Contra Costa County property record for 904 Brown St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,055 sqft · built 1930 |
| Lot Size | 0.107 acres (4,664 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $555,000 (Jul 2015) |
| Tax Bill | $8,697 (2025) |
| Deeds & Mortgages | Jul 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 374-134-002-4 |
| Primary APN | 374-134-002-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,055 sqft Living Area |
| 1st Floor Area | 1,240 sqft |
| Basement Area | 815 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 4,664 sqft (0.107 acres) |
| Garage Type | Attached |
| Garage Area | 388 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 904 BROWN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2573 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LA SALLE HEIGHTS #2 POR 59 |
| Legal Subdivision | LA SALLE HEIGHTS 02 |
| Legal Lot Number | 59 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 319002 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 904 BROWN ST, MARTINEZ, CA 94553-2573 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 31, 2015 · Amount on Record |
| Deed Sale | Jul 31, 2015 · Amount on Record |
| Prior Sale | Oct 4, 2013 · Amount on Record |
| Deed Document Number | 2015159295 |
| Prior Transfer Date | Oct 21, 1998 |
| Prior Transfer Doc | 0000260854 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 904 BROWN ST, MARTINEZ, CA 94553-2573 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0000155595 |
|---|---|
| Date | Jul 29, 2020 |
| Instrument | 2020-155595 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Jun 1, 2050 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $679,688 (+2%) Land $340,744 Building $338,944 | |
| 2025 | $8,697.00 (+7.88%) Homeowner's exemption | $666,362 (+5.52%) Land $334,063 Building $332,299 |
| 2023 | $8,062.00 (+1.69%) Homeowner's exemption | $631,489 Land $321,092 Building $310,397 |
| 2022 | $7,928.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AO, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| 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 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 853 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Unwired.
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