Contra Costa County property record for 816 Main St, Martinez, CA 94553
| Property Type | Retail Stores (Personal Services, Photography, Travel) |
|---|---|
| Details | 3,102 sqft · built 1960 |
| Lot Size | 0.074 acres (3,201 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,138,000 (Jul 2024) |
| Tax Bill | $14,280 (2025) |
| Deeds & Mortgages | Mar 2022 Mortgage Feb 2022 Sale & Mortgage |
| Flood Zone | Zone AO (high risk) |
| APN | 373-162-003-9 |
| Primary APN | 373-162-003-9 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 3,102 sqft Gross Area |
| 1st Floor Area | 3,102 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 3,201 sqft (0.074 acres) |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 816 MAIN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1226 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
| Legal Description | ADDL SURVEY POR LOT 3 BLK 324 |
| Legal Subdivision | MARTINEZ BL 0324 |
| Legal Block | 324 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1031 |
| Census Tract | 316000 |
Source: Contra Costa County records · APN 373-162-003-9
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 | 816 MAIN ST, MARTINEZ, CA 94553-1226 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Mar 22, 2022 | Deed of Trust, Mortgage · Commercial Mortgage THE MORTGAGE CAPITAL DEVELOPMENT CORP |
| Feb 09, 2022 | Grant Deed, Transfer · Commercial Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 16, 2024 · Amount on Record |
| Deed Sale | Jul 16, 2024 · Amount on Record |
| Prior Sale | Feb 09, 2022 · Amount on Record |
| Deed Document Number | 202467763 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 816 MAIN ST, MARTINEZ, CA 94553-1226 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | TICOR TITLE NATL COM SVCS |
| Name | Verified Name |
|---|---|
| Address | 816 MAIN ST, BRIONES, CA 94553-1226 |
| Document Number | 0000050634 |
|---|---|
| Date | Mar 22, 2022 |
| Instrument | 2022-050634 |
| Name | THE MORTGAGE CAPITAL DEVELOPMENT CORP |
|---|---|
| Type | Mortgage Company |
| Address | OAKLAND, CA 94612 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 09, 2022 |
| Property Address | 816 MAIN ST, MARTINEZ, CA 94553-1226 |
| Document Number | 0000025403 |
| Instrument Date | Feb 03, 2022 |
| Instrument | 2022-025403 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2050 FRANKLIN CANYON RD, MARTINEZ, CA 94553-9603 |
| Document Number | 0000025404 |
|---|---|
| Date | Feb 09, 2022 |
| Instrument | 2022-025404 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Number | 0000025405 |
|---|---|
| Date | Feb 09, 2022 |
| Instrument | 2022-025405 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | CHICAGO, IL 60670 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $1,160,760 (+2%) Land $408,000 Building $752,760 | |
| 2025 | $14,280.00 (+42.97%) | $1,138,000 (+43.96%) Land $400,000 Building $738,000 |
| 2023 | $9,988.00 (+78.23%) | $790,500 Land $306,000 Building $484,500 |
| 2022 | $5,604.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone AO high risk · sheet flow 1–3 ft |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 42 policies |
| Nearby Flood Policies | 42 in force |
| Nearby Flood Claims | 20 (1982–2017) |
| Claims Outside the SFHA | 4 of 20 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect within ember reach |
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Radiate Holdings Fiber · Cable in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 371 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF MARTINEZ serves 31,015 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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