Sonoma County property records for 38 addresses on Helman Ln, Cotati, CA · Last verified August 2026
| Properties | 38 |
|---|---|
| Median Sale Price | $675,000 |
| Deeds and Mortgages on File | 78 |
| Median Price per Sqft | $718 |
| Owner Occupied | 34% |
| Median Annual Tax Bill | $7,830 |
| Median Year Built | 1947 |
| Median Ownership Tenure | 8 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
11,000 sqft · Built 1965 · 2.62 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000Feb 2019 | $32,3042025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Apr 2026 |
0.782 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000Feb 2019 | $6,8252025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
1 bd · 1 ba · 898 sqft · 1.22 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000May 2022 | $15,6942025 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
4 bd · 2 ba · 2,091 sqft · 3.3 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Sep 2012 | $7,2612025 | Amount on Record Jan 2012 | 1 Name on Record | AssessorUpdated Apr 2026 |
3 bd · 1 ba · 1,088 sqft · 1.37 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $768,000Mar 2020 | $10,2982025 | 1 Name on Record | Assessor + 5 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,675 sqft · 2.1 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $60,000Aug 2018 | $2,8032025 | 1 Name on Record | Assessor + 4 DocumentsUpdated May 2026 |
1 bd · 1 ba · 880 sqft · 3.82 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,7892025 | 1 Name on Record | AssessorUpdated Apr 2026 |
2 bd · 1 ba · 736 sqft · 10.3 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,050,000Jul 2021 | $13,2002025 | 2 Names on Record | Assessor + 2 DocumentsUpdated May 2026 |
4 bd · 2 ba · 1,875 sqft · 0.5 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $520,000Sep 2017 | $8,5612025 | Amount on Record Nov 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
2 bd · 1 ba · 1,155 sqft · 1.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,500Sep 2000 | $4,6542025 | Amount on Record May 1999 | 2 Names on Record | Assessor + 6 DocumentsUpdated Aug 2026 |
4 bd · 1 ba · 1,266 sqft · 0.93 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $910,000Jan 2024 | $11,0722025 | —Jul 2011 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2026 |
1.02 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $74,000Sep 2022 | $3,5012025 | Amount on Record Oct 1999 | 2 Names on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 1 ba · 2,028 sqft · 0.431 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Apr 2022 | $1,7522025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
376 sqft · 1 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,9932025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 2 ba · 1,696 sqft · 0.62 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,8032025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
0.951 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $320,000Oct 2025 | $1,5122025 | Amount on Record Dec 2013 | 2 Names on Record | Assessor + 2 DocumentsUpdated Apr 2026 |
3 bd · 2 ba · 1,363 sqft · 6.42 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 1996 | $1,7692025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 2 ba · 1,328 sqft · 4.23 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Apr 2019 | $7,8302025 | Amount on Record Jan 2017 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2026 |
24,410 sqft · Built 2000 · 10.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Jul 1997 | 1 Name on Record | AssessorUpdated Apr 2026 |
4 bd · 2 ba · 1,508 sqft · 10.7 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $995,000Nov 2017 | $15,7452025 | 1 Name on Record | Assessor + 4 DocumentsUpdated Apr 2026 |
2 bd · 1 ba · 1,032 sqft · 9.87 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $104,400Sep 2014 | $9,5162025 | Amount on Record Aug 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
2.62 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Apr 2026 |
4 bd · 3 ba · 1,840 sqft · 5.02 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $321,818May 2006 | $13,2212025 | Amount on Record — | 1 Name on Record Owner Occupied | AssessorUpdated May 2026 |
3 bd · 2 ba · 1,455 sqft · 4.46 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $295,000Mar 2014 | $8,8132025 | Amount on Record Jan 2014 | 2 Names on Record | Assessor + 3 DocumentsUpdated May 2026 |
9.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,4302025 | 1 Name on Record | AssessorUpdated Apr 2026 |
10 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,3582025 | 1 Name on Record | AssessorUpdated May 2026 |
3 bd · 1 ba · 1,592 sqft · 16.7 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000May 2021 | $8,8622025 | 1 Name on Record | Assessor + 6 DocumentsUpdated Apr 2026 |
2 bd · 1 ba · 576 sqft · 10.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000May 2020 | $15,4592025 | Amount on Record Nov 2010 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2026 |
3 bd · 2 ba · 6,000 sqft · 15.6 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Jan 2002 | $10,3282025 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
2 bd · 2 ba · 1,368 sqft · 16.5 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Nov 2021 | $12,9482025 | —Dec 2018 | 1 Name on Record | Assessor + 6 DocumentsUpdated Aug 2026 |
2 bd · 2 ba · 1,342 sqft · 1.5 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000Jan 2016 | $8,6942025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2026 |
8.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,445,000Jun 2018 | $5872025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Apr 2026 |
3 bd · 4 ba · 2,985 sqft · 4.45 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Nov 2000 | $12,6902025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
2 bd · 1 ba · 1,345 sqft · 1.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Oct 2001 | $4,8822025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
1.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Oct 2020 | $3,1182025 | —Nov 2012 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2026 |
2 bd · 1 ba · 1,147 sqft · 3.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,7292025 | 1 Name on Record Owner Occupied | AssessorUpdated Apr 2026 |
2 bd · 1 ba · 1,280 sqft · 9.58 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Oct 2003 | $12,5282025 | 1 Name on Record | Assessor + 3 DocumentsUpdated May 2026 |
3 bd · 1 ba · 1,330 sqft · 4.34 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,8102025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |