Contra Costa County property record for 121 E Madill St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,395 sqft · built 1956 |
| Lot Size | 0.161 acres (6,993 sqft) |
| Owner | Individual Name on File |
| Last Sale | $70,000 (Jul 2011) |
| Tax Bill | $2,121 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-115-007-4 |
| Primary APN | 068-115-007-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,395 sqft Living Area |
| 1st Floor Area | 1,395 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 6,993 sqft (0.161 acres) |
| Garage Type | Attached |
| Garage Area | 283 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 121 E MADILL ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-3814 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 2434 LOT 6 |
| Legal Subdivision | WESTWOOD ESTATES |
| Legal Tract | 2434 |
| Legal Lot Number | 6 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 308001 |
Source: Contra Costa County records · APN 068-115-007-4
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 536 ANNETTE AVE, VALLEJO, CA 94591-6516 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 12, 2011 · Amount on Record |
| Deed Sale | Jul 12, 2011 · Amount on Record |
| Deed Document Number | 2011136562 |
| Prior Transfer Date | Jun 08, 1994 |
| Prior Transfer Doc | 0000162591 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $140,918 (+2%) Land $69,177 Building $71,741 | |
| 2025 | $2,121.00 (+6.48%) | $138,156 (+4.04%) Land $67,821 Building $70,335 |
| 2023 | $1,992.00 (+1.32%) | $132,793 Land $65,189 Building $67,604 |
| 2022 | $1,966.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133080011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1998–2004) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Nov 2004, rainfall accumulation |
| Claims By Storm |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 597 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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