Contra Costa County property record for 515 Mount Dell Dr, Clayton, CA 94517 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1972 |
| Square Footage | 1,740 sqft Living Area |
| Lot Size | 10,600 sqft (0.243 acres) |
| Garage | Attached, 441 sqft |
| Last Sale | $1,035,000 (2021) |
| Tax Bill | $12,232.00 (2025) |
| Primary APN | 119-173-001-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 1,740 sqft Living Area |
| 1st Floor | 1,740 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Cluster Style |
| Lot Area | 10,600 sqft (0.243 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 441 sqft Garage |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Street Address | 515 MT DELL DR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1502 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T04012 L0038 B EX MR |
| Legal Subdivision | SUBDIVISION 4012 |
| Legal Tract | 04012 |
| Legal Lot Number | 38 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3008 |
| Census Tract | 355306 |
Source: Contra Costa County records · APN 119-173-001-7
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 | Company Name on File |
|---|---|
| Mailing Address | 515 MT DELL DR, CLAYTON, CA 94517-1502 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Sep 23, 2022 | Intrafamily Transfer, Transfer |
| Dec 08, 2021 | Grant Deed, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 08, 2021 · Amount on Record |
| Deed Sale | Dec 08, 2021 · Amount on Record |
| Prior Sale | Nov 29, 2001 · Amount on Record |
| Deed Doc Number | 2021333911 |
| Last Transfer Date | Sep 14, 2022 |
| Transfer Doc | 0000143076 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 23, 2022 |
| Property Address | 515 MT DELL DR, CLAYTON, CA 94517-1502 |
| Document Number | 0000143076 |
| Map Reference | MB 137 PG 15 |
| Instrument Date | Sep 14, 2022 |
| Instrument | 2022-143076 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 515 MT DELL DR, CLAYTON, CA 94517-1502 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 08, 2021 |
| Property Address | 515 MT DELL DR, CLAYTON, CA 94517-1502 |
| Document Number | 0000333911 |
| Map Reference | MB 137 PG 15 |
| Instrument Date | Dec 02, 2021 |
| Instrument | 2021-333911 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 515 MT DELL DR, CLAYTON, CA 94517-1502 |
| Document Number | 0000333912 |
|---|---|
| Date | Dec 08, 2021 |
| Instrument | 2021-333912 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2052 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo 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 | $969,000 (-1.72%) Land $477,000 Building $492,000 | |
| 2025 | $12,232.00 (+7.64%) | $986,000 (+7.76%) Land $485,855 Building $500,145 |
| 2023 | $11,364.00 (-10.98%) | $915,000 Land $451,000 Building $464,000 |
| 2022 | $12,766.00 |
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