2019 NAHB International Builders' Show® (IBS) is happening from 19 February 2019, Tuesday to 21 February 2019, Thursday at Las Vegas Convention Center in Las Vegas, NV. The organizer of the event is National Association of Home Builders. The event is open to trade visitors. The estimated number of attendance is 85,000. The estimated number of exhibitors is 1,400. The frequency of NAHB IBS is annual. The event has been running since 1944.