According to this article in Business Insider, both the House and Senate versions of the GOP tax cut will eliminate one of the biggest tax benefits for homeowners.
The GOP is set to eliminate one of the biggest benefits of owning a home
Housing-industry trade organizations immediately condemned House Republicans’ tax bill when it passed in mid-November. Senate Republicans’ version passed over the weekend. Unlike the House’s bill, it doesn’t halve the mortgage interest deduction, but it could still remove tax benefits for homeowners.