Contra Costa County property record for 281 Mountaire Cir, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,919 sqft · built 1971 |
| Lot Size | 0.24 acres (10,450 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $433,000 (Nov 2009) |
| Tax Bill | $7,444 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-171-001-9 |
| Primary APN | 119-171-001-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 1,919 sqft Living Area |
| 1st Floor Area | 1,919 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Cluster |
| Lot Area | 10,450 sqft (0.24 acres) |
| Garage Type | Attached |
| Garage Area | 523 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 281 MOUNTAIRE CIR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1552 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04012 L0041 B EX MR |
| Legal Subdivision | SUBDIVISION 4012 |
| Legal Tract | 04012 |
| Legal Lot Number | 41 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 355306 |
281 Mountaire Cir is owned and occupied by two individuals who bought it in November 2009.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 281 MOUNTAIRE CIR, CLAYTON, CA 94517-1552 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 Sale | Nov 20, 2009 · Amount on File |
| Deed Sale | Nov 20, 2009 · Amount on File |
| Prior Sale | Jul 6, 2009 · Amount on File |
| Deed Document Number | 2009276671 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 281 MOUNTAIRE CIR, CLAYTON, CA 94517-1552 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 281 MOUNTAIRE CIR, CLAYTON, CA 94517-1552 |
| Document Number | 0000034746 |
|---|---|
| Date | Feb 24, 2022 |
| Instrument | 2022-034746 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Address | CLAYTON, CA 94517 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Mar 1, 2042 |
The 2025 property tax bill for 281 Mountaire Cir was $7,444 with a homeowner's exemption.
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 | $570,092 (+2%) Land $342,321 Building $227,771 | |
| 2025 | $7,444.00 Homeowner's exemption | $558,914 Land $335,609 Building $223,305 |
| 2023 | $7,110.00 (+1.48%) Homeowner's exemption | $537,213 Land $322,578 Building $214,635 |
| 2022 | $7,006.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 281 Mountaire Cir 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 281 Mountaire Cir is high, ranking above 76% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.4% 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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