Contra Costa County property record for 829 Shell Ave, 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 | 1,176 sqft Living Area |
| Lot Size | 4,940 sqft (0.113 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $100,000 (2005) |
| Tax Bill | $7,118.00 (2025) |
| Primary APN | 375-131-004 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,176 sqft Living Area |
| 1st Floor | 1,176 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Lot Area | 4,940 sqft (0.113 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 280 sqft Garage |
| Street Address | 829 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 6 & 7 BLK 40 |
| Legal Subdivision | MARTINEZ LAND CO 06 |
| Legal Tract | 6 |
| Legal Block | 40 |
| Legal Lot Number | 6,7 |
| 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 375-131-004
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 | 829 SHELL AVE, MARTINEZ, CA 94553-3324 |
| 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 | Nov 23, 2005 · Amount on Record |
| Deed Sale | Nov 23, 2005 · Amount on Record |
| Deed Doc Number | 2005455618 |
| Last Transfer Date | Dec 26, 2007 |
| Transfer Doc | 0000351060 |
| 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 | $527,008 (+2%) Land $270,696 Building $256,312 | |
| 2025 | $7,118.00 (+7.18%) | $516,676 (+4.04%) Land $265,389 Building $251,287 |
| 2023 | $6,641.00 (+2.69%) | $496,615 Land $255,085 Building $241,530 |
| 2022 | $6,467.00 |
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