Stevens Square at Baxter Woods Building Three Groundbreaking in Portland, Maine – 55+ Active Lifestyle Community   On  December 3, 2025 the Stevens Square community celebrated an exciting milestone: the official groundbreaking of  Building Three , the next major phase in transforming the historic Sisters of Mercy campus in  Portland, Maine  by Developers Collaborative . The morning followed a fresh snowfall, with blue skies and the sun sparkling across the 19-acre campus, se