Contra Costa County property record for 4727 Koala Ct, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,144 sqft · built 1996 |
| Lot Size | 0.129 acres (5,610 sqft) |
| Owner | Company Name on Record |
| Last Sale | $297,000 (Mar 2013) |
| Tax Bill | $5,386 (2025) |
| Deeds & Mortgages | May 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 053-470-035-6 |
| Primary APN | 053-470-035-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,144 sqft Living Area |
| 1st Floor Area | 1,113 sqft |
| 2nd Floor Area | 1,031 sqft |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Lot Area | 5,610 sqft (0.129 acres) |
| Garage Type | Attached |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4727 KOALA CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8913 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7286 L645 |
| Legal Subdivision | SUBDIVISION 7286 |
| Legal Tract | 7286 |
| Legal Lot Number | 645 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 355110 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 2525 W FRYE RD, 300, CHANDLER, AZ 85224-6287 |
| Owner Type | Company |
| Vesting | Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 19, 2013 · Amount on Record |
| Deed Sale | Mar 19, 2013 · Amount on Record |
| Prior Sale | Oct 1, 2002 · Amount on Record |
| Deed Document Number | 201369021 |
| Prior Transfer Date | Mar 11, 2013 |
| Prior Transfer Doc | 0000069021 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 3, 2017 |
| Property Address | 4727 KOALA CT, ANTIOCH, CA 94531-8913 |
| Document Number | 0000076528 |
| Instrument Date | Apr 28, 2017 |
| Instrument | 76528 |
| Transaction Type | Transfer |
| Record Updated | May 12, 2017 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 1717 MAIN ST #2000 DALLAS TX 752014657, 2000, DALLAS, TX 75201-4657 |
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 | $446,284 (+2%) Land $147,972 Building $298,312 | |
| 2025 | $5,386.00 (+6.07%) | $437,534 (+4.04%) Land $145,071 Building $292,463 |
| 2023 | $5,078.00 (+1.52%) | $420,546 Land $139,439 Building $281,107 |
| 2022 | $5,002.00 |
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 | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 174 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Unwired.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures