Contra Costa County property record for 566 Webster Dr, Martinez, CA 94553 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1990 |
| Square Footage | 1,785 sqft Living Area |
| Lot Size | 6,930 sqft (0.159 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,250,000 (2023) |
| Tax Bill | $15,532.00 (2025) |
| Primary APN | 164-293-014-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,785 sqft Living Area |
| 1st Floor | 945 sqft 1st Floor |
| 2nd Floor | 840 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 6,930 sqft (0.159 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 460 sqft Garage |
| Heating System | Central Heating |
|---|
| Street Address | 566 WEBSTER DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6034 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 3469 LOT 10 EX MR |
| Legal Subdivision | SUBDIVISION 3469 |
| Legal Tract | 3469 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2011 |
| Census Tract | 321103 |
Source: Contra Costa County records · APN 164-293-014-1
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 566 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 16, 2023 | Grant Deed, Transfer · Conventional Mortgage VELLUM MORTGAGE LLC |
| Feb 27, 2023 | Deed of Trust, Mortgage · Line of Credit HERITAGE BANK OF COMMERCE |
| Sep 13, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 16, 2023 · Amount on Record |
| Deed Sale | Jun 16, 2023 · Amount on Record |
| Prior Sale | Feb 19, 2016 · Amount on Record |
| Deed Doc Number | 202357698 |
| Prior Transfer Date | Aug 15, 2003 |
| Prior Transfer Doc | 0000412828 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 16, 2023 |
| Property Address | 566 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Document Number | 0000057698 |
| Map Reference | MB 109 PG 45 |
| Instrument Date | Jun 07, 2023 |
| Instrument | 2023-057698 |
| Transaction Type | Transfer |
| Record Updated | Jun 27, 2023 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 566 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Document Number | 0000057699 |
|---|---|
| Date | Jun 16, 2023 |
| Instrument | 2023-057699 |
| Name | VELLUM MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 566 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Transaction Type | Mortgage |
| Record Updated | Mar 08, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TTL CO OAKLAND |
| Name | Verified Name |
|---|---|
| Address | 566 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Document Number | 0000017763 |
|---|---|
| Date | Feb 27, 2023 |
| Instrument | 2023-017763 |
| Name | HERITAGE BANK OF COMMERCE |
|---|---|
| Type | Bank |
| Address | SAN JOSE, CA 95110 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 566 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 566 WEBSTER DR, MARTINEZ, CA 94553-6034 |
| Document Number | 0000254798 |
|---|---|
| Date | Sep 13, 2021 |
| Instrument | 2021-254798 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2051 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $1,326,509 (+2%) Land $955,087 Building $371,422 | |
| 2025 | $15,532.00 (+48.14%) | $1,300,500 (+52.4%) Land $936,360 Building $364,140 |
| 2023 | $10,485.00 (+0.84%) | $853,366 (+2%) Land $565,271 Building $288,095 |
| 2022 | $10,398.00 | $836,635 Land $554,188 Building $282,447 |
566 Webster Dr is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Moderate 54th percentile of exposed land nationally · 32nd in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 775 per year |
| Exposure | Indirect within ember reach of burnable land · adjoins burnable vegetation |
Values are read at the parcel center point; lenders make the official flood determination.
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