The Tempe Municipal Building is an inverted pyramid-shaped building which serves as the city hall of Tempe, Arizona. It was designed by architects Michael Goodwin and Kemper Goodwin, and built during 1969-1971.The building's inverted pyramidal shape helps in keeping the building cool in summer and warm in winter. The ground floor comprises only 2,025 square feet (188.1 m2) of reception space, while the second floor is 5,625 square feet (522.6 m2) and the third floor 10,000 square feet (930 m2).