Contra Costa County property record for 803 Roberts Ct, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,501 sqft · built 1992 |
| Lot Size | 0.505 acres (22,000 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $800,000 (Aug 2011) |
| Tax Bill | $12,698 (2025) |
| Deeds & Mortgages | Oct 2025 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-030-025-9 |
| Primary APN | 162-030-025-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Stories | 1 Story |
| Building Area | 3,501 sqft Living Area |
| 1st Floor Area | 3,501 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 22,000 sqft (0.505 acres) |
| Garage Type | Attached |
| Garage Area | 836 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 803 ROBERTS CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5866 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-20 |
| Legal Description | PCL MAP 146 PG 12 PCL B |
| Legal Subdivision | PM MS554-89 |
| Legal Tract | 146PM12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 321101 |
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 | 803 ROBERTS CT, MARTINEZ, CA 94553-5866 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 5, 2011 · Amount on Record |
| Deed Sale | Aug 5, 2011 · Amount on Record |
| Prior Sale | Apr 8, 2005 · Amount on Record |
| Deed Document Number | 2011155686 |
| Prior Transfer Date | Jun 2, 2002 |
| Prior Transfer Doc | 0000204121 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 14, 2025 |
| Property Address | 803 ROBERTS CT, MARTINEZ, CA 94553-5866 |
| Document Number | 0000107478 |
| Map Reference | MB 146 PG 12 |
| Instrument Date | Oct 8, 2025 |
| Instrument | 2025- 107478 |
| Transaction Type | Transfer |
| Record Updated | Oct 24, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 803 ROBERTS CT, MARTINEZ, CA 94553-5866 |
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 | $1,024,928 (+2%) Land $535,524 Building $489,404 | |
| 2025 | $12,698.00 (+6.49%) Homeowner's exemption | $1,004,832 (+4.04%) Land $525,024 Building $479,808 |
| 2023 | $11,924.00 (+1.71%) Homeowner's exemption | $965,815 Land $504,638 Building $461,177 |
| 2022 | $11,724.00 |
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 | 1 in force |
| Nearby Flood Claims | 1 (1981) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Nov 1981 · rainfall accumulation |
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 | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | None beyond 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 | 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 187 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Astound Broadband.
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