Contra Costa County property record for 631 Palm Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 912 sqft · built 1950 |
| Lot Size | 0.14 acres (6,095 sqft) |
| Owner | Individual Name on File |
| Last Sale | $122,000 (Feb 1996) |
| Tax Bill | $3,512 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 376-072-018-9 |
| Primary APN | 376-072-018-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 912 sqft Living Area |
| 1st Floor Area | 912 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 6,095 sqft (0.14 acres) |
| Lot Dimensions | 115 ft deep x 53 ft wide |
| Garage Type | Attached |
| Garage Area | 336 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 631 PALM AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3429 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ALHAMBRA OAKS #1 LOT 52 |
| Legal Subdivision | ALHAMBRA OAKS |
| Legal Lot Number | 52 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 319002 |
631 Palm Ave is owned and occupied by an individual who bought it in February 1996.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 631 PALM AVE, MARTINEZ, CA 94553-3429 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 28, 1996 · Amount on File |
| Deed Sale | Feb 28, 1996 · Amount on File |
| Prior Sale | Feb 28, 1996 |
| Deed Document Number | 199635149 |
| Prior Transfer Date | Feb 21, 1996 |
| Prior Transfer Doc | 0000035148 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 631 Palm Ave was $3,512 with a homeowner's exemption.
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 | $206,698 (+2%) Land $159,267 Building $47,431 | |
| 2025 | $3,512.00 Homeowner's exemption | $202,646 Land $156,145 Building $46,501 |
| 2023 | $3,258.00 (+3.59%) Homeowner's exemption | $194,780 Land $150,083 Building $44,697 |
| 2022 | $3,145.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 631 Palm Ave in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 631 Palm Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 589 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 · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband.
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