“Home mortgage interest. You can deduct home mortgage interest on the first $750,000 ($375,000 if married filing separately) of indebtedness. However, higher l

“Home mortgage interest. You can deduct home mortgage interest on the first $750,000 ($375,000 if married filing separately) of indebtedness. However, higher limitations ($1 million ($500,000 if married filing separately)) apply if you are deducting mortgage interest from indebtedness incurred before December 16, 2017.” https://www.irs.gov/publications/p936 https://www.irs.gov/publications/p936