Contra Costa County property records for 12 addresses on Helmuth Ln, Antioch, CA · Last verified August 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $330,000 |
| Deeds and Mortgages on File | 28 |
| Median Price per Sqft | $341 |
| Owner Occupied | 67% |
| Median Annual Tax Bill | $3,778 |
| Median Year Built | 1942 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 1.5 ba · 1,178 sqft · 0.089 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000May 2017 | $4,8502025 | Amount on Record Dec 2016 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1 bd · 1 ba · 472 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8642025 | 1 Name on Record | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 624 sqft · 0.047 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Nov 2022 | $4,5622025 | Amount on Record Jun 2022 | 1 Name on Record Owner Occupied | Assessor + 9 DocumentsUpdated Jul 2026 |
1 bd · 1 ba · 472 sqft · 0.039 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $290,000Nov 2021 | $4,0602025 | —Nov 2021 | 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
1 bd · 1 ba · 624 sqft · 0.047 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $45,000Oct 1984 | $1,5902025 | 1 Name on Record | AssessorUpdated Jul 2026 |
2 bd · 2 ba · 768 sqft · 0.039 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $262,500Jul 2019 | $3,7782025 | Amount on Record Mar 2011 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 864 sqft · 0.05 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Dec 2023 | $5,2452025 | Amount on Record May 2023 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 637 sqft · 0.069 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $173,000Apr 2014 | $2,9402025 | Amount on Record Aug 2010 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 696 sqft · 0.051 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $59,000Apr 1997 | $1,5632025 | —Apr 1997 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 2 ba · 977 sqft · 0.1 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Jul 2013 | $2,8982025 | Amount on Record Dec 2008 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1 ba · 1,063 sqft · 0.079 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,3812025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,650 sqft · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $440,000Mar 2021 | $5,9012025 | Amount on Record Jun 2016 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |