The Qualified Business Income (QBI) deduction under IRC §199A lets eligible Florida sole proprietors, S-corp shareholders, and partners deduct up to 20% of their qualified business income from federal taxes — a deduction worth $6,000–$30,000+ annually for many Florida small business owners. The rules are complex, with phase-outs and limitations based on income and business type. This guide explains who qualifies, how to calculate it, and strategies to maximize it.
The QBI deduction is available to: sole proprietors (Schedule C), partnerships/LLC members (K-1 income), and S-corp shareholders (K-1 income). It is NOT available to: C-corporations (which pay corporate tax on entity income), W-2 employees (even employees of their own C-corp), or trusts/estates above certain thresholds. The deduction is taken on Form 8995 (simple version) or 8995-A (complex version with limitations). The deduction exists through at least 2025 under the Tax Cuts and Jobs Act — extension beyond 2025 has been discussed in Congress. As of 2026, verify current law status.
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Basic calculation: 20% of qualified business income. QBI = net business income from the pass-through entity, reduced by certain deductions. Example: Florida consultant with $120,000 in QBI can deduct $24,000, reducing taxable income to $96,000 and saving approximately $5,280 at the 22% marginal rate. The deduction is limited to 20% of taxable income minus net capital gains — so you can't claim more than 20% of your total individual income.
Above certain income thresholds (2026: approximately $197,300 single / $394,600 married filing jointly — inflation-adjusted), the deduction is subject to W-2 wage and qualified property limitations. Above the threshold, the deduction is limited to the greater of: 50% of W-2 wages paid by the business, OR 25% of W-2 wages + 2.5% of qualified property (UBIA). This limitation often results in a smaller QBI deduction for high-income S-corp owners with low W-2 wages — another reason the 'reasonable salary' determination matters.
Certain service businesses face a complete phase-out of the QBI deduction above the income threshold. Specified Service Trades or Businesses (SSTBs) include: health (physicians, dentists), law, accounting, financial services, consulting (where reputation is the main asset), and performing arts. Below the income threshold ($197,300/$394,600), SSTBs qualify for the full 20% deduction. Above the threshold, the SSTB deduction phases out completely. This dramatically affects high-income Florida professionals — a Florida attorney or physician with $400,000 in pass-through income may receive no QBI deduction.
For high-income Florida business owners: (1) Keep income below the phase-out threshold through retirement plan contributions (SEP-IRA, Solo 401(k)) and other above-the-line deductions; (2) Maximize W-2 wages paid through the S-corp to satisfy the W-2 wage limitation (particularly for non-SSTB businesses); (3) Separate SSTB and non-SSTB income streams (if a physician also rents property, the rental income may generate its own QBI deduction separately); (4) Consider whether grouping or aggregating multiple business activities changes the calculation.
We help Florida small business owners navigate the QBI deduction rules and reduce their federal tax liability — real calculations, not estimates.
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