Contra Costa County property record for 5812 Alhambra Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 3.5 ba · 2,446 sqft · built 2010 |
| Lot Size | 1 acre (43,603 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $9,051 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 366-150-031-8 |
| Primary APN | 366-150-031-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,446 sqft Living Area |
| 1st Floor Area | 2,446 sqft |
| Year Built | Built 2010 |
|---|---|
| Effective Year Built | Effective 2011 |
| Lot Area | 43,603 sqft |
| Garage Type | Attached |
| Garage Area | 660 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5812 ALHAMBRA AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5703 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T205PM35 PCL B |
| Legal Tract | 205PM35 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 321103 |
5812 Alhambra Ave is owner-occupied and held in a trust.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 5812 ALHAMBRA AVE, MARTINEZ, CA 94553-5703 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 5812 Alhambra Ave was $9,051 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 | $708,352 (+2%) Land $19,456 Building $688,896 | |
| 2025 | $9,051.00 Homeowner's exemption | $694,464 Land $19,075 Building $675,389 |
| 2023 | $8,498.00 (+1.69%) Homeowner's exemption | $667,499 Land $18,335 Building $649,164 |
| 2022 | $8,357.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5812 Alhambra Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1995.
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 | 8 in force |
| Nearby Flood Claims | 4 (1995–1998) |
| Claims Outside the SFHA | 1 of 4 |
| Most Recent Claim | Mar 1998 · Severe Winter Storms And 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.
Wildfire risk around 5812 Alhambra Ave is high, ranking above 71% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 71% of the US · above 46% of California |
|---|---|
| Wildfire Likelihood | 0.3% 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 371 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 Fixed Wireless · DSL | 100 / 20 |
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