Contra Costa County property record for 944 Corte Diablo, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,922 sqft · built 1991 |
| Lot Size | 1.02 acres (44,518 sqft) |
| Owner | Company Name on File |
| Tax Bill | $13,258 (2025) |
| Deeds & Mortgages | Mar 2020 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 365-352-013-4 |
| Primary APN | 365-352-013-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 2,922 sqft Living Area |
| 1st Floor Area | 1,622 sqft |
| 2nd Floor Area | 1,300 sqft |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Lot Area | 44,518 sqft |
| Garage Type | Attached |
| Garage Area | 564 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 944 CORTE DIABLO |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5952 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 4905 POR LOTS 13 & 14 |
| Legal Tract | 4905 |
| Legal Lot Number | 13,14 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 347000 |
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 | Company Name on File |
|---|---|
| Mailing Address | 944 CORTE DIABLO, MARTINEZ, CA 94553-5952 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Dec 30, 2009 |
| Transfer Doc | 0000001019 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 944 CORTE DIABLO, MARTINEZ, CA 94553-5952 |
| Document Number | 0000068599 |
| Instrument Date | Mar 28, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 14, 2020 |
| Title Company | WFG LENDER SERVICES, WFG LENDER SVCS |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 944 CORTE DIABLO MARTINEZ CA 945535952, MARTINEZ, CA 94553-5952 |
| Document Number | 0000068599 |
|---|---|
| Date | Apr 10, 2020 |
| Instrument | 68599 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | $1,073,640 (+2%) Land $553,582 Building $520,058 | |
| 2025 | $13,258.00 (+6.49%) Homeowner's exemption | $1,052,589 (+4.04%) Land $542,728 Building $509,861 |
| 2023 | $12,450.00 (+1.72%) Homeowner's exemption | $1,011,717 Land $521,654 Building $490,063 |
| 2022 | $12,240.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 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 | High above 77% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 203 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: T-Mobile USA.
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