New Hampshire Side Hustle Tax Calculator
New Hampshire has no state income tax. Calculate your federal self-employment tax instantly.
Last updated: January 2026 · Data from IRS Rev Proc 2024-40
Great news for New Hampshire side hustlers: The Granite State now has no income tax on earned income. New Hampshire eliminated its Interest and Dividends Tax in 2025, joining the ranks of true no-income-tax states. Whether you're freelancing in Manchester, consulting from Nashua, or running a side business in Concord, you'll pay no state income tax.
How Side Hustle Taxes Work in New Hampshire
New Hampshire eliminated its last remaining income tax in 2025:
**What New Hampshire side hustlers pay:** - **Federal self-employment tax**: 15.3% on net earnings - **Federal income tax**: 10% to 37% based on total income - **New Hampshire state income tax**: $0
**What changed in 2025:** - The Interest and Dividends Tax was fully phased out - New Hampshire is now a true no-income-tax state - Only federal taxes apply to all forms of income
What New Hampshire Side Hustlers Owe
Let's say you're a single filer in Manchester with a $50,000 W-2 job and $12,000 in side hustle income from freelance web design, with $1,500 in business expenses.
**Your estimated taxes on the side hustle:** - Net self-employment income: $10,500 - Federal SE tax (15.3% of 92.35%): ~$1,485 - Federal income tax on side income: ~$2,310 (22% bracket) - New Hampshire state tax: $0 - **Total additional tax: ~$3,795**
Compare this to neighboring Massachusetts where you'd owe an additional ~$525 in state taxes.
New Hampshire Tax Deadlines 2025
Since New Hampshire has no state income tax, you only track federal deadlines: - **Q1**: April 15, 2025 - **Q2**: June 16, 2025 - **Q3**: September 15, 2025 - **Q4**: January 15, 2026
Use IRS Form 1040-ES for federal quarterly estimated payments.
Common Deductions for New Hampshire Freelancers
New Hampshire side hustlers should maximize every federal deduction since there's no state income tax. **Home office deduction**: Claim dedicated space using simplified ($5/sq ft, max $1,500) or actual expense method. **Vehicle expenses**: 67 cents/mile for 2025; important for those serving clients in Manchester, Nashua, or across the state. **Equipment and supplies**: Computers, cameras, tools, and office supplies; Section 179 allows immediate expensing. **Professional services**: Accounting, legal, and tax preparation fees are fully deductible. **Health insurance premiums**: Self-employed individuals can deduct 100% of health, dental, and vision insurance. **Retirement contributions**: SEP-IRAs (up to 25% of net self-employment income) and Solo 401(k)s provide significant federal tax savings. **Professional development**: Courses, certifications, and conferences are deductible. **The 20% QBI deduction** reduces your federal tax bill significantly. With New Hampshire now having zero income tax on earned income, every deduction provides pure federal tax savings.
New Hampshire Side Hustle Tax FAQ
Does New Hampshire have income tax on side hustles?
No, as of 2025 New Hampshire has no state income tax on any income including self-employment earnings. The Interest and Dividends Tax was fully phased out.
Do I need to file New Hampshire state taxes?
No, since New Hampshire has no state income tax, there's no state return to file for your side hustle income.
Is New Hampshire better than Massachusetts for freelancers?
Yes, for taxes. Massachusetts has a 5% flat income tax while New Hampshire has 0%. Many freelancers live in NH while working remotely to save on taxes.
Do I need to register my side hustle in New Hampshire?
Sole proprietors using their legal name don't need state registration. If using a trade name (DBA), register with your city or town clerk. LLCs must register with the New Hampshire Secretary of State.
Does New Hampshire have any local income taxes?
No, New Hampshire has no local or municipal income taxes. Combined with no state income tax, NH is one of the most tax-friendly states for side hustlers.
Why do many Massachusetts residents move to New Hampshire?
No income tax is the main reason. A freelancer earning $75,000 in side hustle income would save $3,750 annually (5% of income) by living in NH instead of MA. Many remote workers take advantage of this while still accessing the Boston job market.
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