The Belmont Woman’s Club has wrapped up its renovations to the William Flagg Homer House. For more than 150 years, the house has lurked, at times spookily, on its Pleasant Street plot. For the last 99 years, the house has served as the home of the Belmont Woman’s Club. And for more than 10 years, the mansion has been undergoing a much-needed facelift. Using Community Preservation Act money, the Woman’s Club fixed the cupola, the enclosed porch at the top…