Contra Costa County property record for 101 John Gildi Ave, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,169 sqft · built 1949 |
| Lot Size | 0.136 acres (5,915 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $136,500 (Mar 2008) |
| Tax Bill | $2,580 (2025) |
| Deeds & Mortgages | Jan 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 067-326-001-4 |
| Primary APN | 067-326-001-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,169 sqft Living Area |
| 1st Floor Area | 1,169 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 5,915 sqft (0.136 acres) |
| Garage Type | Attached |
| Garage Area | 557 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 101 JOHN GILDI AVE |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-3509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | SYCAMORE PARK #2 LOT 159 |
| Legal Subdivision | SYCAMORE PARK 02 |
| Legal Lot Number | 159 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 307102 |
Source: Contra Costa County records, as of July 14, 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 | 101 JOHN GILDI AVE, ANTIOCH, CA 94509-3509 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 19, 2008 · Amount on Record |
| Deed Sale | Mar 19, 2008 · Amount on Record |
| Prior Sale | May 17, 2007 · Amount on Record |
| Deed Document Number | 200858959 |
| Prior Transfer Date | Oct 28, 1997 |
| Prior Transfer Doc | 0000209823 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 28, 2020 |
| Property Address | 101 JOHN GILDI AVE, ANTIOCH, CA 94509-3509 |
| Document Number | 0000016496 |
| Instrument Date | Jan 9, 2020 |
| Instrument | 16496 |
| Transaction Type | Transfer |
| Record Updated | Feb 10, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Sole Owner |
| Address | 101 JOHN GILDI AVE ANTIOCH CA 945093509, ANTIOCH, CA 94509-3509 |
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 | $182,863 (+2%) Land $66,982 Building $115,881 | |
| 2025 | $2,580.00 (+6.09%) | $179,278 (+4.04%) Land $65,669 Building $113,609 |
| 2023 | $2,432.00 (+1.38%) | $172,319 Land $63,120 Building $109,199 |
| 2022 | $2,399.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
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