Groton Town property records for 22 addresses on Allyn St, Mystic, CT · Last verified October 2026
| Properties | 63 |
|---|---|
| Median Sale Price | $490,000 |
| Deeds and Mortgages on File | 75 |
| Median Price per Sqft | $204 |
| Owner Occupied | 84% |
| Median Annual Tax Bill | $7,050 |
| Median Year Built | 2003 |
| Median Ownership Tenure | 9 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3 Allyn St |
3 bd · 1.5 ba · 2,222 sqft built 1946 · 0.355 acres | $7,296 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 Allyn St |
4 bd · 3.5 ba · 2,435 sqft built 1951 · 0.21 acres | $465,000 Apr 2020 | $8,511 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 Allyn St |
5 bd · 2 ba · 2,489 sqft built 1962 · 0.475 acres | $490,000 Aug 2020 | $10,205 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 Allyn St |
3 bd · 2.5 ba · 2,568 sqft built 1952 · 0.405 acres | $292,000 Aug 2003 | $8,047 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Allyn St |
3 bd · 1.5 ba · 1,690 sqft built 1897 · 0.289 acres | $320,000 Aug 2017 | $6,217 2025 | Assessor + 4 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
13 Allyn St |
3 bd · 1 ba · 1,464 sqft built 1890 · 0.344 acres | $5,686 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Allyn St |
3 bd · 1.5 ba · 1,709 sqft built 1952 · 0.28 acres | $365,000 Dec 2019 | $7,604 2025 | Assessor + 5 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Allyn St |
3 bd · 1 ba · 1,216 sqft built 1945 · 0.289 acres | $5,063 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Allyn St |
2 bd · 1.5 ba · 1,411 sqft built 1956 · 0.294 acres | $310,000 Sep 2006 | $5,992 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Allyn St |
3 bd · 2.5 ba · 1,966 sqft built 1956 · 0.525 acres | $425,000 May 2017 | $12,560 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
23 Allyn St |
3 bd · 2 ba · 2,067 sqft built 1927 · 0.435 acres | $176,000 May 1998 | $6,675 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Allyn St |
2 bd · 1 ba · 1,365 sqft built 1930 · 0.26 acres | $4,943 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 1/2 Allyn St |
3 bd · 3 ba · 2,150 sqft built 1980 · 6.86 acres | $11,095 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 Allyn St |
2 bd · 1 ba · 1,139 sqft built 1930 · 0.325 acres | $450,000 Feb 2023 | $6,715 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Allyn St |
3 bd · 1 ba · 1,344 sqft built 1954 · 0.575 acres | $5,806 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Allyn St |
3 bd · 2 ba · 1,385 sqft built 1930 · 0.425 acres | $172,600 Apr 2017 | $7,858 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31 Allyn St |
3 bd · 2 ba · 1,547 sqft built 1958 · 0.25 acres | $163,000 Jun 2001 | $5,960 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
40 Allyn St |
0.46 acres | $1,220,000 Dec 2025 | $11,293 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
42 Allyn St |
0.589 acres | $3,563 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
44 Allyn St |
4 bd · 3 ba · 3,076 sqft built 2023 · 0.6 acres | $1,150,000 Jan 2025 | $17,446 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
46 Allyn St |
0.58 acres | $235,000 Aug 2025 | $3,376 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
375 Allyn St |
42 units · 2,240 sq ft Built 2002 | $599,000 Dec 2025 | $7,050 2025 |