HELOC Tax Implications:
When Is HELOC Interest Deductible?

HELOC Tax Deduction Rules

Deductible — When Used For:

  • Home improvements that substantially improve your home (kitchen remodel, addition, new roof, HVAC replacement)
  • Buying or building the home that secures the HELOC

Not Deductible — When Used For:

  • Debt consolidation (paying off credit cards)
  • Education expenses or student loans
  • Business funding or investments
  • Personal expenses, vacations, vehicles

Under the Tax Cuts and Jobs Act (TCJA, 2017), HELOC interest is only deductible when the loan is used to "buy, build, or substantially improve" the home securing the loan. The combined mortgage debt limit is $750,000 (MFJ) or $375,000 (MFS). Always consult a tax professional — these rules are subject to change and depend on your specific situation.

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