A Democrat, he represented the 16th district in Wayne County, and includes the portions of Dearborn Heights, Garden City, Inkster and Allen Park.
Constan practiced law as an attorney for 25 years, representing the Michigan Democratic Party on voter protection issues.
On November 7, 2006, Constan won the election and became a Democratic member of Michigan House of Representatives for district 16.
[2][1] After his term as a legislator expired, Constan returned to the private practice of law in Dearborn Heights.
While Constan was still in the state legislature, he ran for Dearborn Heights City clerk and lost in a narrow defeat, coming in third in a field of three, thus failing to make the general election.