Mark Zettell

Mark Zettell

Tax Managing Director


BDO Grand Rapids Office



Executive Summary

Mark is a professional engineer with 30 years of experience in cost segregation services, green energy tax services, structural design and construction management. He performs construction cost segregation analyses of newly constructed or acquired facilities to increase cash flow through accelerated depreciation of construction costs and identification of allowable green energy tax incentives. His experience includes analyses of various types of facilities including manufacturing, retail, banking, hotel and lodging, and power generation, as well as integrated data recovery centers. He also performs cost analyses for construction-related litigation.
Mark has significant experience in the natural resources industry, specifically in alternative energy.  He has assisted clients in maximizing available Sec. 48 energy tax credits and Sec. 1603 grants related to solar and geothermal installations. Mark also helps clients take advantage of the Sec. 179D energy efficient commercial building tax deduction related to new building construction and renovations of existing buildings.

Professional Affiliations

American Society of Civil Engineers
Professional Engineer – Michigan and Illinois


B.S.C.E., University of Michigan