Contra Costa County property record for 1050 Oak St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,041 sqft · built 1955 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $580,000 (Apr 2019) |
| Tax Bill | $8,635 (2025) |
| Deeds & Mortgages | Jul 2020 Mortgage Apr 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 375-271-002-4 |
| Primary APN | 375-271-002-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,041 sqft Living Area |
| 1st Floor Area | 1,528 sqft |
| Basement Area | 513 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Attached |
| Garage Area | 260 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 1050 OAK ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2815 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | MARTINEZ LAND #4 LOT 2 POR 3 BLK 23 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 23 |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-271-002-4
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1050 OAK ST, MARTINEZ, CA 94553-2815 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jul 14, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage COMMERCE HOME MORTGAGE INC |
| Apr 12, 2019 | Grant Deed, Transfer · Conventional Mortgage COMMERCE MORTGAGE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 12, 2019 · Amount on Record |
| Deed Sale | Apr 12, 2019 · Amount on Record |
| Prior Sale | Jan 23, 2004 · Amount on Record |
| Deed Document Number | 201950831 |
| Prior Transfer Date | May 18, 2009 |
| Prior Transfer Doc | 0000117617 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 14, 2020 |
| Property Address | 1050 OAK ST, MARTINEZ, CA 94553-2815 |
| Document Number | 0000139828 |
| Map Reference | MB 14 PG 288 |
| Instrument Date | Jul 09, 2020 |
| Instrument | 2020-139828 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 1050 OAK ST, MARTINEZ, CA 94553-2815 |
| Document Number | 0000139829 |
|---|---|
| Date | Jul 14, 2020 |
| Instrument | 2020-139829 |
| Name | COMMERCE HOME MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 12, 2019 |
| Property Address | 1050 OAK ST, MARTINEZ, CA 94553-2815 |
| Document Number | 0000050831 |
| Map Reference | MB 14 PG 288 |
| Instrument Date | Apr 04, 2019 |
| Instrument | 2019-050831 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| 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 | Joint Tenants |
| Address | 1050 OAK ST, MARTINEZ, CA 94553-2815 |
| Document Number | 0000050832 |
|---|---|
| Date | Apr 12, 2019 |
| Instrument | 2019-050832 |
| Name | COMMERCE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2049 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| 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 | $659,935 (+2%) Land $405,064 Building $254,871 | |
| 2025 | $8,635.00 (+7.05%) | $646,996 (+4.04%) Land $397,122 Building $249,874 |
| 2023 | $8,066.00 (+2.53%) | $621,874 Land $381,702 Building $240,172 |
| 2022 | $7,867.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Fiber | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile USA, Verizon.
Based on FCC filings for 765 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF MARTINEZ serves 31,015 people |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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