Contra Costa County property record for 1052 Stoneybrook Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,775 sqft · built 1983 |
| Lot Size | 0.154 acres (6,708 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,914 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 377-255-015-2 |
| Primary APN | 377-255-015-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,775 sqft Living Area |
| 1st Floor Area | 868 sqft |
| 2nd Floor Area | 907 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Cluster |
| Lot Area | 6,708 sqft (0.154 acres) |
| Garage Type | Attached |
| Garage Area | 429 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1052 STONEYBROOK DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4180 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05596 L0091 B |
| Legal Tract | 05596 |
| Legal Lot Number | 91 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 320003 |
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 | 1052 STONEYBROOK DR, MARTINEZ, CA 94553-4180 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| 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 | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $415,789 (+2%) Land $139,814 Building $275,975 | |
| 2025 | $5,914.00 (+7.27%) Homeowner's exemption | $407,637 (+4.04%) Land $137,073 Building $270,564 |
| 2023 | $5,513.00 (+2.84%) Homeowner's exemption | $391,809 Land $131,751 Building $260,058 |
| 2022 | $5,361.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1986) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 403 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Astound Broadband.
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