Mortgage Interest Tax Deduction Guide for Homeowners (2026)
Maximize mortgage interest deduction: loan limit, qualification criteria, deduction calculation, and Schedule A reporting for homeowner tax savings.
Summary
Mortgage interest is deductible for qualified loans. This guide explains loan limits, qualification criteria, and Schedule A reporting for tax savings.
Key Steps
- 1Check loan limit: $750K mortgage cap for deduction (post-2017 loans).
- 2Verify loan purpose: acquisition debt (buy/build) vs home equity debt rules.
- 3Calculate deductible interest: total interest paid on qualified loans.
- 4Report on Schedule A: itemize deductions to claim mortgage interest.
- 5Track refinance impact: original loan amount basis determines deduction limit.