After its old office building was abandoned and demolished after it suffered extensive storm damage in 2024, Grant’s Gardens is taking steps to build a new, raised building on the same lot.On Tuesday, the town of Longboat Key’s Planning and Zoning Board discussed a proposal by the landscaping company to redevelop a parcel the company purchased for $570,000 in 2021. Town Planner Tate Taylor presented the plans for a raised, 756-square-foot buildi…