Contra Costa County property record for 538 Mount Dell Dr, Clayton, CA 94517
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2 ba · 1,658 sqft · built 1975 |
| Lot Size | 0.069 acres (3,016 sqft) |
| Owner | Company Name on Record |
| Last Sale | $454,500 (Dec 2014) |
| Tax Bill | $7,198 (2025) |
| Deeds & Mortgages | Apr 2023 Line of Credit Dec 2017 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-301-006-1 |
| Primary APN | 119-301-006-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,658 sqft Living Area |
| Gross Area | 2,094 sqft |
| 1st Floor Area | 1,658 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 3,016 sqft (0.069 acres) |
| Garage Type | Attached |
| Garage Area | 436 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 538 MT DELL DR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1503 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | T04504 L0016 B |
| Legal Subdivision | SUBDIVISION 4504 |
| Legal Tract | 04504 |
| Legal Lot Number | 16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 355306 |
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 | 538 MT DELL DR, CLAYTON, CA 94517-1503 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 25, 2023 | Deed of Trust, Mortgage · Line of Credit KAIPERM FCU |
| Dec 28, 2017 | Deed of Trust, Mortgage · Conventional Mortgage SUNTRUST MORTGAGE INC |
| Jul 29, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 11, 2014 · Amount on Record |
| Deed Sale | Dec 11, 2014 · Amount on Record |
| Deed Document Number | 2014220000 |
| Last Transfer Date | Jul 23, 2019 |
| Transfer Doc | 0000117328 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 538 MT DELL DR, CLAYTON, CA 94517-1503 |
| Transaction Type | Mortgage |
| Record Updated | May 4, 2023 |
| Title Company | ACCOMODATION, ACCOMMODATION |
| Name | Verified Name |
|---|---|
| Address | 538 MT DELL DR, CLAYTON, CA 94517-1503 |
| Document Number | 0000038071 |
|---|---|
| Date | Apr 25, 2023 |
| Instrument | 2023-038071 |
| Name | KAIPERM FCU |
|---|---|
| Type | Credit Union |
| Address | WALNUT CREEK, CA 94598 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Apr 28, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 538 MT DELL DR, CLAYTON, CA 94517-1503 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | BOSTON NATIONAL TITLE NC |
| Name | Verified Name |
|---|
| Document Number | 0000244058 |
|---|---|
| Date | Dec 28, 2017 |
| Instrument | 2017-244058 |
| Name | SUNTRUST MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | RICHMOND, VA 23224 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2048 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 29, 2019 |
| Property Address | 538 MT DELL DR, CLAYTON, CA 94517-1503 |
| Document Number | 0000117328 |
| Instrument Date | Jul 23, 2019 |
| Instrument | 117328 |
| Transaction Type | Transfer |
| Record Updated | Aug 5, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 538 MT DELL DR CLAYTON CA 945171503, CLAYTON, CA 94517-1503 |
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 | $557,155 (+2%) Land $269,691 Building $287,464 | |
| 2025 | $7,198.00 (+4.77%) Homeowner's exemption | $546,231 (+4.04%) Land $264,403 Building $281,828 |
| 2023 | $6,870.00 (+1.54%) Homeowner's exemption | $525,022 Land $254,137 Building $270,885 |
| 2022 | $6,766.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 88% of the US · above 69% of California |
|---|---|
| Wildfire Likelihood | 1% 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 | 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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