Contra Costa County property record for 404 Redrock Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,591 sqft · built 1990 |
| Lot Size | 0.147 acres (6,420 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $4,617 (2025) |
| Deeds & Mortgages | Sep 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 072-322-022-4 |
| Primary APN | 072-322-022-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,591 sqft Living Area |
| 1st Floor Area | 1,402 sqft |
| 2nd Floor Area | 1,189 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 6,420 sqft (0.147 acres) |
| Garage Type | Attached |
| Garage Area | 646 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 404 REDROCK DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6977 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T6164A L0507 B |
| Legal Subdivision | SUBDIVISION 6164 |
| Legal Tract | 6164A |
| Legal Lot Number | 0507 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 355109 |
404 Redrock Dr is held in a trust since September 2020.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 236, ALAMO, CA 94507-0236 |
| Owner Type | Company |
| Vesting | 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 | Name on Deed |
|---|---|
| Last Transfer Date | Sep 15, 2020 |
| Transfer Doc | 0000211415 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 22, 2020 |
| Property Address | 404 REDROCK DR, ANTIOCH, CA 94509-6977 |
| Document Number | 0000211415 |
| Instrument Date | Sep 15, 2020 |
| Instrument | 211415 |
| Transaction Type | Transfer |
| Record Updated | Oct 9, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | PO BOX 236 ALAMO CA 945070236, ALAMO, CA 94507-0236 |
The 2025 property tax bill for 404 Redrock Dr was $4,617.
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 | $365,570 (+2%) Land $76,355 Building $289,215 | |
| 2025 | $4,617.00 | $358,403 Land $74,858 Building $283,545 |
| 2023 | $4,386.00 (+1.53%) | $344,488 Land $71,952 Building $272,536 |
| 2022 | $4,320.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 404 Redrock Dr 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 404 Redrock Dr is low, with a 0.01% annual chance of wildfire.
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 |
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 484 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 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures