Contra Costa County property record for 345 Donegal Way, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 2.5 ba · 2,381 sqft · built 1966 |
| Lot Size | 0.209 acres (9,100 sqft) |
| Owner | Individual Name on File |
| Last Sale | $450,000 (Aug 2002) |
| Tax Bill | $8,544 (2025) |
| Deeds & Mortgages | May 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-271-022 |
| Primary APN | 164-271-022 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,381 sqft Living Area |
| 1st Floor Area | 1,061 sqft |
| 2nd Floor Area | 1,320 sqft |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Lot Area | 9,100 sqft (0.209 acres) |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 345 DONEGAL WAY |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6217 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R75 |
| Legal Description | TRACT 3302 LOT 72 |
| Legal Subdivision | SUBDIVISION 3302 |
| Legal Tract | 3302 |
| Legal Lot Number | 72 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 321103 |
345 Donegal Way is owned and occupied by an individual who acquired it in November 2005.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 345 DONEGAL WAY, MARTINEZ, CA 94553-6217 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 9, 2002 · Amount on File |
| Deed Sale | Aug 9, 2002 · Amount on File |
| Prior Sale | Mar 28, 1997 · Amount on File |
| Deed Document Number | 2002278453 |
| Last Transfer Date | Nov 3, 2005 |
| Transfer Doc | 0000436877 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 345 DONEGAL WAY, MARTINEZ, CA 94553-6217 |
| Transaction Type | Mortgage |
| Record Updated | May 18, 2023 |
| Title Company | AMERICAN SW TITLE, AMERICAN COAST TITLE |
| Name | Verified Name |
|---|---|
| Address | 345 DONEGAL WAY, BRIONES, CA 94553-6217 |
| Document Number | 0000042961 |
|---|---|
| Date | May 9, 2023 |
| Instrument | 2023-042961 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92618 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2053 |
The 2025 property tax bill for 345 Donegal Way was $8,544 with a homeowner's exemption.
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 | $697,558 (+2%) Land $442,588 Building $254,970 | |
| 2025 | $8,544.00 Homeowner's exemption | $683,881 Land $433,910 Building $249,971 |
| 2023 | $8,206.00 (+0.86%) Homeowner's exemption | $657,326 Land $417,061 Building $240,265 |
| 2022 | $8,136.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 345 Donegal Way in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 345 Donegal Way is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.
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 |
| 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
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