Alameda County property records for 70 addresses on Comet Cir, Union City, CA · Last verified August 2026
| Properties | 70 |
|---|---|
| Median Sale Price | $759,000 |
| Deeds and Mortgages on File | 101 |
| Median Price per Sqft | $615 |
| Owner Occupied | 70% |
| Median Annual Tax Bill | $4,602 |
| Median Year Built | 1972 |
| Median Ownership Tenure | 16 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 1,137 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $817,000Feb 2024 | $11,2662025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 2.5 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $131,000Oct 1996 | $3,5292025 | —Jan 2003 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $279,000Oct 2002 | $5,9362025 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Jan 2000 | $4,9182025 | —Jan 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 1.5 ba · 1,255 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,3782025 | —Apr 2013 | 1 Name on Record | AssessorUpdated Aug 2026 |
3 bd · 1.5 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $660,000Aug 2019 | $9,8582025 | Amount on Record Dec 2016 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 856 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Oct 2003 | $5,6812025 | —Aug 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 3 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $635,000Jan 2020 | $9,6012025 | —Dec 2022 | 2 Names on Record | Assessor + 7 DocumentsUpdated Oct 2025 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $256,500Oct 2009 | $5,0132025 | Amount on Record Feb 2009 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $765,000Oct 2025 | $5,3062025 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Nov 2025 |
2 bd · 1 ba · 856 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $105,000Jul 1991 | $3,1802025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 1,583 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $285,000Oct 2008 | $5,4682025 | Amount on Record Jun 2008 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,000Aug 1994 | $2,5182025 | —Aug 1994 | 1 Name on Record | AssessorUpdated Aug 2026 |
3 bd · 1.5 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,0942025 | —Jul 2000 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 1.5 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $139,500Apr 1998 | $3,5592025 | Amount on Record Jan 1994 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 1.5 ba · 1,255 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $122,000Aug 1997 | $3,2952025 | —Aug 1997 | 2 Names on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 1.5 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,8562025 | —Feb 2018 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 1,583 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,500Jul 2004 | $8,0192024 | Amount on Record Feb 2002 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
4 bd · 1.5 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $25,000Apr 1997 | $8172025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,255 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $672,000Jun 2023 | $9,6602025 | —Oct 2001 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 2 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Nov 2010 | $4,3242025 | —Jan 2017 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000May 2010 | $4,2572025 | —Oct 2013 | 1 Name on Record | AssessorUpdated Oct 2025 |
3 bd · 2 ba · 1,137 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Apr 2010 | $4,6972025 | 3 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
2 bd · 1 ba · 856 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $164,500Mar 2011 | $3,4962025 | —Feb 2013 | 1 Name on Record | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $177,000Mar 2011 | $4,0822024 | —Jul 2006 | 1 Name on Record | AssessorUpdated Apr 2026 |
4 bd · 1.5 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,8602025 | —Jan 2022 | 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $212,000Aug 2011 | $4,1972025 | —Oct 2013 | 1 Name on Record | AssessorUpdated Oct 2025 |
3 bd · 2 ba · 1,255 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Aug 2008 | $4,6162025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,6822025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 856 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $317,000Jul 2004 | $6,3242025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $759,000Mar 2026 | $3,9822025 | Amount on Record Apr 2011 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,255 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $235,000Jun 2010 | $4,5762025 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 2.5 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $106,000Sep 1988 | $3,2582025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,0782025 | Amount on Record Aug 2002 | 1 Name on Record | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,137 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Jul 2021 | $10,3432024 | —Nov 2020 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 1.5 ba · 1,125 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $835,000Jan 2025 | $9,6472025 | —Sep 2021 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Oct 2018 | $10,4102025 | —Nov 2015 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Oct 2025 |
3 bd · 1 ba · 1,000 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000Sep 2008 | $3,9172025 | Amount on Record Mar 2008 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
2 bd · 1 ba · 856 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $211,000Aug 2008 | $4,1772025 | Amount on Record Jan 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 1992 | $4,3082025 | 2 Names on Record | AssessorUpdated Aug 2026 |
3 bd · 1.5 ba · 1,137 sqft · 0.033 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,4812025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Apr 2011 | $3,9822025 | —Jun 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1994 | $2,5252025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000Jul 2017 | $8,1602025 | —Nov 2010 | 1 Name on Record | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 2,676 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $127,000Jan 1994 | 1 Name on Record | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,9662025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 1,583 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2005 | $4,6022025 | 2 Names on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,137 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $192,500Jan 2018 | $8,3322024 | Amount on Record Dec 2014 | 1 Name on Record Owner Occupied | Assessor + 6 DocumentsUpdated May 2026 |
4 bd · 1.5 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,9682025 | 1 Name on Record | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $387,500Apr 2014 | $6,7382025 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $397,000May 2014 | $6,9782025 | Amount on Record Nov 2009 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $617,500Dec 2019 | $9,2712025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2025 |
4 bd · 3 ba · 1,583 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Nov 2002 | $6,6882025 | 3 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Nov 2025 |
4 bd · 3 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,909Aug 2016 | $4,5422025 | Amount on Record Jul 2016 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000Sep 2013 | $6,9122024 | Amount on Record Jan 2010 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1.5 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $120,000Jun 1995 | $3,2742025 | —Jun 1995 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 1.5 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $481,000Aug 2016 | $7,7932025 | 2 Names on Record Owner Occupied | Assessor + 8 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,255 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Nov 2000 | $5,9712025 | —Sep 2001 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
4 bd · 2.5 ba · 1,583 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,7592025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 bd · 1 ba · 856 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000May 2022 | $9,9352024 | Amount on Record Feb 2022 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2026 |
3 bd · 2 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $571,000May 2019 | $8,8752025 | —Aug 2018 | 2 Names on Record | Assessor + 3 DocumentsUpdated Oct 2025 |
3 bd · 2 ba · 1,137 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $715,000Sep 2021 | $10,4132025 | —Feb 2007 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $286,000Nov 2000 | $6,1872025 | —Dec 2016 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
2 bd · 1 ba · 856 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Oct 2009 | $3,5242025 | —Apr 2008 | 1 Name on Record | AssessorUpdated Oct 2025 |
3 bd · 1.5 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $451,000Apr 2005 | $8,9592024 | Amount on Record Apr 2004 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 1.5 ba · 1,255 sqft · 0.041 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,8572025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 1.5 ba · 1,255 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $305,000Oct 2003 | $6,2212025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 1,342 sqft · 0.033 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $815,000Sep 2023 | $11,2402025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2025 |
4 bd · 3 ba · 1,583 sqft · 0.036 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $328,000Jan 2001 | $6,9852025 | Amount on Record Oct 1996 | 1 Name on Record Owner Occupied | AssessorUpdated Oct 2025 |
3 bd · 2 ba · 1,137 sqft · 0.038 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2011 | $4,0942025 | —Aug 2010 | 2 Names on Record | AssessorUpdated Oct 2025 |