Contra Costa County property record for 541 William Way, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2023 |
| Square Footage | 2,815 sqft Living Area |
| Lot Size | 7,946 sqft (0.182 acres) |
| Garage | Attached, 469 sqft |
| Last Sale | $1,425,500 (2023) |
| Tax Bill | $20,937.00 (2025) |
| Primary APN | 162-580-041 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,815 sqft Living Area |
| 1st Floor | 1,432 sqft 1st Floor |
| 2nd Floor | 1,383 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 2023 |
|---|---|
| Effective Year Built | Effective 2023 |
| Lot Area | 7,946 sqft (0.182 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 469 sqft Garage |
| Street Address | 541 WILLIAM WAY |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4764 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T9358 L41 |
| Legal Subdivision | TRADITIONS/THE MDW SUB 9358 |
| Legal Tract | 9358 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3014 |
| Census Tract | 321101 |
Source: Contra Costa County records · APN 162-580-041
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 | 541 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Feb 10, 2026 | Deed of Trust, Mortgage · Conventional Mortgage E MORTGAGE CAPITAL INC |
| Mar 20, 2024 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 18, 2023 · Amount on Record |
| Deed Sale | Dec 18, 2023 · Amount on Record |
| Deed Doc Number | 2023133319 |
| Last Transfer Date | Feb 06, 2024 |
| Transfer Doc | 0000025551 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 541 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Transaction Type | Mortgage |
| Record Updated | Feb 20, 2026 |
| Name | Verified Name |
|---|---|
| Address | 541 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Document Number | 0000013216 |
|---|---|
| Date | Feb 10, 2026 |
| Instrument | 2026- 013216 |
| Name | E MORTGAGE CAPITAL INC |
|---|---|
| Type | Mortgage Company |
| Address | 3750 S SUSAN ST, SANTA ANA, CA 92704 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2056 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 20, 2024 |
| Property Address | 541 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
| Document Number | 0000025551 |
| Map Reference | MB 548 PG 21 |
| Instrument Date | Feb 06, 2024 |
| Instrument | 2024-025551 |
| Transaction Type | Transfer |
| Record Updated | Apr 01, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 541 WILLIAM WAY, MARTINEZ, CA 94553-4764 |
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 and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,482,778 (+2%) Land $832,320 Building $650,458 | |
| 2025 | $20,937.00 (+284.31%) | $1,453,704 (+574.96%) Land $816,000 Building $637,704 |
| 2023 | $5,448.00 (+193.85%) | $215,377 Land $215,377 |
| 2022 | $1,854.00 |
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