Contra Costa County property record for 307 C St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | Duplex Single |
| Year Built | Built 1932 |
| Square Footage | 2,717 sqft Living Area |
| Lot Size | 7,200 sqft (0.165 acres) |
| Tax Bill | $4,808.00 (2025) |
| Primary APN | 372-191-018-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,717 sqft Living Area |
| 1st Floor | 1,328 sqft 1st Floor |
| Basement Area | 1,389 sqft Basement |
| Stories | 1 Stories |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1932 |
| Architectural Style | Duplex Single Style |
| Exterior Material | Stucco Exterior |
| Roof Material | Composition Shingle Roof |
| Lot Area | 7,200 sqft (0.165 acres) |
| Depth X Width | 120 ft x 60 ft Depth x Width |
| Heating System | Forced Air with Air Conditioning Heating |
|---|---|
| Heating Fuel | Gas Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 307 C ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3137 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | ORIGINAL SURVEY POR LOT 93 |
| Legal Subdivision | ORIGINAL SURVEY |
| Legal Lot Number | 93 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2015 |
| Census Tract | 318000 |
Source: Contra Costa County records · APN 372-191-018-4
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 | 316 CALIFORNIA AVE, RENO, NV 89509-1650 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Single Person or Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | 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 | $281,447 (+2%) Land $121,958 Building $159,489 | |
| 2025 | $4,808.00 (+4.41%) | $275,929 (+4.04%) Land $119,567 Building $156,362 |
| 2023 | $4,605.00 (-0.24%) | $265,217 Land $114,925 Building $150,292 |
| 2022 | $4,616.00 |
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 |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Wildfire Risk | Moderate above 60% of the US · above 36% of California |
|---|---|
| Wildfire Likelihood | About 1 in 610 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures