The scope includes all buildings except detached one- and two-family dwellings and townhouses up to three stories. Previous editions of the IBC have been adopted at the state or local level in all 50 United States plus Washington D.C.
ICC has also prepared Earthquake Spectral Response Acceleration Maps in conjunction with the U.S. Geological Survey, Building Seismic Safety Council, Federal Emergency Management Agency, and E.V. Leyendecker, A.D. Frankel, and K.S. Rukstales of the U.S. Geological Survey that will assist you with the Building and Residential Codes.