$240,000 buys the median home in Waterbury right now. With 20% down, that's a $48,000 down payment and a $192,000 loan, set against a $50,000 median household income.
Factor in $420/month for property tax in Waterbury, based on the area's 2.1% effective rate applied to the median home price. That's $5,040 annually.
Connecticut levies a state income tax on top of the $1,771/month this mortgage runs. Model your real after-tax take-home before deciding how much payment you can carry.
Waterbury's cost of living index is 112, above the 100 national baseline. That's on top of the housing numbers above, not instead of them.
Waterbury's median home price runs 19% lower than nearby Bridgeport: $295,000 there versus $240,000 here.