Contra Costa County property record for 105 Main St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,163 sqft · built 1927 |
| Lot Size | 0.12 acres (5,227 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,602 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 372-080-011-3 |
| Primary APN | 372-080-011-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,163 sqft Living Area |
| 1st Floor Area | 1,163 sqft |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 1927 |
| Lot Area | 5,227 sqft (0.12 acres) |
| Garage Type | Attached |
| Garage Area | 323 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 105 MAIN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1518 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | POR RO EL PINOLE |
| Legal Subdivision | RO EL PINOLE |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 318000 |
Source: Contra Costa County records · APN 372-080-011-3
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 | 105 MAIN ST, MARTINEZ, CA 94553-1518 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 | $54,942 (+2%) Land $21,970 Building $32,972 | |
| 2025 | $1,602.00 (+6.3%) | $53,866 (+4.04%) Land $21,540 Building $32,326 |
| 2023 | $1,507.00 (+1.21%) | $51,776 Land $20,704 Building $31,072 |
| 2022 | $1,489.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133180002, 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 X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 5 (1982–2017) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Jan 2017, rainfall accumulation, Severe Winter Storms, Flooding, And Mudslides |
| Wildfire Risk | Moderate above 69% of the US · above 43% of California |
|---|---|
| Wildfire Likelihood | About 1 in 402 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 348 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 | DSL | 100 / 20 |
May also be available at this address: Unwired, AT&T, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
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