Boulder County property records for 30 addresses on 51st St, Boulder, CO · Last verified August 2026
| Properties | 30 |
|---|---|
| Median Sale Price | $1,100,000 |
| Deeds and Mortgages on File | 43 |
| Median Price per Sqft | $431 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $9,129 |
| Median Year Built | 1965 |
| Median Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 1.75 ba · 2,440 sqft · 0.901 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,100,000Nov 2023 | $8,2242025 | Sale Amount Jul 1969 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,922 sqft · 0.891 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $532,500Aug 2008 | $7,7082025 | Sale Amount Jun 1997 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 3.75 ba · 3,124 sqft · 1.81 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $570,000May 2001 | $11,2472025 | Sale Amount Aug 1969 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 3,788 sqft · 0.875 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $185,000Oct 1992 | $8,4562025 | —Mar 1991 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1.5 ba · 2,469 sqft · 2.52 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,294,005Nov 2021 | $9,1292025 | —Feb 1989 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Aug 2026 |
4 bd · 5.75 ba · 5,834 sqft · 0.866 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $567,000Nov 2012 | $17,7742025 | Sale Amount Jul 2011 | 2 Names on Record | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 1 ba · 2,826 sqft · 0.903 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,500Jul 2004 | $6,9232025 | Sale Amount Jan 1986 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
7.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000Feb 1989 | Sale Amount — | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1.75 ba · 1,497 sqft · 1.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $473,000Aug 2005 | $6,3162025 | —May 1992 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jun 2026 |
3 bd · 1.75 ba · 4,247 sqft · 2.83 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 1988 | $6,6812025 | —Nov 1986 | 2 Names on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 1.5 ba · 3,374 sqft · 0.92 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $960,000May 2019 | $8,4382025 | —Oct 1967 | 1 Name on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jun 2026 |
3 bd · 3.5 ba · 4,553 sqft · 2.3 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $663,500Nov 2006 | $10,5252025 | —Jul 2006 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 6,193 sqft · 6.84 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1998 | $8,6472025 | —Mar 1998 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
2 bd · 1.5 ba · 2,058 sqft · 2.02 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Nov 1998 | $10,6182025 | Sale Amount Jun 1987 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
5 bd · 6.5 ba · 8,263 sqft · 2.16 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Jul 1998 | $22,7582025 | Sale Amount Jun 1987 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
55.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $389,100Jan 1985 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 3.25 ba · 6,603 sqft · 4.52 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2007 | $9,6442025 | —Nov 1988 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2.5 ba · 3,531 sqft · 1.89 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 1992 | $9,6842025 | Sale Amount Jul 1991 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 4.25 ba · 5,166 sqft · 3.87 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,137,500Jul 2017 | $16,2742025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 1.75 ba · 3,999 sqft · 2.21 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 2021 | $9,7912025 | —Jun 1976 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 1,736 sqft · 1.71 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,000Jan 2025 | $18,5122025 | Sale Amount Jun 2016 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 4.25 ba · 4,770 sqft · 5.83 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $127,500Mar 2008 | $14,6852025 | Sale Amount Aug 2006 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 bd · 2.5 ba · 2,168 sqft · 0.923 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,389,000Jul 2024 | $8,1112025 | Sale Amount Jun 2006 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 bd · 1 ba · 1,524 sqft · 0.948 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,0522025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 1.5 ba · 2,408 sqft · 1.93 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2020 | $2,7812025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1 ba · 1,794 sqft · 7.89 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $775,000Jan 2014 | $6,2802025 | Sale Amount Jan 1996 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 1.5 ba · 2,832 sqft · 1.86 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Nov 1996 | $9,8862025 | —Jan 1993 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
0.962 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $690,000May 1992 | —Sep 1982 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
5 bd · 2 ba · 3,742 sqft · 56.6 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $690,000May 1992 | —Sep 1982 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 bd · 1 ba · 2,349 sqft · 539 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 1974 | —Apr 1973 | 1 Name on Record | AssessorUpdated Jun 2026 |