As of late January 2026, HB 4136 is fresh off the press, sitting at the House Desk awaiting first reading. No committee assignment yet, no sponsors explicitlyListed on the overview, and no amendments. The full introduced text is available via PDF on OLIS, and the catchline spells it out clearly: the bill disallows the mortgage interest deduction for a residence that isn’t the taxpayer’s principal residence—unless the taxpayer is actively selling the property or has it on the