Contra Costa County property record for 649 Main St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Commercial > Office > Commercial Office |
|---|---|
| Year Built | Built 1948 |
| Square Footage | 5,434 sqft Gross Area |
| Lot Size | 6,400 sqft (0.147 acres) |
| Tax Bill | $8,009.00 (2025) |
| Primary APN | 373-191-012-5 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Rooms |
|---|---|
| Building Area | 5,434 sqft Gross Area |
| 1st Floor | 5,434 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 6,400 sqft (0.147 acres) |
| Street Address | 649 MAIN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1128 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Office > Commercial Office |
| Legal Description | ADDL SURVEY LOT 5 POR LOT 6 BLK 336 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 336 |
| Legal Lot Number | 5,6 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1028 |
| Census Tract | 316000 |
Source: Contra Costa County records · APN 373-191-012-5
Assessment roll updated July 14, 2026 · Last verified July 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 | 100 SOLITUDE PEAK DR, MARTINEZ, CA 94553-6165 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Dec 05, 2003 |
| Transfer Doc | 0000591522 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $592,511 (+2%) Land $142,090 Building $450,421 | |
| 2025 | $8,009.00 (-6.97%) | $580,894 (+4.04%) Land $139,304 Building $441,590 |
| 2023 | $8,609.00 (+14.62%) | $558,340 Land $133,896 Building $424,444 |
| 2022 | $7,511.00 |
649 Main St is in FEMA Zone AO, inside the Special Flood Hazard Area, with indirect wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone AO 1% annual chance, sheet flow 1–3 ft |
|---|---|
| Special Flood Hazard Area | Yes flood insurance required for federally backed mortgages |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 36th percentile of exposed land nationally · 21st in California |
|---|---|
| Wildfire Likelihood | Low — about 1 in 2,500 per year |
| Exposure | Indirect within ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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