State income tax (top rate)
None
Property tax (avg effective)
1.66%
PTET workaround
Not available
New Hampshire tax notes
- No tax on wages. Interest & Dividends Tax (was 5%, fully phased out by 2027). Among the highest property taxes in the nation.
Sample tax numbers for New Hampshire
Quick orientation — use the full calculator for your actual situation.
State income tax on $100,000 taxable$0
Property tax on $400,000 home (avg)$6,640
SALT deduction usable (capped at $40,400)$6,640
Tax moves that matter most for New Hampshire
No state income tax — focus on federal levers
New Hampshire has no state income tax, so SALT cap concerns are limited to property tax. Optimization focus shifts to federal: 401(k), Mega Backdoor Roth, HSA, S-Corp election for self-employed.
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S-Corp election for self-employed
At net SE income above ~$80k-$100k, electing S-Corp typically saves $5k-$15k/yr in self-employment tax — the math is federal.
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Solo 401(k) for self-employed retirement
If you have 1099 income, Solo 401(k) lets you contribute up to $72,000/yr (2026) — far more than SEP-IRA in most cases. Reduces your federal income tax.
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Run your New Hampshire numbers
Open the full optimizer with New Hampshire pre-selected to see your specific tax picture.
Open the full calculatorMore New Hampshire tools & comparisons
New Hampshire S-corp / self-employment tax calculatorCompare with other states: