Today i received a call for sod install, just curious on your numbers. Im in Michigan. The area is 3700 sq ft. approx 415 yds of sod Site needs prep work.. construction was goin on and 2"or so of clay need to be removed (Possibly) and install 3" of topsoil. (Commercial Property) Prep-grade-install sod = $3300.00 LOW? HIGH? AVG? thanks.