| Topsham - Property Tax Rates | FIPS Code=17060 |
| Year | Effective Tax Rate |
| 1970 | 1.26 |
| 1972 | 1.76 |
| 1974 | 1.39 |
| 1978 | 1.71 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | 1.71 | 0.34 | 1.37 | |
| 1982 | 1.13 | 0.38 | 0.75 | |
| 1983 | 1.43 | Not Available | Not Available | |
| 1985 | 1.70 | Not Available | Not Available | |
| 1987 | 1.96 | Not Available | Not Available | |
| 1988 | 2.05 | 0.49 | 1.56 | |
| 1989 | 1.71 | 0.38 | 1.33 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 1.45 | 0.38 | 1.07 |
| 1991 | 1.69 | 0.44 | 1.25 |
| 1993 | 1.54 | 0.47 | 1.07 |
| 1995 | 1.60 | 0.50 | 1.10 |
| 1997 | 1.66 | 0.43 | 1.23 |