General liability insurance costs in Connecticut average $159 monthly ($1,906 annually) for businesses with one to four employees carrying limits of $1 million per occurrence/$2 million aggregate. This benchmark runs 29% above the national average of $123 monthly, placing Connecticut 45th nationally for affordability.
Connecticut is within a Northeast cost structure where rates vary across neighboring markets. Rhode Island averages $130 a month, Massachusetts $169 and New York $180.
Within the broader Northeast region, Maine ($112) and New Hampshire ($135) run $24 to $47 below Connecticut's benchmark. Connecticut sits in the upper-middle tier of this distribution, exceeding Rhode Island but remaining below both Massachusetts and New York.
Use this state average as a reference point, not a forecast. Use it to gauge whether a quote you receive is in the right ballpark for your type of business, then check the Connecticut general liability insurance cost calculator below for an estimate built around your own business details.





