Contra Costa County property record for 5221 McCormick Ct, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,403 sqft · built 2002 |
| Lot Size | 0.302 acres (13,170 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $472,500 (Aug 2002) |
| Tax Bill | $8,849 (2025) |
| Deeds & Mortgages | Jan 2026 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 075-580-011-7 |
| Primary APN | 075-580-011-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 3,403 sqft Living Area |
| 1st Floor Area | 3,403 sqft |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Lot Area | 13,170 sqft (0.302 acres) |
| Garage Type | Attached |
| Garage Area | 682 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5221 MCCORMICK CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-9121 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8320 L432 |
| Legal Subdivision | 8320 BLACK DIAMOND ESTATES 9 |
| Legal Tract | 8320 |
| Legal Lot Number | 432 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 355118 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 5221 MCCORMICK CT, ANTIOCH, CA 94531-9121 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 23, 2002 · Amount on Record |
| Deed Sale | Aug 23, 2002 · Amount on Record |
| Deed Document Number | 2002296174 |
| Last Transfer Date | Jun 12, 2003 |
| Transfer Doc | 0000278954 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5221 MCCORMICK CT, ANTIOCH, CA 94531-9121 |
| Transaction Type | Mortgage |
| Record Updated | Jan 23, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0000003456 |
|---|---|
| Date | Jan 13, 2026 |
| Instrument | 2026- 003456 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | 1050 WOODWARD AVE, DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 1, 2056 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $790,040 (+2%) Land $169,878 Building $620,162 | |
| 2025 | $8,849.00 (+5.93%) Homeowner's exemption | $774,550 (+4.04%) Land $166,548 Building $608,002 |
| 2023 | $8,354.00 (+1.63%) Homeowner's exemption | $744,476 Land $160,082 Building $584,394 |
| 2022 | $8,220.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 79% of the US · above 56% 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 | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| Lead | Under 1 ppb (2022–2024) 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 64 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
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