Contra Costa County property record for 549 Mount Dell Dr, Clayton, CA 94517
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2 ba · 1,423 sqft · built 1975 |
| Lot Size | 0.048 acres (2,109 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $2,667 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-302-012-8 |
| Primary APN | 119-302-012-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,423 sqft Living Area |
| 1st Floor Area | 1,423 sqft |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Townhouse |
| Lot Area | 2,109 sqft (0.048 acres) |
| Garage Type | Attached |
| Garage Area | 435 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 549 MT DELL DR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1502 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | T04504 L0024 B |
| Legal Tract | 04504 |
| Legal Lot Number | 24 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 355306 |
549 Mount Dell Dr, a townhouse, is held in a trust since October 1994.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 1372 RELIEZ VALLEY RD, LAFAYETTE, CA 94549-2647 |
| Owner Type | Company |
| Vesting | Trust |
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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Oct 18, 1994 |
| Transfer Doc | 0000264319 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 549 Mount Dell Dr was $2,667.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $124,909 (+2%) Land $44,182 Building $80,727 | |
| 2025 | $2,667.00 | $122,461 Land $43,316 Building $79,145 |
| 2023 | $2,510.00 (+2.57%) | $117,708 Land $41,635 Building $76,073 |
| 2022 | $2,447.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 549 Mount Dell Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
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.
Wildfire risk around 549 Mount Dell Dr is high, ranking above 77% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 77% of the US · above 54% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 107 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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