | $524,295 (+4.04%) Land $119,301 Building $404,994 |
| 2023 | $6,650.00 (+2.7%) Homeowner's exemption | $503,937 Land $114,669 Building $389,268 |
| 2022 | $6,475.00 |
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