| Chelsea - Property Tax Rates | FIPS Code=17020 |
| Year | Effective Tax Rate |
| 1970 | 2.14 |
| 1972 | 1.78 |
| 1974 | 1.63 |
| 1978 | 2.02 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | 1.82 | 0.49 | 1.33 | |
| 1982 | 1.80 | 0.72 | 1.08 | |
| 1983 | 2.12 | Not Available | Not Available | |
| 1985 | 1.61 | Not Available | Not Available | |
| 1987 | 1.39 | Not Available | Not Available | |
| 1988 | 1.47 | 0.44 | 1.03 | |
| 1989 | 1.45 | 0.46 | 0.99 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 1.31 | 0.43 | 0.88 |
| 1991 | 1.40 | 0.45 | 0.95 |
| 1993 | 1.52 | 0.49 | 1.03 |
| 1995 | 1.73 | 0.51 | 1.21 |
| 1997 | 1.75 | 0.37 | 1.38 |