Contra Costa County property record for 600 Main St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
|---|---|
| Year Built | Built 1935 |
| Square Footage | 4,768 sqft Gross Area |
| Lot Size | 4,900 sqft (0.113 acres) |
| Last Sale | $865,000 (2010) |
| Tax Bill | $4,142.00 (2025) |
| Primary APN | 373-193-001-6 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Rooms |
|---|---|
| Building Area | 4,768 sqft Gross Area |
| 1st Floor | 4,768 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Lot Area | 4,900 sqft (0.113 acres) |
| Street Address | 600 MAIN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1129 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
| Legal Description | ORIGINAL SURVEY POR LOTS 3 & 4 BLK 20 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 20 |
| Legal Lot Number | 3,4 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1037 |
| Census Tract | 316000 |
Source: Contra Costa County records · APN 373-193-001-6
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 | 77 GRACE ST, SAN FRANCISCO, CA 94103-2683 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 08, 2010 · Amount on Record |
| Deed Sale | Jan 08, 2010 · Amount on Record |
| Deed Doc Number | 20103384 |
| Prior Transfer Date | Nov 20, 2002 |
| Prior Transfer Doc | 0000019401 |
| 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 and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $278,125 (+2%) Land $26,325 Building $251,800 | |
| 2025 | $4,142.00 (+5.05%) | $272,672 (+4.04%) Land $25,809 Building $246,863 |
| 2023 | $3,943.00 (+0.51%) | $262,085 Land $24,807 Building $237,278 |
| 2022 | $3,923.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020
| FEMA Flood Zone | Zone AO sheet flow 1–3 ft |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Moderate 46th percentile nationally · 27th in California |
|---|---|
| Wildfire Likelihood | About 1 in 1,282 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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