Contra Costa County property record for 219 Mountaire Cir, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,919 sqft · built 1971 |
| Lot Size | 0.315 acres (13,720 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,145,000 (May 2023) |
| Tax Bill | $14,774 (2025) |
| Deeds & Mortgages | May 2023 Sale & Mortgage Apr 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-142-001-5 |
| Primary APN | 119-142-001-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 1,919 sqft Living Area |
| Gross Area | 2,442 sqft |
| 1st Floor Area | 1,919 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Traditional |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 13,720 sqft (0.315 acres) |
| Garage Type | Attached |
| Garage Area | 523 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 219 MOUNTAIRE CIR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1549 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04011 L0011 B EX 1/2 MR |
| Legal Subdivision | SUBDIVISION 4011 |
| Legal Tract | 04011 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 355306 |
Source: Contra Costa County records · APN 119-142-001-5
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 219 MOUNTAIRE CIR, CLAYTON, CA 94517-1549 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 12, 2023 | Grant Deed, Transfer · FHA Mortgage CROSSCOUNTRY MORTGAGE LLC |
| Apr 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC |
| Jun 13, 2020 | Deed of Trust, Mortgage · Conventional Mortgage MR COOPER |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 12, 2023 · Amount on Record |
| Deed Sale | May 12, 2023 · Amount on Record |
| Prior Sale | Apr 20, 2010 · Amount on Record |
| Deed Document Number | 202344687 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 12, 2023 |
| Property Address | 219 MOUNTAIRE CIR, CLAYTON, CA 94517-1549 |
| Document Number | 0000044687 |
| Map Reference | MB 134 PG 6 |
| Instrument Date | Apr 25, 2023 |
| Instrument | 2023-044687 |
| Transaction Type | Transfer |
| Record Updated | May 23, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 219 MOUNTAIRE CIR, CLAYTON, CA 94517-1549 |
| Document Number | 0000044688 |
|---|---|
| Date | May 12, 2023 |
| Instrument | 2023-044688 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 219 MOUNTAIRE CIR, CLAYTON, CA 94517-1549 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Name | Verified Name |
|---|---|
| Address | 219 MOUNTAIRE CIR, CLAYTON, CA 94517-1549 |
| Document Number | 0000113161 |
|---|---|
| Date | Apr 15, 2021 |
| Instrument | 2021-113161 |
| Name | NATIONSTAR MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | May 01, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 219 MOUNTAIRE CIR, CLAYTON, CA 94517-1549 |
| Document Number | 0000120497 |
| Instrument Date | Jun 13, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 30, 2020 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES, SIMPLIFILE LC E-RECORDING |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 219 MOUNTAIRE CIR CLAYTON CA 945171549, CLAYTON, CA 94517-1549 |
| Document Number | 0000120497 |
|---|---|
| Date | Jun 22, 2020 |
| Instrument | 120497 |
| Name | MR COOPER |
|---|---|
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 21, 2050 |
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 | $1,332,382 (+9.55%) Land $711,009 Building $621,373 | |
| 2025 | $14,774.00 (+65.42%) | $1,216,258 (+75.06%) Land $697,068 Building $519,190 |
| 2023 | $8,931.00 (+1.35%) | $694,777 Land $446,645 Building $248,132 |
| 2022 | $8,812.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Moderate above 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; 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 |
May also be available: AT&T, Radiate Holdings.
Based on FCC filings for 351 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System 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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