Contra Costa County property record for 55 E Madill St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,780 sqft · built 1953 |
| Lot Size | 0.117 acres (5,100 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $145,000 (Sep 2009) |
| Tax Bill | $2,668 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-121-006-8 |
| Primary APN | 068-121-006-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,780 sqft Living Area |
| 1st Floor Area | 1,780 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1968 |
| Lot Area | 5,100 sqft (0.117 acres) |
| Heating System | Central |
|---|
| Street Address | 55 E MADILL ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-3812 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUNSET GARDENS #3 LOT 28 BLK 1 |
| Legal Subdivision | SUNSET GARDENS |
| Legal Block | 1 |
| Legal Lot Number | 28 |
| 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 068-121-006-8
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 310 WALNUT AVE, WALNUT CREEK, CA 94598-3375 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 17, 2009 · Amount on Record |
| Deed Sale | Sep 17, 2009 · Amount on Record |
| Prior Sale | Jul 07, 2009 · Amount on Record |
| Deed Document Number | 2009221154 |
| Last Transfer Date | Feb 18, 2021 |
| Transfer Doc | 0000054378 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 22, 2021 |
| Property Address | 55 E MADILL ST, ANTIOCH, CA 94509-3812 |
| Document Number | 0000054378 |
| Map Reference | MB 46 PG 19 |
| Instrument Date | Feb 18, 2021 |
| Instrument | 2021-054378 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 55 E MADILL ST, ANTIOCH, CA 94509-3812 |
| Document Number | 0000054379 |
|---|---|
| Date | Feb 22, 2021 |
| Instrument | 2021-054379 |
| Name | GUILD MORTGAGE CO |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Mar 01, 2036 |
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 | $190,893 (+2%) Land $53,315 Building $137,578 | |
| 2025 | $2,668.00 (+6.04%) | $187,151 (+4.04%) Land $52,270 Building $134,881 |
| 2023 | $2,516.00 (+1.37%) | $179,887 Land $50,242 Building $129,645 |
| 2022 | $2,482.00 |
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.
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