A bill would raise the tax slapped on sales of homes, warehouses and other real estate in Nevada. : With Nevada’s legislative session underway, a proposal has been made to boost the real estate transfer tax to raise money for mental health care needs and other services, a supporter said Monday. Senate Bill 68 would raise the tax levied on sales of homes, warehouses and other real estate to fund assistance for “very low income housing,” supportive housing and supportive services.