Contra Costa County property record for 1135 Brown St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,276 sqft · built 1928 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $715,000 (Aug 2022) |
| Tax Bill | $9,610 (2025) |
| Deeds & Mortgages | Aug 2022 Sale & Mortgage May 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 374-132-012-5 |
| Primary APN | 374-132-012-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,276 sqft Living Area |
| 1st Floor Area | 1,276 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 4,500 sqft (0.103 acres) |
| Lot Dimensions | 100 ft deep x 45 ft wide |
| Garage Type | Detached |
| Garage Area | 314 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Floor/Wall Furnace |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1135 BROWN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1918 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LA SALLE HGTS #1 LOT 18 |
| Legal Subdivision | LA SALLE HEIGHTS 01 |
| Legal Lot Number | 18 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 317000 |
Source: Contra Costa County records · APN 374-132-012-5
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 | 1135 BROWN ST, MARTINEZ, CA 94553-1918 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Aug 19, 2022 | Grant Deed, Transfer · Conventional Mortgage THE GOLDEN 1 CU |
| May 14, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT CU |
| Mar 01, 2019 | Grant Deed, Transfer · Conventional Mortgage SUMMIT FUNDING INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 19, 2022 · Amount on Record |
| Deed Sale | Aug 19, 2022 · Amount on Record |
| Prior Sale | Mar 01, 2019 · Amount on Record |
| Deed Document Number | 2022128972 |
| Prior Transfer Date | May 30, 2001 |
| Prior Transfer Doc | 0000151934 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 19, 2022 |
| Property Address | 1135 BROWN ST, MARTINEZ, CA 94553-1918 |
| Document Number | 0000128972 |
| Map Reference | MB 20 PG 560 |
| Instrument Date | Aug 17, 2022 |
| Instrument | 2022-128972 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| 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 | Joint Tenants |
| Address | 1135 BROWN ST, MARTINEZ, CA 94553-1918 |
| Document Number | 0000128973 |
|---|---|
| Date | Aug 19, 2022 |
| Instrument | 2022-128973 |
| Name | THE GOLDEN 1 CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
| Type Change Date | Sep 01, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 9.75% |
| Index | Other |
| Max Rate | 9.75% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1135 BROWN ST, MARTINEZ, CA 94553-1918 |
| Document Number | 0000095688 |
| Instrument Date | May 14, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 28, 2020 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 1135 BROWN ST MARTINEZ CA 945531918, MARTINEZ, CA 94553-1918 |
| Document Number | 0000095688 |
|---|---|
| Date | May 20, 2020 |
| Instrument | 95688 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 19, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 01, 2019 |
| Property Address | 1135 BROWN ST, MARTINEZ, CA 94553-1918 |
| Document Number | 0000028134 |
| Map Reference | MB 20 PG 560 |
| Instrument Date | Feb 26, 2019 |
| Instrument | 2019-028134 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | 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 | 1135 BROWN ST, MARTINEZ, CA 94553-1918 |
| Document Number | 0000028135 |
|---|---|
| Date | Mar 01, 2019 |
| Instrument | 2019-028135 |
| Name | SUMMIT FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 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 |
| 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 | $758,763 (+2%) Land $588,970 Building $169,793 | |
| 2025 | $9,610.00 (+6.51%) Homeowner's exemption | $743,886 (+4.04%) Land $577,422 Building $166,464 |
| 2023 | $9,023.00 (+24.66%) Homeowner's exemption | $715,000 Land $555,000 Building $160,000 |
| 2022 | $7,238.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 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 |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (2006) |
| Most Recent Claim | Mar 2006 · rainfall accumulation |
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| 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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Unwired.
Based on FCC filings for 853 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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