Some local big-box stores are challenging their property assessments. Four prominent chains all filed mid-July challenges in state Supreme Court in an apparent attempt to lower their property taxes. Walmart, a big part of the Route 60 business strip, wants its town of Pomfret assessment set at $475,000. It is currently $1.9 million. Another sizable Route 60 establishment, this one in the town of Dunkirk, is going to court over its assessment. Home Depot wants the town to assess its property at $2.5 million. The assessment is currently $4,702,000. Tractor Supply Co. is going up ...