The scope of the International Building Code® (IBC®) includes all buildings except detached one- and two-family dwellings and townhouses up to three stories. For the most current adoptions details go to International Code Adoptions
CODE ALERT! Purchase of the code includes free signup for a subscription to receive critical code updates and free access to videos, book excerpts and training resources.
Design Spectral Response Accelerations are available from the U.S. Geological Survey from the US Seismic Design Map tool. Companion spectral response acceleration maps are also available. The accelerations were developed 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.