The Las Vegas valley has had a higher rate of homes with casitas than most American cities for decades. Several factors drive this. The city’s tourism economy means many families host extended visits from out-of-town relatives, which makes separate guest quarters valuable. Las Vegas’s larger luxury lot sizes (compared to coastal markets at similar price points) make detached casitas physically possible on more properties. Architectural traditions in the region have long included separate quarters as a design feature. With Nevada AB 396 effective July 1, 2026, and the Harvard JCHS 2026 report documenting the national multigenerational trend, the existing Las Vegas preference for casitas is now aligned with both state law and national demographics. Demand is increasing, not decreasing.