KB Home operates as a homebuilding company in the United States. The company operates through four segments: West Coast, Southwest, Central, and Southeast. It builds and sells a variety of homes, including attached and detached single-family residential homes, townhomes, and condominiums primarily for first-time, first move-up, second move-up, and active adult homebuyers. The company also provides financial services, such as mortgage banking services comprising residential consumer mortgage loan originations to homebuyers; property and casualty insurance services, as well as earthquake, flood, and personal property insurance products to homebuyers; and title services.