The Waltham Elks Lodge is a nonprofit organization and function hall (available for rent to the general public). It's open to new members. The Elks (officially called the Benevolent & Protective Order of Elks) is a fraternal club established in 1868 with more than 2,000 lodges in the U.S., including Waltham. The main entrance to the lodge is in the rear of the building. Inquire within or call regarding membership.