Contra Costa County property record for 565 William Way, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 3,557 sqft · built 2022 |
| Lot Size | 0.181 acres (7,862 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,644,500 (Dec 2023) |
| Tax Bill | $24,360 (2025) |
| Deeds & Mortgages | Sep 2025 Mortgage Dec 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-580-047-7 |
| Primary APN | 162-580-047-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,557 sqft Living Area |
| 1st Floor Area | 1,849 sqft |
| 2nd Floor Area | 1,708 sqft |
| Year Built | Built 2022 |
|---|---|
| Effective Year Built | Effective 2022 |
| Lot Area | 7,862 sqft (0.181 acres) |
| Garage Type | Attached |
| Garage Area | 438 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 565 WILLIAM WAY |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4764 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9358 L47 |
| Legal Subdivision | TRADITIONS/THE MDW SUB 9358 |
| Legal Tract | 9358 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 321101 |
Source: Contra Costa County records · APN 162-580-047-7
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 | 565 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Sep 29, 2025 | Deed of Trust, Mortgage · Conventional Mortgage CHEVRON FCU |
| Dec 22, 2023 | Grant Deed, Transfer · Conventional Mortgage CMG MORTGAGE INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 22, 2023 · Amount on Record |
| Deed Sale | Dec 22, 2023 · Amount on Record |
| Deed Document Number | 2023134858 |
| Last Transfer Date | Sep 25, 2024 |
| Transfer Doc | 0000096769 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 565 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Transaction Type | Mortgage |
| Record Updated | Oct 08, 2025 |
| Name | Verified Name |
|---|---|
| Address | 565 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Document Number | 0000101483 |
|---|---|
| Date | Sep 29, 2025 |
| Instrument | 2025- 101483 |
| Name | CHEVRON FCU |
|---|---|
| Type | Credit Union |
| Address | 2300 CLAYTON RD STE 700, CONCORD, CA 94520 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.25% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Oct 01, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 10.2% |
| Index | Other |
| Margin | 3 |
| Max Rate | 10.2% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 22, 2023 |
| Property Address | 565 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Document Number | 0000134858 |
| Map Reference | MB 548 PG 21 |
| Instrument Date | Nov 27, 2023 |
| Instrument | 2023-134858 |
| Transaction Type | Transfer |
| Record Updated | Jan 10, 2024 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 565 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Document Number | 0000134859 |
|---|---|
| Date | Dec 22, 2023 |
| Instrument | 2023-134859 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2054 |
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 | $1,710,937 (+2%) Land $774,577 Building $936,360 | |
| 2025 | $24,360.00 (+69.79%) Homeowner's exemption | $1,677,390 (+81.13%) Land $759,390 Building $918,000 |
| 2023 | $14,347.00 (+673.84%) | $926,066 Land $215,377 Building $710,689 |
| 2022 | $1,854.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133211013, 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 |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 528 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Fiber | 1,500 / 1,500 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures