Knox County and South Thomaston Town property records for 3 addresses on Firth Ave, South Thomaston, ME · Last verified August 2026
| Properties | 3 |
|---|---|
| Deeds and Mortgages on File | 1 |
| Average Living Area | 960 sq ft |
| Owner Occupied | 67% |
| Median Annual Tax Bill | $2,961 |
| Median Year Built | 2003 |
| Average Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
13 Firth Ave |
2 bd · 1 ba · 960 sqft built 2017 · 1 acre | $2,961 2025 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Firth Ave |
1 bd · 1 ba · 960 sqft built 2001 · 1 acre | — Nov 2015 | $2,895 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Firth Ave |
3 bd · 1 ba · 960 sqft built 2003 · 1 acre | $2,976 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |