Contra Costa County property record for 6638 Alhambra Ave, Martinez, CA 94553
| Property Type | Fast Food Restaurant |
|---|---|
| Details | 3,533 sqft · built 1986 |
| Lot Size | 0.71 acres (30,927 sqft) |
| Owner | Company Name on File |
| Tax Bill | $25,372 (2025) |
| Deeds & Mortgages | Oct 2023 Mortgage Dec 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-340-050-8 |
| Primary APN | 164-340-050-8 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 3,533 sqft Gross Area |
| 1st Floor Area | 3,533 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Exterior Material | Brick |
| Construction Type | Frame |
| Roof Type | Gambrel |
| Roof Material | Tile |
| Lot Area | 30,927 sqft (0.71 acres) |
| Lot Dimensions | 155 ft deep x 200 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 6638 ALHAMBRA AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6105 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Fast Food Restaurant |
| Legal Description | PCL MAP 91 PG 50 PCL 1 |
| Legal Subdivision | PARCEL MAP |
| Legal Tract | 91PM50 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 321103 |
6638 Alhambra Ave, a commercial property, is owned by a company.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1547, SAN RAMON, CA 94583-6547 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Oct 31, 2023 | Deed of Trust, Mortgage · Commercial Mortgage HERITAGE BANK OF COMMERCE |
| Dec 13, 2021 | Lease, Transfer ACCOMODATION, ACCOMMODATION |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 6638 ALHAMBRA AVE, MARTINEZ, CA 94553-6105 |
| Transaction Type | Mortgage |
| Record Updated | Nov 9, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TTL CO OAKLAND |
| Name | Verified Name |
|---|---|
| Address | 508 BLACKHAWK CLUB DR, DANVILLE, CA 94506-4514 |
| Document Number | 0000117571 |
|---|---|
| Date | Oct 31, 2023 |
| Instrument | 2023-117571 |
| Name | HERITAGE BANK OF COMMERCE |
|---|---|
| Type | Bank |
| Address | SAN JOSE, CA 95110 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Lease |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 13, 2021 |
| Property Address | 6638 ALHAMBRA AVE, MARTINEZ, CA 94553-6105 |
| Document Number | 0000336797 |
| Map Reference | MB 91 PG 50 |
| Instrument Date | Oct 27, 2021 |
| Instrument | 2021-336797 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | ACCOMODATION, ACCOMMODATION |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | PO BOX 1547, SAN RAMON, CA 94583-6547 |
| Name | Verified Name |
|---|---|
| Address | 2401 UTAH AVE S, SEATTLE, WA 98134-1436 |
The 2025 property tax bill for 6638 Alhambra Ave was $25,372.
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 | $1,885,281 (+2%) Land $672,753 Building $1,212,528 | |
| 2025 | $25,372.00 | $1,848,315 Land $659,562 Building $1,188,753 |
| 2023 | $23,716.00 (-5.23%) | $1,776,545 Land $633,951 Building $1,142,594 |
| 2022 | $25,024.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 6638 Alhambra 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 6638 Alhambra 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 298 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures