Boulder County property records for 47 addresses on Boston Ave, Longmont, CO · Last verified October 2026
| Properties | 47 |
|---|---|
| Median Sale Price | $850,000 |
| Deeds and Mortgages on File | 44 |
| Median Price per Sqft | $152 |
| Owner Occupied | 28% |
| Median Annual Tax Bill | $43,475 |
| Median Year Built | 1985 |
| Median Ownership Tenure | 13 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
105 Boston Ave |
built 2019 · 66.2 acres | — Dec 2016 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
180 Boston Ave |
1.6 acres | — Dec 2016 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
310 Boston Ave |
1.07 acres | — Dec 2016 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
500 Boston Ave |
0.485 acres | $225,000 Jan 2025 | $16,455 2024 | Assessor + 1 Document Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
730 Boston Ave |
14,400 sqft built 1974 · 0.394 acres | $520,000 Dec 2015 | $20,081 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
740 Boston Ave |
4,800 sqft built 1973 · 0.988 acres | $850,000 Sep 2023 | $31,932 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
750 Boston Ave |
5,246 sqft built 1958 · 3.11 acres | $400,000 May 1998 | $39,028 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
780 Boston Ave |
79,022 sqft built 1999 · 6.69 acres | — Jul 1989 | $356,286 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
940 Boston Ave |
10,194 sqft built 1985 · 0.41 acres | $75,000 Aug 2008 | $43,475 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
950 Boston Ave |
4,215 sqft built 1978 · 0.299 acres | $740,000 Dec 2018 | $23,859 2025 | Assessor + 6 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
951 Boston Ave |
0.418 acres | — Oct 1987 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1001 Boston Ave |
1.14 acres | — Aug 1977 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1030 Boston Ave |
3,923 sqft built 1987 · 0.307 acres | $508,750 Jun 2016 | $19,498 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1040 Boston Ave |
4,350 sqft built 1979 · 0.468 acres | $73,632 Feb 2026 | $24,496 2025 | Assessor + 3 Documents Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1060 Boston Ave |
0.453 acres | $560,000 Dec 2013 | $8,168 2025 | Assessor Updated Feb 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1070 Boston Ave |
5,000 sqft built 1989 · 0.566 acres | $277,647 Nov 2025 | $25,353 2024 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1090 Boston Ave |
0.506 acres | — Oct 2013 | $5,533 2025 | Assessor Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1091 Boston Ave |
2.46 acres | — Aug 1985 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1100 Boston Ave |
0.365 acres | $196,000 Aug 2008 | $4,742 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1110 Boston Ave |
11,680 sqft built 1995 · 0.571 acres | $28,800 Oct 1992 | $58,805 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1120 Boston Ave |
5,589 sqft built 2016 · 0.276 acres | $1,385,000 Jun 2024 | $30,196 2025 | Assessor + 6 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1140 Boston Ave |
11,180 sqft built 1988 · 1.07 acres | $45,599 2025 | Assessor + 1 Document Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1142 Boston Ave |
0.462 acres | — Nov 2018 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1198 Boston Ave |
42,500 sqft built 1965 · 2.08 acres | $6,500,000 Jul 2025 | $107,074 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1205 Boston Ave |
1,500 sqft built 1964 · 0.484 acres | $375,000 Jul 2017 | $12,413 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1215 Boston Ave |
3,422 sqft built 1965 · 0.331 acres | $550,000 Jul 2017 | $12,729 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1220 Boston Ave |
42,165 sqft built 1960 · 1.91 acres | $330,000 Aug 1990 | $125,779 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1224 Boston Ave |
11,648 sqft built 1964 · 0.715 acres | $89,000 Aug 1988 | $45,452 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1232 Boston Ave |
25,181 sqft built 1968 · 1.82 acres | $1,300,000 Feb 2019 | $108,934 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1235 Boston Ave |
14,540 sqft built 1963 · 2.87 acres | $700,000 Dec 2005 | $56,033 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1245 Boston Ave |
2,400 sqft built 1963 · 2 acres | $660,000 May 2013 | $34,389 2023 | Assessor Updated Mar 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1265 Boston Ave |
23,895 sqft built 1963 · 2.12 acres | $995,000 Dec 2013 | $73,777 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1270 Boston Ave |
27,530 sqft built 1969 · 3.21 acres | $1,168,000 Aug 2015 | $100,626 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1275 Boston Ave |
1.57 acres | — Jun 2021 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1276 Boston Ave |
0.124 acres | — Jan 2022 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1290 Boston Ave |
16,600 sqft built 1959 · 1.13 acres | $582,000 Jun 1997 | $63,685 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1541 Boston Ave |
6,254 sqft built 2012 · 13.6 acres | — Aug 2012 | $88,586 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1800 Boston Ave |
1,849 sqft built 1970 · 1.42 acres | $425,000 Feb 2012 | $29,692 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1801 Boston Ave |
7,500 sqft built 1988 · 2.37 acres | $455,000 Oct 2010 | $40,635 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1812 Boston Ave |
3 bd · 1 ba · 22,521 sqft built 1996 · 2.57 acres | $145,994 Feb 2001 | $54,299 2023 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1816 Boston Ave |
3 bd · 1 ba · 20,924 sqft built 1996 · 1.34 acres | $65,980 2023 | Assessor + 1 Document Updated Mar 2024 | — |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1821 Boston Ave |
5,040 sqft built 1986 · 1.78 acres | $282,600 Oct 1997 | $33,927 2025 | Assessor Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1830, #A Boston Ave |
15,288 sqft built 1996 · 1.58 acres | $1,249,600 Feb 2013 | $64,718 2025 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1830, #B Boston Ave |
3,891 sqft built 1996 · 0.395 acres | $440,000 Sep 2013 | $19,548 2025 | Assessor Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1831 Boston Ave |
19,400 sqft built 1998 · 1.79 acres | $145,811 Oct 1995 | $71,305 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1840 Boston Ave |
19,670 sqft built 1996 · 1.84 acres | $175,729 Mar 1996 | $83,002 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1841 Boston Ave |
14,750 sqft built 1995 · 3.99 acres | $512,865 May 1995 | $63,237 2025 | Assessor Updated Sep 2026 | Owner on File |