The Sterling Masonic Temple is a historic Masonic Temple located at 111-113 West 3rd Street in Sterling, Illinois. The building was constructed in 1899-1900 to be the new headquarters for the city's Masonic lodge, as its former meeting place had burned down in 1898. The lodge, formally known as the Rock River Lodge Number 612 A.F. & A.M., first met in 1869 and was the town's second chapter of the Masons. Architect George W. Ashby designed the lodge's new building in the Chateauesque style. The building's design includes a steep mansard roof with equally steep dormers adorned with pinnacles, buttresses topped by ornamental griffins, and a brick and stone exterior. The Masons met on the third story, as Masonic meeting rooms were typically elevated for secrecy; the lower two floors were rente