The mission of the broad brook community center, inc. is to preserve and care for guilfords historic grange hall by revitalizing it as a gathering place for activities that foster community spirit, honor our community heritage, and spark creative ways to enhance the well-being of, and serve, the people of guilford now and for generations to come.we envision a refreshed and accessible broad brook community center serving as a home for activities that foster community spirit and honor our rural heritage. the center will be the catalyst, a spark for creative ways to enhance the lives of the people who live here, now and in the future.