Finances in Union, Connecticut, the US. Finances locations in Union, Connecticut. Find the nearest finances locations, near you. All types of business services Accounting Finance All finances in Union Union Assessors Office Finance Accounting +1 860-684-5705 1043 Buckley Highway, Union, Connecticut 06076 Write a review Phone Website Directions Union Town Treasurer Finance Accounting +1 860-684-8831 1043 Buckley Highway, Union, Connecticut 06076 Write a review Phone Directions