Self-Employment Tax in New Hampshire (2026)
Federal Self-Employment Tax (Applies to All States Including NH)
The federal self-employment tax is 15.3% on the first $168,600 of net SE income (2024), composed of 12.4% Social Security and 2.9% Medicare. Above $168,600, the 2.9% Medicare portion continues. An additional 0.9% Medicare surtax applies to SE income over $200,000 (single) or $250,000 (married joint).
Self-employed individuals can deduct half of their SE tax (7.65%) from gross income before calculating federal and state income tax.
New Hampshire State Income Tax on Self-Employment Income
Self-employed New Hampshire residents pay no state income tax on their earned income from self-employment (wages and business profits are not taxed). The Business Enterprise Tax (BET) of 0.55% applies on the "enterprise value tax base" for businesses with receipts over $250,000.
New Hampshire has no state income tax, so self-employed residents only owe federal income tax and federal SE tax.
Quarterly Estimated Tax Payments for New Hampshire Self-Employed
Self-employed New Hampshire residents typically must make quarterly estimated tax payments to both the IRS (due Apr 15, Jun 15, Sep 15, Jan 15) and no state payments are required. Underpayment can trigger penalties.
Deductions Available to New Hampshire Self-Employed
- Half of federal SE tax (7.65%) — deductible above-the-line on federal return
- Home office deduction (if qualifying dedicated workspace)
- Health insurance premiums (100% deductible for self-employed if not eligible for employer plan)
- SEP-IRA or Solo 401(k) contributions — up to 25% of net SE income
- Business expenses: equipment, software, vehicle mileage (67 cents/mile in 2024), professional fees
Frequently Asked Questions
What taxes do self-employed people pay in New Hampshire?
Self-employed New Hampshire residents pay: (1) federal self-employment tax of 15.3% on net SE income up to $168,600; (2) federal income tax on net earnings; and (3) no state income tax, since New Hampshire has no state income tax. Self-employed New Hampshire residents pay no state income tax on their earned income from self-employment (wages and business profits are not taxed). The Business Enterprise Tax (BET) of 0.55% applies on the "enterprise value tax base" for businesses with receipts over $250,000.
What is the self-employment tax rate in 2026?
The federal SE tax rate is 15.3% on the first $168,600 of net self-employment income (2024). Above that, only the 2.9% Medicare portion continues. An additional 0.9% Medicare surtax applies above $200,000 (single). This applies to all self-employed individuals regardless of state, including New Hampshire.
Can I deduct the self-employment tax in New Hampshire?
Yes. Half of your federal SE tax (7.65%) is deductible as an above-the-line deduction on your federal return, reducing your federal and state taxable income. Since New Hampshire has no income tax, this deduction only benefits your federal return.
Do I need to make quarterly estimated tax payments in New Hampshire?
Yes, if you expect to owe more than $1,000 in federal taxes for the year. New Hampshire has no state income tax, so no state estimated payments are required.