Contra Costa County property record for 921 Rotherham Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,649 sqft · built 1975 |
| Lot Size | 0.175 acres (7,605 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,758 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 071-311-023-7 |
| Primary APN | 071-311-023-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,649 sqft Living Area |
| 1st Floor Area | 1,649 sqft |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1976 |
| Lot Area | 7,605 sqft (0.175 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 921 ROTHERHAM DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4733 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4282 LOT 94 EX MR |
| Legal Subdivision | MAP LONE TREE HEIGHTS UNIT #1 |
| Legal Tract | 4282 |
| Legal Lot Number | 94 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 4 |
| Census Block | 4014 |
| Census Tract | 307102 |
921 Rotherham Dr is owned and occupied by two individuals.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 921 ROTHERHAM DR, ANTIOCH, CA 94509-4733 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 921 Rotherham Dr was $1,758 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 | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $114,923 (+2%) Land $35,551 Building $79,372 | |
| 2025 | $1,758.00 Homeowner's exemption | $112,670 Land $34,854 Building $77,816 |
| 2023 | $1,641.00 (+1.36%) Homeowner's exemption | $108,297 Land $33,501 Building $74,796 |
| 2022 | $1,619.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 921 Rotherham Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1989.
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 | 4 in force |
| Nearby Flood Claims | 1 (1989) |
| Most Recent Claim | Sep 1989 · rainfall accumulation |
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.
The area around 921 Rotherham Dr has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 561 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 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures