Contra Costa County property record for 321 G St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1944 |
| Square Footage | 1,004 sqft Living Area |
| Lot Size | 4,140 sqft (0.095 acres) |
| Garage | Carport, 140 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $3,233.00 (2025) |
| Primary APN | 370-190-010-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,004 sqft Living Area |
| 1st Floor | 1,004 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1944 |
|---|---|
| Effective Year Built | Effective 1944 |
| Architectural Style | Bungalow Style |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Frame Construction |
| Roof Material | Composition Shingle Roof |
| Lot Area | 4,140 sqft (0.095 acres) |
| Depth X Width | 90 ft x 46 ft Depth x Width |
| Garage Type | Carport Garage |
| Garage Area | 140 sqft Garage |
| Carport | Carport |
| Carport Area | 140 sqft Carport |
| Heating System | Floor/Wall Furnace Heating |
|---|---|
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 321 G ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3705 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | ORIGINAL SURVEY POR BLK 124 |
| Legal Subdivision | TOWN MARTINEZ |
| Legal Block | 124 |
| Legal Lot Number | 124 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3014 |
| Census Tract | 318000 |
Source: Contra Costa County records · APN 370-190-010-6
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 | Individual Name on File |
|---|---|
| Mailing Address | 321 G ST, MARTINEZ, CA 94553-3705 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Single Person or Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 25, 2006 |
| Transfer Doc | 0000357414 |
| 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 | 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 | $204,668 (+2%) Land $91,183 Building $113,485 | |
| 2025 | $3,233.00 (+6.56%) Homeowner's exemption | $200,656 (+4.04%) Land $89,396 Building $111,260 |
| 2023 | $3,034.00 (+1.51%) Homeowner's exemption | $192,867 Land $85,926 Building $106,941 |
| 2022 | $2,989.00 |
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
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Wildfire Risk | Moderate 60th percentile nationally · 36th in California |
|---|---|
| Wildfire Likelihood | About 1 in 585 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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