Contra Costa County property record for 3420 Geneva St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 975 sqft · built 1944 |
| Lot Size | 0.12 acres (5,227 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $255,000 (Feb 2010) |
| Tax Bill | $4,752 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 370-181-008-1 |
| Primary APN | 370-181-008-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 975 sqft Living Area |
| 1st Floor Area | 975 sqft |
| Year Built | Built 1944 |
|---|---|
| Effective Year Built | Effective 1944 |
| Lot Area | 5,227 sqft (0.12 acres) |
| Garage Type | Attached |
| Garage Area | 308 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 3420 GENEVA ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3765 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | POR RO EL PINOLE |
| Legal Subdivision | EL PINOLE RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 318000 |
3420 Geneva St is owned and occupied by two individuals who bought it in February 2010.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 3420 GENEVA ST, MARTINEZ, CA 94553-3765 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 9, 2010 · Amount on File |
| Deed Sale | Feb 9, 2010 · Amount on File |
| Prior Sale | Sep 14, 2009 · Amount on File |
| Deed Document Number | 201026328 |
| Prior Transfer Date | Feb 15, 1996 |
| Prior Transfer Doc | 0000036306 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3420 Geneva St was $4,752 with a homeowner's exemption.
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 | $421,724 (+28.13%) Land $287,411 Building $134,313 | |
| 2025 | $4,752.00 Homeowner's exemption | $329,142 Land $281,776 Building $47,366 |
| 2023 | $4,461.00 (+1.59%) Homeowner's exemption | $316,363 Land $270,835 Building $45,528 |
| 2022 | $4,391.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3420 Geneva St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1982.
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 | 3 in force |
| Nearby Flood Claims | 5 (1982–2017) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
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.
Wildfire risk around 3420 Geneva St is high, ranking above 74% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 74% of the US · above 49% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 335 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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