Suffolk County and Brookhaven Town property records for 44 addresses on Commonwealth Ave, Lake Grove, NY · Last verified October 2026
| Properties | 44 |
|---|---|
| Median Sale Price | $505,000 |
| Deeds and Mortgages on File | 53 |
| Median Price per Sqft | $458 |
| Owner Occupied | 86% |
| Median Annual Tax Bill | $9,045 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3 Commonwealth Ave |
3 bd · 1 ba · 2,553 sqft built 1955 · 0.46 acres | $620,000 May 2023 | $13,348 2024 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 Commonwealth Ave |
5 bd · 1 ba · 1,946 sqft built 1983 · 0.23 acres | $257,500 Jan 2002 | $12,289 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 Commonwealth Ave |
3 bd · 2 ba · 1,390 sqft built 1960 · 0.319 acres | $11,735 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
6 Commonwealth Ave |
3 bd · 1 ba · 1,954 sqft built 1986 · 0.23 acres | $505,000 Mar 2022 | $12,057 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7 Commonwealth Ave |
6 bd · 2 ba · 2,166 sqft built 1955 · 0.219 acres | $290,500 Oct 2010 | $10,998 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 Commonwealth Ave |
3 bd · 2 ba · 1,538 sqft built 1952 · 0.139 acres | $12,488 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9 Commonwealth Ave |
1 bd · 1 ba · 888 sqft built 1955 · 0.219 acres | $505,000 Jan 2024 | $6,893 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 Commonwealth Ave |
2 bd · 1 ba · 819 sqft built 1955 · 0.21 acres | $90,000 Apr 1998 | $6,264 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 Commonwealth Ave |
3 bd · 1 ba · 1,040 sqft built 1955 · 0.18 acres | $225,000 Oct 2005 | $8,416 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Commonwealth Ave |
2 bd · 1 ba · 980 sqft built 1955 · 0.21 acres | $250,000 Feb 2012 | $7,555 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Commonwealth Ave |
3 bd · 2 ba · 1,560 sqft built 1955 · 0.3 acres | $8,189 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 Commonwealth Ave |
3 bd · 2 ba · 1,716 sqft built 1956 · 0.21 acres | $530,000 Aug 2023 | $8,827 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
16 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1955 · 0.219 acres | $112,000 Nov 1997 | $5,834 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17 Commonwealth Ave |
3 bd · 1 ba · 1,140 sqft built 1955 · 0.219 acres | — Feb 2022 | $9,045 2024 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Commonwealth Ave |
4 bd · 2 ba · 852 sqft built 1955 · 0.219 acres | $140,000 Jun 1999 | $7,985 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1956 · 0.219 acres | $8,184 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Commonwealth Ave |
2 bd · 1 ba · 1,000 sqft built 1955 · 0.219 acres | $120,000 Jun 1998 | $8,093 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1956 · 0.219 acres | $6,027 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1955 · 0.239 acres | $220,000 Dec 2011 | $8,184 2024 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
23 Commonwealth Ave |
4 bd · 2 ba · 2,728 sqft built 1956 · 0.339 acres | — Aug 2021 | $13,994 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
24 Commonwealth Ave |
3 bd · 2 ba · 1,060 sqft built 1955 · 0.23 acres | $575,000 Dec 2021 | $13,994 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Commonwealth Ave |
3 bd · 1 ba · 1,065 sqft built 1955 · 0.189 acres | $650,000 Nov 2021 | $8,400 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
26 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1956 · 0.219 acres | $6,479 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Commonwealth Ave |
3 bd · 1 ba · 780 sqft built 1956 · 0.21 acres | $11,589 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1955 · 0.23 acres | $159,700 Jun 2001 | $14,225 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
30 Commonwealth Ave |
3 bd · 3 ba · 1,365 sqft built 1956 · 0.219 acres | $340,000 Oct 2008 | $11,089 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1955 · 0.3 acres | $7,528 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
32 Commonwealth Ave |
2 bd · 1 ba · 980 sqft built 1956 · 0.219 acres | $386,000 Aug 2020 | $8,937 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
33 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1955 · 0.36 acres | $6,049 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
34 Commonwealth Ave |
3 bd · 2 ba · 1,560 sqft built 1955 · 0.219 acres | $295,000 Oct 2016 | $10,444 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
35 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1955 · 0.36 acres | $405,000 Jun 2023 | $9,681 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
36 Commonwealth Ave |
2 bd · 1 ba · 1,140 sqft built 1955 · 0.23 acres | $280,000 Nov 2012 | $9,599 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
37 Commonwealth Ave |
3 bd · 2 ba · 1,080 sqft built 1955 · 0.36 acres | $495,000 Apr 2025 | $7,555 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
38 Commonwealth Ave |
3 bd · 1 ba · 1,260 sqft built 1956 · 0.25 acres | $376,000 Sep 2018 | $10,121 2024 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
39 Commonwealth Ave |
2 bd · 1 ba · 780 sqft built 1956 · 0.36 acres | $200,000 Jul 2013 | $14,871 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
40 Commonwealth Ave |
3 bd · 1 ba · 780 sqft built 1955 · 0.23 acres | $5,834 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
41 Commonwealth Ave |
4 bd · 2 ba · 2,600 sqft built 1973 · 0.23 acres | $469,100 Jul 2017 | $14,209 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
42 Commonwealth Ave |
3 bd · 2 ba · 2,864 sqft built 1954 · 0.23 acres | $11,428 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
43 Commonwealth Ave |
3 bd · 2 ba · 1,584 sqft built 1954 · 0.23 acres | $10,137 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
44 Commonwealth Ave |
2 bd · 1 ba · 800 sqft built 1955 · 0.25 acres | $430,000 Aug 2026 | $7,324 2024 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45 Commonwealth Ave |
3 bd · 1 ba · 962 sqft built 1954 · 0.23 acres | $106,000 Apr 1997 | $6,264 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
46 Commonwealth Ave |
2 bd · 1 ba · 800 sqft built 1955 · 0.25 acres | $360,000 Sep 2007 | $9,922 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
47 Commonwealth Ave |
3 bd · 2 ba · 1,414 sqft built 1954 · 0.23 acres | $11,880 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Commonwealth Ave |
3 bd · 2 ba · 1,513 sqft built 1955 · 0.219 acres | $455,000 Mar 2024 | $7,966 2024 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |