| Castleton - Property Tax Rates | FIPS Code=21015 |
| Year | Effective Tax Rate |
| 1970 | 2.32 |
| 1972 | 2.29 |
| 1974 | 2.01 |
| 1978 | 2.25 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | 2.72 | 1.11 | 1.61 | |
| 1982 | 1.87 | 0.56 | 1.31 | |
| 1983 | 1.84 | Not Available | Not Available | |
| 1985 | 1.85 | Not Available | Not Available | |
| 1987 | 1.87 | Not Available | Not Available | |
| 1988 | 1.82 | 0.65 | 1.17 | |
| 1989 | 1.76 | 0.52 | 1.24 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 1.74 | 0.44 | 1.30 |
| 1991 | 1.81 | 0.44 | 1.37 |
| 1993 | 1.83 | 0.40 | 1.43 |
| 1995 | 2.21 | 0.54 | 1.67 |
| 1997 | 1.93 | 0.51 | 1.42 |