Contra Costa County property record for 121 Rubicon Ct, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,292 sqft · built 1972 |
| Lot Size | 0.262 acres (11,410 sqft) |
| Owner | Company Name on File |
| Tax Bill | $5,042 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-272-005-2 |
| Primary APN | 155-272-005-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,292 sqft Living Area |
| 1st Floor Area | 1,292 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1973 |
| Lot Area | 11,410 sqft (0.262 acres) |
| View / Lot | Canal |
| Garage Type | Attached |
| Garage Area | 470 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 121 RUBICON CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5033 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T03704 L0020 B |
| Legal Tract | 03704 |
| Legal Lot Number | 20 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 321101 |
Source: Contra Costa County records · APN 155-272-005-2
Assessment roll updated July 14, 2026 · Last verified July 2026
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| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 121 RUBICON CT, MARTINEZ, CA 94553-5033 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Sep 26, 2002 |
| Transfer Doc | 0000347719 |
| Record Updated | 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 | $378,768 (+2%) Land $180,366 Building $198,402 | |
| 2025 | $5,042.00 (+4.35%) Homeowner's exemption | $371,342 (+4.04%) Land $176,830 Building $194,512 |
| 2023 | $4,832.00 (+0.86%) Homeowner's exemption | $356,924 Land $169,964 Building $186,960 |
| 2022 | $4,791.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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