Contra Costa County property record for 404 Brown St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 888 sqft · built 1923 |
| Lot Size | 0.069 acres (3,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,466 (2025) |
| Deeds & Mortgages | Aug 2022 Mortgage |
| Flood Zone | Zone AO (high risk) |
| APN | 372-282-001 |
| Primary APN | 372-282-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 888 sqft Living Area |
| 1st Floor Area | 888 sqft |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 3,000 sqft (0.069 acres) |
| Garage Type | Attached |
| Garage Area | 180 sqft |
| Street Address | 404 BROWN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2519 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ORIGINAL SURVEY POR 4 78 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 78 |
| Legal Lot Number | 4 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 318000 |
Source: Contra Costa County records · APN 372-282-001
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 | 404 BROWN ST, MARTINEZ, CA 94553-2519 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jul 21, 2005 |
| Transfer Doc | 0000279140 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 404 BROWN ST, MARTINEZ, CA 94553-2519 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 404 BROWN ST, MARTINEZ, CA 94553-2519 |
| Document Number | 0000129975 |
|---|---|
| Date | Aug 23, 2022 |
| Instrument | 2022-129975 |
| Name | TRAVIS CU |
|---|---|
| Type | Credit Union |
| Address | VACAVILLE, CA 95687 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Sep 01, 2037 |
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 | $43,929 (+2%) Land $16,466 Building $27,463 | |
| 2025 | $1,466.00 (-54.98%) | $43,069 (-79.01%) Land $16,144 Building $26,925 |
| 2023 | $3,256.00 (+1.5%) | $205,179 Land $130,747 Building $74,432 |
| 2022 | $3,208.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133180001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AO sheet flow 1–3 ft |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Flood Insurance Cost | Premium on Record median of 23 individual NFIP policies nearby |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 23 in force |
| Nearby Flood Claims | 12 (1980–2022) |
| Claims Outside the SFHA | 3 of 12 |
| Most Recent Claim | Dec 2022, other causes, Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| Wildfire Risk | Moderate above 54% of the US · above 32% of California |
|---|---|
| Wildfire Likelihood | About 1 in 752 per year |
| Exposure | Indirect within 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, availability as of December 31, 2025 · Published October 2026 · based on 358 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Fiber | 1,500 / 1,500 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T, Unwired, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
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