Suffolk County and Brookhaven Town property records for 35 addresses on Rte 25a, Mount Sinai, NY · Last verified October 2026
| Properties | 35 |
|---|---|
| Median Sale Price | $830,000 |
| Deeds and Mortgages on File | 27 |
| Average Living Area | 950 sq ft |
| Median Annual Tax Bill | $19,753 |
| Average Year Built | 1960 |
| Median Ownership Tenure | 18 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
191 Rte 25a |
1.01 acres | $600,000 Oct 2001 | $43,896 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
251 Rte 25a |
2.61 acres | $2,385,000 May 2001 | $95,773 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
269 Rte 25a |
2.48 acres | $410,000 May 1997 | $44,766 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
271 Rte 25a |
3.91 acres | $2,000,000 Jul 2009 | $153,190 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
276 Rte 25a |
0.78 acres | $7,981 2023 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
281 Rte 25a |
0.419 acres | $212,500 Dec 2000 | $21,549 2024 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
316 Rte 25a |
2 bd · 1 ba · 950 sqft built 1960 · 0.26 acres | $9,008 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
331 Rte 25a |
2.41 acres | $1,550,000 Aug 1997 | $91,783 2024 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
340 Rte 25a |
0.569 acres | $387,500 Oct 2015 | $25,141 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
354 Rte 25a |
0.15 acres | $172,000 Jan 1999 | $9,717 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
362 Rte 25a |
0.18 acres | $7,742 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
365 Rte 25a |
0.139 acres | $450,000 Jan 2024 | $13,927 2024 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
381 Rte 25a |
0.68 acres | $34,798 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
388 Rte 25a |
0.38 acres | $22,128 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
400 Rte 25a |
0.38 acres | $580,000 Mar 2004 | $21,549 2024 | Assessor + 3 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
401 Rte 25a |
0.539 acres | $30,000 May 1994 | $16,282 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
449 Rte 25a |
0.31 acres | $830,000 Dec 2024 | $19,753 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
456 Rte 25a |
1.51 acres | $10,256 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
465 Rte 25a |
0.75 acres | $22,347 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
515 Rte 25a |
1.81 acres | $2,750,000 Dec 2022 | $43,697 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
516 Rte 25a |
0.23 acres | $64,000 Aug 1995 | $11,972 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
530 Rte 25a |
0.7 acres | $13,266 Jan 2018 | $6,185 2024 | Assessor + 3 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
561 Rte 25a |
0.88 acres | $750,000 May 2014 | $17,958 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
569 Rte 25a |
0.43 acres | $375,500 Jan 2017 | $16,162 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
594 Rte 25a |
0.719 acres | $23,145 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
600 Rte 25a |
0.38 acres | $13,468 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
620 Rte 25a |
4.43 acres | $90,147 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
621 Rte 25a |
0.2 acres | $13,967 2024 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
700 Rte 25a |
0.7 acres | $288,500 Feb 1994 | $11,852 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
767 Rte 25a |
0.73 acres | $1,100,000 Jul 2017 | $33,122 2024 | Assessor + 2 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
875 Rte 25a |
0.319 acres | $275,000 Feb 2004 | $8,380 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
905 Rte 25a |
0.48 acres | $500,000 Feb 2010 | $15,164 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1028 Rte 25a |
1.06 acres | $2,400,000 Mar 2008 | $33,920 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1060 Rte 25a |
0.889 acres | $180,000 Mar 1998 | $13,967 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10295 Rte 25a |
2.7 acres | $1,850,000 May 2025 | $25,141 2024 | Assessor Updated Sep 2026 | Owner on File |