Your New Mexico Tax Estimate
Pre-set for New Mexico residents
📍 New Mexico charges a 4.9% state income tax on self-employment income. This is applied on top of your federal self-employment tax and federal income tax.
$
$
Additional Deductions
Self-employed health insurance
Deduct 100% of premiums paid
$
SEP-IRA contribution
Up to 25% of net SE income (max $69,000)
$
QBI deduction (20%)
Most self-employed workers qualify
Your New Mexico Tax Breakdown
Federal + SE + New Mexico State Tax
Total Estimated Tax (Federal + SE + New Mexico State)
—
Effective rate: —
Quarterly Payment
—
Pay 4× per year
Monthly Set-Aside
—
Recommended savings
Effective Total Tax Rate0%
0%Low 10–18%Avg 25–35%High 40%+
Tax Breakdown
Gross Income
—
Business Expenses
—
Net SE Income
—
Self-Employment Tax
15.3% on 92.35% of net
—
SE Tax Deduction (½)
—
Standard Deduction
—
Federal Taxable Income
—
Federal Income Tax
Marginal bracket: —
—
New Mexico State Tax
4.9%
—
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2026 Quarterly Payment Schedule
| Quarter | Period | Due Date | Amount |
|---|---|---|---|
| Q1 2026 | Jan–Mar | Passed | — |
| Q2 2026 | Apr–May | Jun 16 | — |
| Q3 2026 | Jun–Aug | Sep 15 | — |
| Q4 2026 | Sep–Dec | Jan 15, 2027 | — |
⚠️ Disclaimer: Estimates based on 2025 federal brackets and simplified state tax rates. Not tax advice. Consult a CPA for personalized guidance.
Self-employment taxes in New Mexico
New Mexico State Tax Rate
New Mexico charges a 4.9% state income tax on self-employment income. This is applied on top of your federal self-employment tax and federal income tax. This applies on top of your federal self-employment tax (15.3%) and federal income tax.
Quarterly Due Dates
All self-employed workers, regardless of state, must pay estimated federal taxes quarterly: April 15, June 16, September 15, and January 15, 2027. Missing a payment triggers an IRS underpayment penalty.
Key Deductions for New Mexico Residents
Self-employed workers in New Mexico can deduct business expenses, health insurance premiums, SEP-IRA contributions, and the QBI deduction — all of which reduce both federal and state taxable income.
Frequently asked questions — New Mexico
How much self-employment tax do I owe in New Mexico?
Self-employed workers in New Mexico owe federal self-employment tax of 15.3% (applied to 92.35% of net income), federal income tax based on your bracket, plus New Mexico state income tax at 4.9%. Use the calculator above for your exact estimate.
Does New Mexico have a state income tax for self-employed workers?
Yes — New Mexico charges 4.9% state income tax on self-employment income. This is in addition to your federal taxes.
How much should I set aside for taxes as a self-employed worker in New Mexico?
A good rule of thumb for New Mexico residents is 28–33% of gross income to cover self-employment tax (15.3%), federal income tax, and New Mexico's 4.9% state income tax. Use the calculator above for your precise number.
When are quarterly estimated tax payments due in New Mexico?
Federal estimated tax due dates are the same in every state: Q1 — April 15, 2026; Q2 — June 16, 2026; Q3 — September 15, 2026; Q4 — January 15, 2027. New Mexico may also require separate state estimated tax payments on the same or similar schedule — check with the New Mexico Department of Revenue for state-specific requirements.