Contra Costa County property records for 15 addresses on Observation Way, Antioch, CA · Last verified August 2026
| Properties | 15 |
|---|---|
| Median Sale Price | $660,000 |
| Deeds and Mortgages on File | 28 |
| Median Price per Sqft | $250 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $8,239 |
| Median Year Built | 2002 |
| Median Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 3,527 sqft · 0.198 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $334,000Nov 2008 | $5,3072025 | Amount on Record Oct 2002 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3 ba · 3,409 sqft · 0.198 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $439,500Nov 2002 | $7,7792025 | —Jun 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 3,409 sqft · 0.324 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $578,500Oct 2002 | $10,0422025 | —Jun 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,888 sqft · 0.217 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Dec 2018 | $7,5102025 | Amount on Record Dec 2013 | 1 Name on Record Owner Occupied | Assessor + 7 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 3,527 sqft · 0.298 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $884,000Jun 2026 | $9,7162025 | Amount on Record Jun 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 3,117 sqft · 0.299 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Aug 2021 | $9,1272025 | Amount on Record Oct 2002 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
6 bd · 3 ba · 3,527 sqft · 0.199 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $444,500Jun 2002 | $7,8202025 | —Jun 2002 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,888 sqft · 0.208 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $725,000Dec 2005 | $8,3832025 | Amount on Record Jun 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,535 sqft · 0.186 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Jan 2003 | $7,3242025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 4 ba · 2,991 sqft · 0.201 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $483,000Dec 2002 | $8,2482025 | —Oct 2002 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3 ba · 2,813 sqft · 0.183 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $655,000Apr 2020 | $8,2392025 | —Sep 2019 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,334 sqft · 0.209 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $586,000Oct 2020 | $7,3782025 | Amount on Record Dec 2002 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,334 sqft · 0.322 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $393,500Dec 2002 | $7,2112025 | —Dec 2002 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3 ba · 2,999 sqft · 0.277 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $805,000May 2025 | $8,6552025 | Amount on Record Nov 2022 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 4 ba · 3,402 sqft · 0.493 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $660,000Jun 2019 | $8,4642025 | Amount on Record Dec 2002 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | High this street's cells rank at the 70th percentile of exposed land nationally · 45th in California |
|---|---|
| Wildfire Likelihood | High — about 1 in 318 per year |
| Exposure | Indirect 0 of 1 cells directly exposed |