Max Mortgage Interest Deduction 2025. As a taxpayer, you can fully deduct most interest paid on home mortgages if all the internal revenue service’s (irs) requirements are met. The mortgage interest deduction of up to $750,000 per year of the debt incurred on a first or second home for itemizing taxpayers represents one of the many aspects of the tax.

The tax cuts and jobs act reduced the amount of. For mortgages taken out after 2025 and before 2018, different limits apply.