Contra Costa County property record for 5052 Gloucester Ln, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,816 sqft · built 1989 |
| Lot Size | 0.13 acres (5,676 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $384,000 (Apr 2002) |
| Tax Bill | $7,481 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-420-053-1 |
| Primary APN | 161-420-053-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,816 sqft Living Area |
| 1st Floor Area | 858 sqft |
| 2nd Floor Area | 958 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | Cluster |
| Roof Material | Tile |
| Lot Area | 5,676 sqft (0.13 acres) |
| Garage Type | Attached |
| Garage Area | 434 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5052 GLOUCESTER LN |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4373 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6842 L6 |
| Legal Tract | 6842 |
| Legal Lot Number | 6 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4019 |
| Census Tract | 320004 |
Source: Contra Costa County assessment roll, as of July 14, 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 | 5052 GLOUCESTER LN, MARTINEZ, CA 94553-4373 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 19, 2002 · Amount on Record |
| Deed Sale | Apr 19, 2002 · Amount on Record |
| Prior Sale | Dec 21, 1995 · Amount on Record |
| Deed Document Number | 2002138829 |
| Last Transfer Date | Sep 16, 2014 |
| Transfer Doc | 0000163173 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $578,610 (+2%) Land $263,689 Building $314,921 | |
| 2025 | $7,481.00 (+4.82%) Homeowner's exemption | $567,266 (+4.04%) Land $258,519 Building $308,747 |
| 2023 | $7,137.00 (+1.8%) Homeowner's exemption | $545,240 Land $248,481 Building $296,759 |
| 2022 | $7,011.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 454 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: AT&T, Radiate Holdings, Verizon.
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