Contra Costa County property record for 540 Webster Dr, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,364 sqft · built 1972 |
| Lot Size | 0.287 acres (12,510 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,970 (2025) |
| Deeds & Mortgages | Oct 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-293-019 |
| Primary APN | 164-293-019 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,364 sqft Living Area |
| 1st Floor Area | 1,364 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1973 |
| Lot Area | 12,510 sqft (0.287 acres) |
| Lot Dimensions | 139 ft deep x 90 ft wide |
| Garage Type | Attached |
| Garage Area | 560 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 540 WEBSTER DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6034 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3469 LOT 6 EX MR |
| Legal Subdivision | SUBDIVISION 3469 |
| Legal Tract | 3469 |
| Legal Lot Number | 6 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 321103 |
Source: Contra Costa County records · APN 164-293-019
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 | Company Name on File |
|---|---|
| Mailing Address | 901 W 8TH ST, BENICIA, CA 94510-2511 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 29, 2019 |
| Property Address | 540 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Document Number | 0000191008 |
| Instrument Date | Oct 08, 2019 |
| Instrument | 191008 |
| Transaction Type | Transfer |
| Record Updated | Nov 06, 2019 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 901 W 8TH ST BENICIA CA 945102511, BENICIA, CA 94510-2511 |
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 | Mount Diablo 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 | $98,942 (+2%) Land $38,465 Building $60,477 | |
| 2025 | $1,970.00 (+5.18%) Homeowner's exemption | $97,003 (+4.04%) Land $37,711 Building $59,292 |
| 2023 | $1,873.00 (+0.92%) Homeowner's exemption | $93,239 Land $36,248 Building $56,991 |
| 2022 | $1,856.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133211032, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 8 individual NFIP policies nearby |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 8 in force 7 of 8 on primary residences |
| Nearby Flood Claims | 4 (1995–1998) |
| Claims Outside the SFHA | 1 of 4 |
| Most Recent Claim | Mar 1998, rainfall accumulation, Severe Winter Storms And Flooding |
| Wildfire Risk | Moderate above 54% of the US · above 32% of California |
|---|---|
| Wildfire Likelihood | About 1 in 775 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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.
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