Contra Costa County property record for 6356 Greenridge Ct, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,061 sqft · built 1976 |
| Lot Size | 0.127 acres (5,529 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,526 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-391-013-4 |
| Primary APN | 164-391-013-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,061 sqft Living Area |
| 1st Floor Area | 1,112 sqft |
| 2nd Floor Area | 949 sqft |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Cluster |
| Lot Area | 5,529 sqft (0.127 acres) |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 6356 GREENRIDGE CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6016 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 4784 LOT 13 |
| Legal Subdivision | MAP OF SUBDIVISION 4784 |
| Legal Tract | 4784 |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 321103 |
Source: Contra Costa County records · APN 164-391-013-4
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 | 6356 GREENRIDGE CT, MARTINEZ, CA 94553-6016 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jan 13, 2006 |
| Transfer Doc | 0000015346 |
| 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 | $331,752 (+2%) Land $139,457 Building $192,295 | |
| 2025 | $4,526.00 (+4.41%) Homeowner's exemption | $325,248 (+4.04%) Land $136,723 Building $188,525 |
| 2023 | $4,335.00 (+0.86%) Homeowner's exemption | $312,620 Land $131,415 Building $181,205 |
| 2022 | $4,298.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133211032, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 4 (1995–1998) |
| Claims Outside the SFHA | 1 of 4 |
| Most Recent Claim | Mar 1998, rainfall accumulation, Severe Winter Storms And Flooding |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 132 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
May also be available at this address: T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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