| Glastenbury - Property Tax Rates | FIPS Code=3018 |
| Year | Effective Tax Rate |
| 1970 | n/a |
| 1972 | n/a |
| 1974 | n/a |
| 1978 | n/a |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | n/a | 0 | n/a | |
| 1982 | 0 | n/a | n/a | |
| 1983 | n/a | Not Available | Not Available | |
| 1985 | 0.11 | Not Available | Not Available | |
| 1987 | 0.49 | Not Available | Not Available | |
| 1988 | 0.45 | 0.45 | 0 | |
| 1989 | 0.41 | 0.41 | 0 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 0.41 | 0.37 | 0.37 |
| 1991 | 0 | 0.43 | 0.43 |
| 1993 | 0 | 0.44 | 0.44 |
| 1995 | 0 | 0.43 | 0.43 |
| 1997 | 0 |