Contra Costa County property record for 920 Main St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Commercial > Office > Commercial Office |
|---|---|
| Year Built | Built 1937 |
| Square Footage | 5,400 sqft Gross Area |
| Lot Size | 4,625 sqft (0.106 acres) |
| Last Sale | $83,000 (2007) |
| Tax Bill | $5,124.00 (2025) |
| Primary APN | 373-266-003-4 |
|---|---|
| Alternative APN |
|
| Total Rooms | 2 Rooms |
|---|---|
| Building Area | 5,400 sqft Gross Area |
| 1st Floor | 5,400 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 1937 |
| Lot Area | 4,625 sqft (0.106 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 920 MAIN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Office > Commercial Office |
| Legal Description | ADDL SURVEY MTZ POR BLK 328 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 328 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1032 |
| Census Tract | 316000 |
Source: Contra Costa County records · APN 373-266-003-4
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 | Individual Name on File |
|---|---|
| Mailing Address | 928 MAIN ST, MARTINEZ, CA 94553-1228 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 31, 2007 · Amount on Record |
| Deed Sale | Jan 31, 2007 · Amount on Record |
| Prior Sale | Feb 24, 2006 · Amount on Record |
| Deed Doc Number | 200731006 |
| Last Transfer Date | Dec 10, 2018 |
| Transfer Doc | 0000103074 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 05, 2019 |
| Property Address | 920 MAIN ST, MARTINEZ, CA 94553 |
| Document Number | 0000103074 |
| Instrument Date | Dec 10, 2018 |
| Instrument | 103074 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 48 GARFIELD LN NAPA CA 945582405, NAPA, CA 94558-2405 |
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 | $364,583 (+2%) Land $75,390 Building $289,193 | |
| 2025 | $5,124.00 (+2.69%) | $357,435 (+4.04%) Land $73,912 Building $283,523 |
| 2023 | $4,990.00 (+3.36%) | $343,557 Land $71,043 Building $272,514 |
| 2022 | $4,828.00 |
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