Contra Costa County property record for 143 Stonehurst Ct, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 4,045 sqft · built 1997 |
| Lot Size | 1.57 acres (68,800 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $2,700,000 (May 2025) |
| Tax Bill | $25,660 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 367-220-014-8 |
| Primary APN | 367-220-014-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 4,045 sqft Living Area |
| 1st Floor Area | 2,365 sqft |
| 2nd Floor Area | 1,680 sqft |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 2003 |
| Lot Area | 68,800 sqft |
| Garage Type | Attached |
| Garage Area | 816 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 143 STONEHURST CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-9649 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T7091 L38 |
| Legal Subdivision | SUBDIVISION 7091 |
| Legal Tract | 7091 |
| Legal Lot Number | 38 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | BRIONES |
| Census Block Group | 1 |
| Census Block | 1062 |
| Census Tract | 356002 |
Source: Contra Costa County records, 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 Company Names on Record |
|---|---|
| Mailing Address | 143 STONEHURST CT, MARTINEZ, CA 94553-9649 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 15, 2025 · Amount on Record |
| Deed Sale | May 15, 2025 · Amount on Record |
| Prior Sale | May 15, 2008 · Amount on Record |
| Deed Document Number | 202547972 |
| Prior Transfer Date | May 12, 2008 |
| Prior Transfer Doc | 0000107661 |
| 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 | $2,754,000 (+40.08%) Land $1,224,000 Building $1,530,000 | |
| 2025 | $25,660.00 (-0.95%) Homeowner's exemption | $1,966,000 (-3.34%) Land $390,690 Building $1,575,310 |
| 2023 | $25,907.00 (-6.85%) Homeowner's exemption | $2,034,000 Land $404,203 Building $1,629,797 |
| 2022 | $27,811.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 1 (2023) |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 | High above 77% of the US · above 54% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation |
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 | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 47 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 |
4G LTE only, no 5G reported
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