Contra Costa County property record for 611 Walnut Ave, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1952 |
| Square Footage | 1,776 sqft Living Area |
| Lot Size | 10,890 sqft (0.25 acres) |
| Garage | Detached, 400 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $3,818.00 (2025) |
Source: Contra Costa County records · APN 370-291-008-8
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 611 WALNUT AVE, MARTINEZ, CA 94553-3934 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jul 31, 2003 |
| Transfer Doc | 0000394031 |
| Record Refreshed | Sep 20, 2026 |
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 | $254,791 (+2%) Land $86,991 Building $167,800 | |
| 2025 | $3,818.00 (+6.53%) Homeowner's exemption | $249,796 (+4.04%) Land $85,286 Building $164,510 |
| 2023 | $3,584.00 (+1.56%) Homeowner's exemption | $240,098 Land $81,975 Building $158,123 |
| 2022 | $3,529.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone AO sheet flow 1–3 ft |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Moderate above 44% of the US · above 26% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,471 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 370-291-008-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,776 sqft Living Area |
| 1st Floor | 1,776 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Concrete Construction |
| Roof Material | Wood Shingle Roof |
| Lot Area | 10,890 sqft (0.25 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 400 sqft Garage |
| Heating System | Forced Air with Air Conditioning Heating |
|---|---|
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 611 WALNUT AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3934 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | POR RO EL PINOLE |
| Legal Subdivision | EL PINOLE RHO |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3017 |
| Census Tract | 318000 |
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