Contra Costa County property record for 403 Berrellesa St, Martinez, CA 94553
| Property Type | Recreational Vacant Land |
|---|---|
| Details | 6 bd · 2 ba · 2,756 sqft · built 1912 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $1,956 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 373-232-001-9 |
| Primary APN | 373-232-001-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 13 Rooms |
| Building Area | 2,756 sqft Living Area |
| 1st Floor Area | 1,384 sqft |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1912 |
| Lot Area | 10,000 sqft (0.23 acres) |
| Street Address | 403 BERRELLESA ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1013 |
| Property Category | Public Works |
| Property Type | Public Works > Recreational Vacant Land |
| Legal Description | ORIGINAL SURVEY LOTS 3 & 4 BLK 9 |
| Legal Subdivision | TOWN MARTINEZ |
| Legal Block | 9 |
| Legal Lot Number | 3,4 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1024 |
| Census Tract | 316000 |
Source: Contra Costa County assessment roll, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 410611, SAN FRANCISCO, CA 94141-0611 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jun 13, 2013 |
| Transfer Doc | 0000160543 |
| Record Updated | Sep 20, 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 | $46,181 (+2%) Land $46,181 | |
| 2025 | $1,956.00 (+1.98%) | $45,276 (+4.04%) Land $45,276 |
| 2023 | $1,918.00 (-2.79%) | $43,519 Land $43,519 |
| 2022 | $1,973.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AO, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 |
|
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 | Moderate above 58% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
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 371 locations within half a mile, as of December 31, 2025
| 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures