Contra Costa County property record for 20 Hillside Rd, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,100 sqft · built 1956 |
| Lot Size | 0.12 acres (5,225 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $550,000 (Oct 2024) |
| Tax Bill | $6,725 (2025) |
| Deeds & Mortgages | Apr 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 071-072-005-3 |
| Primary APN | 071-072-005-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,100 sqft Living Area |
| 1st Floor Area | 1,100 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 5,225 sqft (0.12 acres) |
| Lot Dimensions | 95 ft deep x 55 ft wide |
| Garage Type | Attached |
| Garage Area | 385 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 20 HILLSIDE RD |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4944 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | ANTIOCH HGTS SUBN #1 LOT 14 |
| Legal Subdivision | ANTIOCH HEIGHTS SUB |
| Legal Lot Number | 14 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1025 |
| Census Tract | 308001 |
Source: Contra Costa County records, as of July 29, 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 Record |
|---|---|
| Mailing Address | 20 HILLSIDE RD, ANTIOCH, CA 94509-4944 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 8, 2024 · Amount on Record |
| Deed Sale | Oct 8, 2024 · Amount on Record |
| Prior Sale | Jun 4, 2024 · Amount on Record |
| Deed Document Number | 202499059 |
| Prior Transfer Date | Dec 20, 1993 |
| Prior Transfer Doc | 0000374050 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 26, 2017 |
| Property Address | 20 HILLSIDE RD, ANTIOCH, CA 94509-4944 |
| Document Number | 0000071788 |
| Map Reference | MB38 PG11 |
| Instrument Date | Apr 21, 2017 |
| Instrument | 2017-071788 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 560 30TH AVE SPC 9, 9, SANTA CRUZ, CA 95062-5031 |
| Document Number | 0000071789 |
|---|---|
| Date | Apr 26, 2017 |
| Instrument | 2017-071789 |
| Name | HOMEBRIDGE FINANCIAL SERVICES INC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 1, 2047 |
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 | $561,000 (+2%) Land $244,800 Building $316,200 | |
| 2025 | $6,725.00 (+129.76%) | $550,000 (+153.84%) Land $240,000 Building $310,000 |
| 2023 | $2,927.00 (+1.42%) | $216,675 Land $118,962 Building $97,713 |
| 2022 | $2,886.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 |
| Nearby Flood Claims | 3 (1998–2004) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Nov 2004 · rainfall accumulation |
| Claims by Event |
|
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 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 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 579 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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