| Calais - Property Tax Rates | FIPS Code=23025 |
| Year | Effective Tax Rate |
| 1970 | 2.07 |
| 1972 | 2.71 |
| 1974 | 1.68 |
| 1978 | 1.91 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | 1.94 | 0.24 | 1.70 | |
| 1982 | 1.68 | 0.36 | 1.32 | |
| 1983 | 1.67 | Not Available | Not Available | |
| 1985 | 1.80 | Not Available | Not Available | |
| 1987 | 1.88 | Not Available | Not Available | |
| 1988 | 1.40 | 0.32 | 1.08 | |
| 1989 | 1.56 | 0.39 | 1.17 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 1.51 | 0.36 | 1.15 |
| 1991 | 1.56 | 0.39 | 1.17 |
| 1993 | 1.71 | 0.33 | 1.38 |
| 1995 | 1.99 | 0.40 | 1.59 |
| 1997 | 2.36 | 0.45 | 1.91 |