Mortgage Interest Deduction in Delaware
State income tax rate
6.6%
Itemized deductions allowed
✅ Yes
State-Level Mortgage Interest Deduction
Delaware conforms to federal itemized deductions including mortgage interest, with a top rate of 6.6%.
Combined Federal + Delaware Savings
If you paid $18,000 in mortgage interest last year and itemize on both returns, your combined tax savings would be approximately:
- Federal (22% bracket): $3,960
- Delaware (6.6% rate): $1,188
- Total estimated savings: $5,148
These are estimates based on a 22% federal bracket. Your actual savings depend on your specific tax situation.