Contra Costa County property record for 1050 Sierra Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,795 sqft · built 1958 |
| Lot Size | 0.113 acres (4,928 sqft) |
| Owner | Individual Name on File |
| Last Sale | $580,000 (Sep 2026) |
| Tax Bill | $3,424 (2025) |
| Deeds & Mortgages | Sep 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 375-042-006-3 |
| Primary APN | 375-042-006-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,795 sqft Living Area |
| 1st Floor Area | 1,795 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 4,928 sqft (0.113 acres) |
| Garage Type | Attached |
| Garage Area | 234 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 1050 SIERRA AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2840 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | MARTINEZ LAND #6 13 31 |
| Legal Subdivision | MARTINEZ LAND COMPA |
| Legal Tract | 6 |
| Legal Block | 31 |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 319002 |
1050 Sierra Ave is owned and occupied by an individual who bought it in September 2026.
Source: Contra Costa County records, as of September 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1050 SIERRA AVE, MARTINEZ, CA 94553-2840 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Man |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 3, 2026 · Amount on File |
| Deed Sale | Sep 3, 2026 · Amount on File |
| Prior Sale | Apr 16, 1996 · Amount on File |
| Deed Document Number | 202693354 |
| Prior Transfer Date | Jul 12, 2005 |
| Prior Transfer Doc | 0000264851 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 3, 2026 |
| Property Address | 1050 SIERRA AVE, MARTINEZ, CA 94553-2840 |
| Document Number | 0000093354 |
| Instrument Date | Aug 28, 2026 |
| Instrument | 202693354 |
| Transaction Type | Transfer |
| Record Updated | Sep 9, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $64,438.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1050 SIERRA AVE, MARTINEZ, CA 94553-2840 |
| Document Number | 0000093355, |
|---|---|
| Date | Sep 3, 2026 |
| Instrument | 202693355 |
| Name | BANKERS FINANCIAL MORTGAGE |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Sep 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Initial Type | Fixed Rate |
| Max Rate | -1% |
The 2025 property tax bill for 1050 Sierra Ave was $3,424.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $208,388 (+2%) Land $99,108 Building $109,280 | |
| 2025 | $3,424.00 Homeowner's exemption | $204,303 Land $97,165 Building $107,138 |
| 2023 | $3,170.00 (+3.7%) Homeowner's exemption | $196,372 Land $93,393 Building $102,979 |
| 2022 | $3,057.00 |
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.
FEMA maps place 1050 Sierra Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 1050 Sierra Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| 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 cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 765 locations within half a mile, as of December 31, 2025
| 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 |
| Astound Broadband Fiber | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
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