Contra Costa County property record for 2171 Walnut St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 959 sqft · built 1928 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,309 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 375-054-007-6 |
| Primary APN | 375-054-007-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 959 sqft Living Area |
| 1st Floor Area | 959 sqft |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1932 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 2171 WALNUT ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2743 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MARTINEZ LAND #5 LOT 9 BLK 16 |
| Legal Subdivision | MARTINEZ LAND CO 05 |
| Legal Tract | 5 |
| Legal Block | 16 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-054-007-6
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 | Company Name on File |
|---|---|
| Mailing Address | 2171 WALNUT ST, MARTINEZ, CA 94553-2743 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Sep 01, 2016 |
| Transfer Doc | 0000183676 |
| Record Updated | Sep 20, 2026 |
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 | $1,309.00 (+7.03%) Homeowner's exemption | $43,069 (+4.03%) Land $16,144 Building $26,925 |
| 2023 | $1,223.00 (+1.24%) Homeowner's exemption | $41,399 Land $15,518 Building $25,881 |
| 2022 | $1,208.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 765 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Fiber | 1,500 / 1,500 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon, T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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