Contra Costa County property record for 367 Mount Washington Way, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 4,318 sqft · built 1974 |
| Lot Size | 0.24 acres (10,450 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,555,500 (May 2026) |
| Tax Bill | $12,912 (2025) |
| Deeds & Mortgages | May 2026 Sale & Mortgage Nov 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-221-005 |
| Primary APN | 119-221-005 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 4,318 sqft Living Area |
| 1st Floor Area | 2,314 sqft |
| 2nd Floor Area | 2,004 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1994 |
| Exterior Material | Stucco |
| Roof Material | Tile |
| Lot Area | 10,450 sqft (0.24 acres) |
| Garage Type | Attached |
| Garage Area | 655 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 367 MT WASHINGTON WAY |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1545 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04013 L0066 B EX MR |
| Legal Subdivision | SUBDIVISION 4013 |
| Legal Tract | 04013 |
| Legal Lot Number | 66 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 355306 |
367 Mount Washington Way is owned and occupied by an individual who bought it in May 2026.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 367 MT WASHINGTON WAY, CLAYTON, CA 94517-1545 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Man |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 26, 2026 | Grant Deed, Transfer · Conventional Mortgage HSBC BANK USA N A |
| Nov 12, 2020 | Deed of Trust, Mortgage · Conventional Mortgage LENDUS LLC |
| May 24, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 26, 2026 · Amount on File |
| Deed Sale | May 26, 2026 · Amount on File |
| Prior Sale | Sep 29, 2010 · Amount on File |
| Deed Document Number | 202654495 |
| Prior Transfer Date | Jan 25, 1996 |
| Prior Transfer Doc | 0000017965 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 26, 2026 |
| Property Address | 367 MT WASHINGTON WAY, CLAYTON, CA 94517-1545 |
| Document Number | 0000054495 |
| Instrument Date | May 18, 2026 |
| Instrument | 202654495 |
| Transaction Type | Transfer |
| Record Updated | Jun 2, 2026 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $172,816.05 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 367 MT WASHINGTON WAY, CLAYTON, CA 94517-1545 |
| Document Number | 0000054496, |
|---|---|
| Date | May 26, 2026 |
| Instrument | 202654496 |
| Name | HSBC BANK USA N A |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.5% |
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
| Document Number | 0000054497, |
|---|---|
| Date | May 26, 2026 |
| Instrument | 202654497 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 30 Months |
| Due | Jun 1, 2056 |
| Rate | 6.37% |
|---|---|
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 367 MT WASHINGTON WAY, CLAYTON, CA 94517-1545 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 367 MT WASHINGTON WAY, CLAYTON, CA 94517-1545 |
| Document Number | 0000271609 |
|---|---|
| Date | Nov 12, 2020 |
| Instrument | 2020-271609 |
| Name | LENDUS LLC |
|---|---|
| Type | Mortgage Company |
| Address | ALAMO, CA 94507 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2050 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 24, 2022 |
| Property Address | 367 MT WASHINGTON WAY, CLAYTON, CA 94517-1545 |
| Document Number | 0000087947 |
| Map Reference | MB 144 PG 38 |
| Instrument Date | May 17, 2022 |
| Instrument | 2022-087947 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 367 MT WASHINGTON WAY, CLAYTON, CA 94517-1545 |
The 2025 property tax bill for 367 Mount Washington Way was $12,912.
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 | $1,075,894 (+2%) Land $470,444 Building $605,450 | |
| 2025 | $12,912.00 Homeowner's exemption | $1,054,799 Land $461,220 Building $593,579 |
| 2023 | $12,378.00 (+1.23%) Homeowner's exemption | $1,013,842 Land $443,311 Building $570,531 |
| 2022 | $12,228.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 367 Mount Washington 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 367 Mount Washington Way is moderate, ranking above 69% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 69% of the US · above 44% of California |
|---|---|
| Wildfire Likelihood | 0.3% 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 420 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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