Contra Costa County property record for 816 Center Ave, Martinez, CA 94553
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,390 sqft · built 1981 |
| Lot Size | 0.023 acres (1,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $323,500 (May 2003) |
| Tax Bill | $6,619 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-500-040-9 |
| Primary APN | 162-500-040-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,390 sqft Living Area |
| 1st Floor Area | 670 sqft |
| 2nd Floor Area | 720 sqft |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Townhouse |
| Exterior Material | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 1,000 sqft (0.023 acres) |
| View / Lot | Woodland |
| Garage Type | Carport |
| Garage Area | 171 sqft |
| Carport | Carport |
| Carport Area | 171 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 816 CENTER AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4641 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | T05890 L0040 B |
| Legal Tract | 05890 |
| Legal Lot Number | 40 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 321101 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 816 CENTER AVE, MARTINEZ, CA 94553-4641 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 20, 2003 · Amount on Record |
| Deed Sale | May 20, 2003 · Amount on Record |
| Deed Document Number | 2003233967 |
| Last Transfer Date | May 23, 2015 |
| Transfer Doc | 0000115970 |
| Record Updated | Oct 29, 2026 |
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 | $477,878 (+2%) Land $177,263 Building $300,615 | |
| 2025 | $6,619.00 (+7.21%) Homeowner's exemption | $468,509 (+4.04%) Land $173,788 Building $294,721 |
| 2023 | $6,174.00 (+2.73%) Homeowner's exemption | $450,319 Land $167,041 Building $283,278 |
| 2022 | $6,010.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1981) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Nov 1981 · rainfall accumulation |
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: 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 | 0.02% 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 239 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 |
May also be available: Astound Broadband, AT&T, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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