Contra Costa County property record for 4520 Loon Ct, Antioch, CA 94531 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 2001 |
| Square Footage | 2,260 sqft Living Area |
| Lot Size | 12,958 sqft (0.298 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $313,500 (2001) |
| Tax Bill | $5,638.00 (2025) |
| Primary APN | 053-660-017-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,260 sqft Living Area |
| 1st Floor | 1,028 sqft 1st Floor |
| 2nd Floor | 1,232 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Lot Area | 12,958 sqft (0.298 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 437 sqft Garage |
| Street Address | 4520 LOON CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-9385 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T7219 L580 |
| Legal Subdivision | SUBDIVISION 7219 |
| Legal Tract | 7219 |
| Legal Lot Number | 580 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 1 |
| Census Block | 1022 |
| Census Tract | 308002 |
Source: Contra Costa County records · APN 053-660-017-4
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 4520 LOON CT, ANTIOCH, CA 94531-9385 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Family Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 19, 2001 · Amount on Record |
| Deed Sale | Oct 19, 2001 · Amount on Record |
| Deed Doc Number | 2001315879 |
| Last Transfer Date | Nov 25, 2024 |
| Transfer Doc | 0000131789 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $477,951 (+2%) Land $157,455 Building $320,496 | |
| 2025 | $5,638.00 (+4.68%) Homeowner's exemption | $468,580 (+4.04%) Land $154,368 Building $314,212 |
| 2023 | $5,386.00 (+1.53%) | $450,386 Land $148,375 Building $302,011 |
| 2022 | $5,305.00 |
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