Quick Answer
The QBI deduction was permanently extended for 2026 with key changes: the 20% deduction rate remains, but income thresholds increased to $191,050 (single) and $382,100 (married filing jointly). New limitations apply to certain service businesses, and the taxable income limitation now uses a 3-year average.
Best Answer
Robert Kim, CPA
Self-employed individuals and small business owners earning under $400,000
How the QBI deduction changed for 2026
The Section 199A qualified business income deduction underwent significant modifications for 2026. The core 20% deduction rate remains unchanged, but several key provisions were updated to make the deduction more accessible while closing certain loopholes.
The most important changes:
Updated income thresholds for 2026
The income thresholds where QBI limitations begin were significantly increased:
For taxpayers below these thresholds, the QBI deduction calculation remains straightforward: 20% of qualified business income, limited to 20% of taxable income minus net capital gains.
Example: How the new thresholds help
Consider Sarah, a single freelance graphic designer with $185,000 in QBI and $190,000 in total taxable income:
Under 2025 rules: Her income exceeded the $182,050 threshold by $2,950, triggering complex W-2 wage and property limitations that reduced her deduction.
Under 2026 rules: Her $185,000 QBI falls below the new $191,050 threshold, so she gets the full simplified calculation:
New 3-year averaging rule
Starting in 2026, the taxable income limitation uses a 3-year average rather than just the current year. This helps taxpayers with fluctuating income avoid losing the deduction in high-income years.
How it works: Your taxable income limitation is based on the average of your current year and prior two years' taxable income (minus net capital gains).
Expanded specified service business restrictions
The list of "specified service businesses" that face restrictions above the income thresholds was expanded to include:
However, a new safe harbor was added: if your specified service business has at least 3 full-time W-2 employees, you can qualify for the full deduction regardless of the service business classification.
What you should do
1. Recalculate your expected 2026 QBI deduction using the new higher thresholds
2. Track your income over multiple years since the 3-year averaging may affect future calculations
3. Review if your business qualifies as a specified service business under the updated definitions
4. Consider the W-2 employee safe harbor if you're in a specified service business
Use our return scanner to identify if you missed QBI deduction opportunities in prior years that might now qualify under the expanded rules.
Key takeaway: The QBI deduction is now more generous for most taxpayers, with higher income thresholds ($191,050 single, $382,100 married) and new averaging rules that provide more consistent benefits across fluctuating income years.
*Sources: [IRS Publication 535](https://www.irs.gov/pub/irs-pdf/p535.pdf), IRC Section 199A as amended by the One Big Beautiful Bill Act*
Key Takeaway: The QBI deduction remains at 20% but with higher income thresholds ($191,050 single, $382,100 married) and new 3-year averaging that benefits most small business owners.
2026 QBI deduction thresholds compared to 2025
| Filing Status | 2025 Threshold | 2026 Threshold | Increase |
|---|---|---|---|
| Single | $182,050 | $191,050 | $9,000 |
| Married Filing Jointly | $364,100 | $382,100 | $18,000 |
| Head of Household | $182,050 | $191,050 | $9,000 |
More Perspectives
Michelle Woodard, JD
Business owners and professionals earning above the QBI threshold limits
QBI changes for high-income taxpayers
For high earners above the 2026 thresholds ($191,050 single, $382,100 married), the QBI deduction changes create both opportunities and new complexity.
New W-2 wage safe harbor for service businesses
The most significant change for high-earning professionals is the new employee safe harbor. If your specified service business (law, medicine, consulting, etc.) employs at least 3 full-time W-2 employees, you can claim the full QBI deduction regardless of income level.
Example: Dr. Martinez, a single physician earning $400,000, previously got no QBI deduction due to the specified service business rules. In 2026, if his practice employs 3+ full-time staff, he can claim up to $80,000 in QBI deduction (20% of $400,000, subject to other limitations).
Enhanced W-2 wage and property limitations
For taxpayers above the threshold without the safe harbor, the wage and property-based limitations were refined:
3-year averaging impact
High earners benefit significantly from the new 3-year averaging for the taxable income limitation. This prevents complete loss of the deduction in spike income years.
Strategic planning: Consider income timing strategies across multiple years to optimize the 3-year average and maximize QBI benefits.
Key takeaway: High earners should evaluate the new employee safe harbor and consider multi-year income planning to maximize QBI benefits under the 3-year averaging rules.
Key Takeaway: High earners can now access QBI deductions through the new 3-employee safe harbor for service businesses, plus 3-year income averaging provides more consistent benefits.
Sources
- IRS Publication 535 — Business Expenses and Section 199A QBI Deduction
- IRC Section 199A — Deduction for Qualified Business Income
Reviewed by Robert Kim, CPA on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.