Courthouses in Groton, Connecticut, the US. Courthouses locations in Groton, Connecticut. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School Travel University All courthouses in Groton Groton Probate Court Courthouse +1 860-441-6655 45 Fort Hill Road, Groton, Connecticut 06340 Write a review Phone Website Directions