Contra Costa County property record for 391 Donegal Pl, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,362 sqft · built 1966 |
| Lot Size | 0.508 acres (22,125 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,669 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-271-029-5 |
| Primary APN | 164-271-029-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,362 sqft Living Area |
| 1st Floor Area | 1,130 sqft |
| 2nd Floor Area | 1,232 sqft |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Lot Area | 22,125 sqft (0.508 acres) |
| Garage Type | Attached |
| Garage Area | 479 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 391 DONEGAL PL |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6200 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 3302 LOT 79 |
| Legal Subdivision | AMENDED MAP OF SUBDIVISION 3302 |
| Legal Tract | 3302 |
| Legal Lot Number | 79 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 321103 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 391 DONEGAL PL, MARTINEZ, CA 94553-6200 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 20, 2013 |
| Transfer Doc | 0000129913 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $160,760 (+2%) Land $46,901 Building $113,859 | |
| 2025 | $2,669.00 (+4.79%) Homeowner's exemption | $157,609 (+4.04%) Land $45,982 Building $111,627 |
| 2023 | $2,547.00 (+0.87%) Homeowner's exemption | $151,492 Land $44,198 Building $107,294 |
| 2022 | $2,525.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Also Mapped Here | EAST BAY MUD |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 548 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures