Contra Costa County property record for 505 Gary Ave, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,601 sqft · built 1952 |
| Lot Size | 0.134 acres (5,850 sqft) |
| Owner | Individual Name on File |
| Last Sale | $560,000 (Dec 2024) |
| Tax Bill | $6,838 (2025) |
| Deeds & Mortgages | Oct 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-074-022-2 |
| Primary APN | 068-074-022-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,601 sqft Living Area |
| 1st Floor Area | 1,601 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1967 |
| Lot Area | 5,850 sqft (0.134 acres) |
| Garage Type | Attached |
| Garage Area | 414 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 505 GARY AVE |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2723 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LYNNWOOD ESTATES LOT 16 |
| Legal Subdivision | LYNNWOOD ESTATES |
| Legal Lot Number | 16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 306003 |
505 Gary Ave is owned and occupied by an individual who bought it in December 2024.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 505 GARY AVE, ANTIOCH, CA 94509-2723 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 6, 2024 · Amount on File |
| Deed Sale | Dec 6, 2024 · Amount on File |
| Prior Sale | Oct 17, 2024 · Amount on File |
| Deed Document Number | 2024131234 |
| Prior Transfer Date | Jul 31, 1996 |
| Prior Transfer Doc | 0000168651 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 4, 2017 |
| Property Address | 505 GARY AVE, ANTIOCH, CA 94509-2723 |
| Document Number | 0000181202 |
| Instrument Date | Sep 29, 2017 |
| Instrument | 181202 |
| Transaction Type | Transfer |
| Record Updated | Aug 25, 2018 |
| Title Company | OS NATIONAL LLC, OS NAT'L LLC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 8665 E HARTFORD DR #200 SCOTTSDALE AZ 852557807, 200, SCOTTSDALE, AZ 85255-7807 |
| Investor | Possibly a Property Investor |
| Document Number | 184278 |
|---|---|
| Date | Oct 4, 2017 |
| Instrument | 184278 |
| Name | GERMAN AM CAP |
|---|---|
| Type | Funding / Finance Company |
| Address | 60 WALL ST # 10TH, NEW YORK, NY 10005-2836 |
| Amount | Amount on Record |
|---|
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 505 Gary Ave was $6,838.
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 | $571,200 (+2%) Land $328,440 Building $242,760 | |
| 2025 | $6,838.00 | $560,000 Land $322,000 Building $238,000 |
| 2023 | $5,299.00 (+11.21%) | $388,240 (+5.97%) Land $218,727 Building $169,513 |
| 2022 | $4,765.00 | $366,368 Land $201,228 Building $165,140 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 505 Gary Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
The area around 505 Gary Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 741 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · 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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