Theatre House is a theatrical supply store at 4025 S Mason Street in Fort Collins, serving northern Colorado since 1955. The shop carries a full line of stage and theatre supplies, including Ben Nye and Mehron makeup, wigs, props, costumes, elastic, hats, and costume fabric, along with stage lighting. It holds the largest regional selection of Ben Nye, Mehron, and costume fabric, and it stocks costumes and accessories for Halloween, Mardi Gras, Easter, Christmas, and New Year’s productions and events. The store is open seven days a week and ships nationwide through its website. As a member of the Colorado LGBTQ Chamber of Commerce, Theatre House serves the LGBTQ+ business community in Fort Collins.