Contra Costa County property record for 620 Gary Ave, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,021 sqft · built 1952 |
| Lot Size | 0.179 acres (7,800 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $171,000 (Feb 2014) |
| Tax Bill | $2,920 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-075-012-2 |
| Primary APN | 068-075-012-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,021 sqft Living Area |
| 1st Floor Area | 1,021 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 7,800 sqft (0.179 acres) |
| Garage Type | Attached |
| Garage Area | 414 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 620 GARY AVE |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2726 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LYNNWOOD ESTATES LOT 12 |
| Legal Subdivision | LYNNWOOD ESTATES |
| Legal Lot Number | 12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 306003 |
Source: Contra Costa County records · APN 068-075-012-2
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 | 519 SEASTORM DR, REDWOOD CITY, CA 94065-2847 |
| Owner Type | Individual |
| Vesting | Tenants in Common |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 05, 2014 · Amount on Record |
| Deed Sale | Feb 05, 2014 · Amount on Record |
| Prior Sale | May 16, 2008 · Amount on Record |
| Deed Document Number | 201418883 |
| Prior Transfer Date | Mar 08, 2006 |
| Prior Transfer Doc | 0000072796 |
| 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 | $213,803 (+2%) Land $137,536 Building $76,267 | |
| 2025 | $2,920.00 (+5.87%) | $209,612 (+4.04%) Land $134,840 Building $74,772 |
| 2023 | $2,758.00 (+1.43%) | $201,474 Land $129,605 Building $71,869 |
| 2022 | $2,719.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133060033, 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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998, rainfall accumulation, Severe Winter Storms And Flooding |
| 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 322 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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