Contra Costa County property record for 21 Mirango Ct, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,010 sqft · built 1976 |
| Lot Size | 0.215 acres (9,350 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,135,000 (May 2025) |
| Tax Bill | $6,328 (2025) |
| Deeds & Mortgages | Apr 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-322-013-2 |
| Primary APN | 119-322-013-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,010 sqft Living Area |
| 1st Floor Area | 2,010 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 9,350 sqft (0.215 acres) |
| Garage Type | Attached |
| Garage Area | 426 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 | 21 MIRANGO CT |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1711 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PUD |
| Legal Description | T04543 L0055 B |
| Legal Subdivision | SUBDIVISION 4543 |
| Legal Tract | 04543 |
| Legal Lot Number | 55 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 355306 |
21 Mirango Ct is owner-occupied and held in a trust since May 2025.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21 MIRANGO CT, CLAYTON, CA 94517-1711 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
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 | May 27, 2025 · Amount on File |
| Deed Sale | May 27, 2025 · Amount on File |
| Deed Document Number | 202552462 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 21 MIRANGO CT, CLAYTON, CA 94517-1711 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 21 MIRANGO CT, CLAYTON, CA 94517-1711 |
| Document Number | 0000061286 |
|---|---|
| Date | Apr 8, 2022 |
| Instrument | 2022-061286 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92606 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2052 |
The 2025 property tax bill for 21 Mirango Ct was $6,328 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 | $1,157,700 (+156.75%) Land $586,500 Building $571,200 | |
| 2025 | $6,328.00 | $450,900 Land $183,802 Building $267,098 |
| 2023 | $5,961.00 (+1.62%) Homeowner's exemption | $433,393 Land $176,666 Building $256,727 |
| 2022 | $5,866.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 21 Mirango Ct in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1982) |
| Most Recent Claim | Dec 1982 · tidal / storm surge |
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.
Wildfire risk around 21 Mirango Ct is high, ranking above 82% of the US, with a 0.6% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 82% of the US · above 60% of California |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Indirect within ember reach |
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 274 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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