Contra Costa County property record for 3128 Sycamore St, Martinez, CA 94553
| Property Type | Residential Vacant Land |
|---|---|
| Details | 7 bd · 4 ba · 2,664 sqft · built 1938 |
| Lot Size | 1 acres (43,560 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,700,000 (Feb 2021) |
| Tax Bill | $16,079 (2022) |
| Flood Zone | Zone X (minimal risk) |
| APN | 375-311-001-8 |
| Primary APN | 375-311-001-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 18 Rooms |
| Stories | 1 Story |
| Building Area | 2,664 sqft |
| 1st Floor Area | 2,664 sqft |
| Year Built | Built 1938 |
|---|---|
| Lot Area | 43,560 sqft (1 acres) |
| Garage Area | 584 sqft |
| Account Number | 375-311-001-8 |
|---|---|
| Old Parcel Number | 375-311-001 |
| Street Address | 3128 SYCAMORE ST |
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2958 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | M-29 |
| Legal Description | POR RO LAS JUNTAS |
| Legal Subdivision | RO LAS JUNTAS |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | Oakland-Berkeley-Livermore, CA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 319001 |
3128 Sycamore St, residential vacant land, is owned by a company that acquired it in September 2021.
Source: Contra Costa County records, as of November 2, 2022
| Owner of Record | 2 Company Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 1093 WATERVILLE LAKE RD, CHULA VISTA, CA 91915-1211 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 3 Names on Deed |
|---|---|
| Last Sale | Feb 12, 2021 · Amount on File |
| Deed Sale | Feb 12, 2021 · Amount on File |
| Prior Sale | Sep 17, 2021 |
| Deed Document Number | 0000044793 |
| Record Updated | Jun 7, 2026 |
Source: Contra Costa County assessment roll, as of July 1, 2022
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
FEMA maps place 3128 Sycamore St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 3128 Sycamore St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 567 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
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