Connecticut town file
Haddam
Property tax base (net grand list), from the Connecticut Open Data Portal — every number fetched, never typed. This is one row of the full story with the chart and the query.
| Net grand list, 2025 | $1,442,183,384 |
| Net grand list, prior vintage | $1,008,634,487 |
| Change in two years | $433,548,897 (+43.0%) |
| Rank among 169 Connecticut places | 11 of 169 |
| Statewide median change (for context) | +1.2% |