Contra Costa County property record for 2421 Monterey Ave, Martinez, CA 94553 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,240 sqft · built 1926 |
| Lot Size | 0.103 acres (4,505 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $160,000 (Oct 2009) |
| Tax Bill | $7,670 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 375-141-018-8 |
| Primary APN | 375-141-018-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,240 sqft Living Area |
| 1st Floor Area | 1,240 sqft |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Roof Material | Tar & Gravel |
| Lot Area | 4,505 sqft (0.103 acres) |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 2421 MONTEREY AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3305 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MARTINEZ LAND #7 LOT 15 BLK 50 |
| Legal Subdivision | MARTINEZ LAND CO TR |
| Legal Tract | 7 |
| Legal Block | 50 |
| Legal Lot Number | 15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-141-018-8
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 2421 MONTEREY AVE, MARTINEZ, CA 94553-3305 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 20, 2009 · Amount on Record |
| Deed Sale | Oct 20, 2009 · Amount on Record |
| Deed Document Number | 2009245190 |
| Last Transfer Date | Sep 24, 2024 |
| Transfer Doc | 0000096313 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| 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 | $574,678 (+2%) Land $437,378 Building $137,300 | |
| 2025 | $7,670.00 (+139.39%) | $563,410 (+183.84%) Land $428,802 Building $134,608 |
| 2023 | $3,204.00 (+3.69%) Homeowner's exemption | $198,497 Land $130,266 Building $68,231 |
| 2022 | $3,090.00 |
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.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures