Contra Costa County property record for 439 Roanoke Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,937 sqft · built 1964 |
| Lot Size | 0.305 acres (13,300 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $2,077 (2025) |
| Deeds & Mortgages | Nov 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-232-028-5 |
| Primary APN | 164-232-028-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,937 sqft Living Area |
| 1st Floor Area | 1,226 sqft |
| 2nd Floor Area | 711 sqft |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Lot Area | 13,300 sqft (0.305 acres) |
| Garage Type | Attached |
| Garage Area | 474 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 439 ROANOKE DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6240 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 3001 LOT 63 EX POR MR |
| Legal Subdivision | VIRGIRNIA HILLS |
| Legal Tract | 3001 |
| Legal Lot Number | 63 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 321103 |
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 | 439 ROANOKE DR, MARTINEZ, CA 94553-6240 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 16, 2002 |
| Transfer Doc | 0000137590 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 10, 2020 |
| Property Address | 439 ROANOKE DR, MARTINEZ, CA 94553-6240 |
| Document Number | 0000269382 |
| Instrument Date | Oct 27, 2020 |
| Instrument | 269382 |
| Transaction Type | Transfer |
| Record Updated | Dec 1, 2020 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 439 ROANOKE DR MARTINEZ CA 945536240, MARTINEZ, CA 94553-6240 |
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 | $108,663 (+2%) Land $35,175 Building $73,488 | |
| 2025 | $2,077.00 (+5.11%) Homeowner's exemption | $106,534 (+4.04%) Land $34,486 Building $72,048 |
| 2023 | $1,976.00 (-3.04%) Homeowner's exemption | $102,399 Land $33,148 Building $69,251 |
| 2022 | $2,038.00 |
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 | Moderate above 51% of the US · lower than 70% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 548 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.
5G (outdoors only) and 4G LTE
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