Contra Costa County property record for 1821 Johnson Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,818 sqft · built 1990 |
| Lot Size | 0.148 acres (6,440 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $163,000 (Dec 2015) |
| Tax Bill | $4,903 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 076-654-008-2 |
| Primary APN | 076-654-008-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,818 sqft Living Area |
| 1st Floor Area | 888 sqft |
| 2nd Floor Area | 930 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 6,440 sqft (0.148 acres) |
| Garage Type | Attached |
| Garage Area | 489 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1821 JOHNSON DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5367 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7105 L122 |
| Legal Subdivision | SUBDIVISION 7105 |
| Legal Tract | 7105 |
| Legal Lot Number | 122 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 307204 |
Source: Contra Costa County assessment roll, 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 Individual Names on File |
|---|---|
| Mailing Address | 1821 JOHNSON DR, ANTIOCH, CA 94509-5367 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 1, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| May 2, 2020 | Deed of Trust, Mortgage · FHA Mortgage QUICKEN LNS |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 29, 2015 · Amount on Record |
| Deed Sale | Dec 29, 2015 · Amount on Record |
| Prior Sale | Jul 3, 2001 · Amount on Record |
| Deed Document Number | 2015266174 |
| Prior Transfer Date | Dec 18, 2015 |
| Prior Transfer Doc | 0000266174 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1821 JOHNSON DR, ANTIOCH, CA 94509-5367 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 1821 JOHNSON DR, ANTIOCH, CA 94509-5367 |
| Document Number | 0000292006 |
|---|---|
| Date | Dec 1, 2020 |
| Instrument | 2020-292006 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1821 JOHNSON DR, ANTIOCH, CA 94509-5367 |
| Document Number | 0000093153 |
| Instrument Date | May 2, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 28, 2020 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Address | 1821 JOHNSON DR ANTIOCH CA 945095367, ANTIOCH, CA 94509-5367 |
| Document Number | 0000093153 |
|---|---|
| Date | May 18, 2020 |
| Instrument | 93153 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 17, 2050 |
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 | $406,824 (+2%) Land $120,535 Building $286,289 | |
| 2025 | $4,903.00 (+6.22%) | $398,848 (+4.04%) Land $118,172 Building $280,676 |
| 2023 | $4,616.00 (+1.52%) | $383,362 Land $113,584 Building $269,778 |
| 2022 | $4,547.00 |
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 | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 612 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: Unwired, Verizon.
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