A stunning gated waterfront manse on Mercer Island is on the market for $9.45 million.
It belongs to entrepreneur Gregg Petrie, the co-founder and president of Copiers Northwest, a Seattle-based office equipment company with 13 northwest offices, and its ancillary company BluZebra, which provides related IT and other business support services.
Petrie, who also has commercial real estate holdings, bought the property in 2002, tore down the existing home a few years later, and had a custom dream…