Contra Costa County property record for 403 Mount Sequoia Ct, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,694 sqft · built 1976 |
| Lot Size | 0.236 acres (10,290 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $725,000 (Sep 2014) |
| Tax Bill | $12,600 (2025) |
| Deeds & Mortgages | May 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-421-026-4 |
| Primary APN | 119-421-026-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 1 Story |
| Building Area | 2,694 sqft Living Area |
| 1st Floor Area | 2,694 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Tile |
| Lot Area | 10,290 sqft (0.236 acres) |
| Garage Type | Attached |
| Garage Area | 538 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 403 MT SEQUOIA CT |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1611 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 4016 LOT 64 EX MR |
| Legal Subdivision | SUBDIVISION 4016 |
| Legal Tract | 4016 |
| Legal Lot Number | 64 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 355306 |
Source: Contra Costa County records · APN 119-421-026-4
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 403 MT SEQUOIA CT, CLAYTON, CA 94517-1611 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 19, 2014 · Amount on Record |
| Deed Sale | Sep 19, 2014 · Amount on Record |
| Prior Sale | Apr 20, 2010 · Amount on Record |
| Deed Document Number | 2014159856 |
| Last Transfer Date | May 04, 2023 |
| Transfer Doc | 0000044349 |
| Record Updated | Sep 20, 2026 |
| Document Type | Gift Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 11, 2023 |
| Property Address | 403 MT SEQUOIA CT, CLAYTON, CA 94517-1611 |
| Document Number | 0000044349 |
| Map Reference | MB 183 PG 11 |
| Instrument Date | May 04, 2023 |
| Instrument | 2023-044349 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 403 MT SEQUOIA CT, CLAYTON, CA 94517-1611 |
| Investor | Possibly a Property Investor |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $1,039,715 (+2%) Land $556,211 Building $483,504 | |
| 2025 | $12,600.00 (+4.3%) | $1,019,329 (+4.04%) Land $545,305 Building $474,024 |
| 2023 | $12,080.00 (+17.33%) | $979,749 Land $524,131 Building $455,618 |
| 2022 | $10,296.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133553063, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Wildfire Risk | High above 79% of the US · above 56% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 420 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system CA0710003, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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