STOCKBRIDGE — The Select Board has approved a $70 million to $80 million plan to restore the 89-acre Elm Court mansion and develop 74 hotel rooms and 38 residential homesteads, each up to 7,500 square feet.

After six public hearings and a detailed peer review of the amended application, the Select Board voted 3-0 Thursday to approve the project at 310 Old Stockbridge Road, with multiple conditions.

At Thursday's Stockbridge Select Board meeting, Chairwoman Jamie Minacci, at left, with members Chuck Cardillo and Jorja Marsden, studied the Elm Court resort and...