Boulder County property records for 14 addresses on 21st St, Longmont, CO · Last verified October 2026
| Properties | 14 |
|---|---|
| Median Sale Price | $425,000 |
| Deeds and Mortgages on File | 19 |
| Median Price per Sqft | $208 |
| Owner Occupied | 86% |
| Median Annual Tax Bill | $3,900 |
| Median Year Built | 1973 |
| Median Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.399 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,000Feb 1991 | $1072025 | Amount on Record Feb 1989 | 2 Owners on Record | AssessorUpdated Jun 2026 |
4 bd · 1.75 ba · 2,040 sqft · built 1974 · 1.04 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Aug 2016 | $3,7582025 | Amount on Record May 2006 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
3 bd · 1.75 ba · 2,000 sqft · built 1974 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $256,950Apr 2002 | $3,0952025 | Amount on Record Aug 1974 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Sep 2026 |
3 bd · 1.75 ba · 1,693 sqft · built 1985 · 1.02 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,500Aug 1973 | $4,0772025 | —Oct 2023 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Sep 2026 |
4 bd · 3.25 ba · 1,864 sqft · built 1971 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000Jan 2018 | $4,6862025 | —Jul 2006 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
3 bd · 1.75 ba · 1,496 sqft · built 1975 · 1.04 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,500Aug 1973 | $3,5322025 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
3 bd · 3.25 ba · 2,142 sqft · built 1966 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Mar 2005 | $4,0092025 | Amount on Record Aug 2000 | Owner on Record Owner Occupied | AssessorUpdated Sep 2026 |
3 bd · 2 ba · 2,992 sqft · built 1967 · 1.03 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $414,500Apr 2006 | $3,7692025 | Amount on Record May 1994 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
3 bd · 1.75 ba · 1,866 sqft · built 1964 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000Jul 2019 | $3,9002025 | Amount on Record May 2010 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |
3 bd · 2.25 ba · 2,649 sqft · built 1973 · 1.52 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $168,000Sep 1996 | $4,3302025 | Amount on Record Jul 1990 | 2 Owners on Record Owner Occupied | AssessorUpdated Sep 2026 |
3 bd · 2.75 ba · 2,412 sqft · built 1971 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $282,000Jul 2009 | $4,3532025 | Amount on Record Dec 2008 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
3 bd · 2.25 ba · 2,400 sqft · built 1973 · 0.547 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Jan 2021 | $4,7252025 | Amount on Record May 2020 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
3 bd · 2.75 ba · 1,904 sqft · built 1977 · 0.878 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $92,000Apr 1988 | $3,0882025 | Amount on Record Oct 1977 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2026 |
3 bd · 1.75 ba · 1,580 sqft · built 1978 · 0.867 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $280,000Jun 1999 | $3,6222025 | Amount on Record Feb 1996 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2026 |