Running a contracting business already requires you to manage crews, materials, customers, equipment, deadlines, and cash flow. Tax rules can add another layer of uncertainty.
If you operate as a sole proprietor, LLC, partnership, or S-corporation, you may be eligible for the QBI deduction. Also called the Qualified Business Income deduction or Section 199A deduction, it may allow you to deduct up to 20% of your qualified business income on your personal tax return.
That can make a meaningful difference in your tax bill.
The rules are detailed, but the basic idea is straightforward: the tax code gives many pass-through business owners a deduction on qualifying business profit. Accurate, organized records help you claim it correctly and avoid last-minute confusion.
What Is the QBI Deduction?
The QBI deduction is a federal income tax deduction for eligible owners of certain pass-through businesses.
A pass-through business generally does not pay federal income tax at the business level. Instead, the business income passes through to the owner’s personal tax return.
The QBI deduction may apply to income from:
- Sole proprietorships
- Independent contractor businesses
- Single-member LLCs taxed as sole proprietorships
- Partnerships
- Multi-member LLCs taxed as partnerships
- S-corporations
The deduction can be worth up to 20% of qualified business income, subject to income limits and other restrictions.
A Simple Example
Suppose your contracting business has:
- $200,000 in business revenue
- $140,000 in deductible business expenses
- $60,000 in qualified business income
A simplified calculation would be:
$60,000 QBI × 20% = $12,000 potential deduction
This does not mean every contractor with $60,000 of profit automatically receives a $12,000 deduction. Taxable income, filing status, wages, property, business structure, and other factors may affect the final amount.
Still, the example shows why the QBI deduction matters.
It can turn organized business profit into valuable tax savings.
Why Contractors Should Pay Attention
Construction, HVAC, plumbing, electrical, landscaping, remodeling, and other trades businesses are often structured as pass-through businesses.
That means the business owner may report business income on an individual tax return rather than paying tax as a traditional C-corporation.
For many contractors, the QBI deduction may apply to income earned from:
- Installation work
- Repairs and maintenance
- Construction projects
- Remodeling
- Landscaping
- Electrical services
- Plumbing services
- HVAC services
- Other hands-on trade work
Most of these businesses are generally treated differently from specified service businesses such as law, medicine, consulting, accounting, or financial services.
For a typical trades business, the deduction may be available if the owner meets the other requirements.
The QBI Deduction Is Now Permanent
The QBI deduction was originally created by the Tax Cuts and Jobs Act and was scheduled to expire after 2025.
That changed under legislation enacted in 2025. Section 199A was made permanent beginning with tax years after 2025, so eligible business owners can continue planning around the deduction rather than treating it as a temporary tax benefit.
The 20% deduction rate remains in place.
There is also a small floor benefit for 2026. Taxpayers with at least $1,000 of qualified business income from an active trade or business may be able to claim a minimum deduction of $400, even when the percentage calculation would produce a smaller amount. As always, confirm how the rules apply to your return with your tax professional.
For contractors, this provides more stability. You can make business decisions with a longer view, including decisions about:
- Hiring employees
- Paying owner wages through an S-corporation
- Purchasing equipment
- Improving bookkeeping systems
- Separating job costs
- Planning estimated tax payments
- Retaining cash for slower seasons
Permanent does not mean automatic.
The deduction still depends on accurate income calculations and proper records.
Who Can Claim the QBI Deduction?
You may qualify if you own an eligible domestic trade or business and receive qualifying business income.
Here is how the deduction generally works by business structure.
Sole Proprietors And Independent Contractors
If you operate as a sole proprietor or receive 1099 income reported on Schedule C, your net business profit may be QBI.
Your QBI is generally based on business income after eligible business expenses are deducted.
That makes complete expense records especially important. Missing materials, vehicle costs, subcontractor payments, equipment expenses, or other legitimate deductions can distort your profit and your potential QBI calculation.
LLC Owners
An LLC may be taxed in different ways.
A single-member LLC is often taxed as a sole proprietorship unless an election is made to use a different tax treatment. A multi-member LLC is often taxed as a partnership.
The business structure alone does not determine the deduction. The way the LLC is taxed and how income is reported both matter.
Partnerships
Partnership owners generally receive their share of business income through a Schedule K-1.
Each partner’s QBI calculation may depend on the partner’s share of income, wages, property, and other information reported by the partnership.
The partnership’s bookkeeping and tax records need to be consistent and complete.
S-Corporations
S-corporation owners need to separate wages from pass-through income.
Your reasonable W-2 salary is not QBI. Your share of eligible S-corporation pass-through income may be QBI.
However, W-2 wages may help determine the wage limitation for the deduction when taxable income is above certain thresholds.
This is one reason S-corporation bookkeeping and payroll need to stay accurate throughout the year.
2026 Income Limits And Phase-Out Rules
Your taxable income affects how the QBI deduction is calculated.
For 2026, commonly published threshold amounts are approximately:
| Filing Status | Full Deduction Threshold | Phase-Out Range |
|---|---|---|
| Single, head of household, or married filing separately | $201,750 | $201,750 to $276,750 |
| Married filing jointly | $403,500 | $403,500 to $553,500 |
These figures are based on inflation-adjusted amounts and should be confirmed with your tax professional when preparing your return.
Below The Threshold
If your taxable income is below the applicable threshold, the calculation is generally more straightforward.
You may be able to claim up to 20% of your QBI, limited by 20% of taxable income minus net capital gains.
For many smaller contractors, this is the most common situation.
Within The Phase-Out Range
Once taxable income enters the phase-out range, additional limitations may apply.
The deduction may be affected by:
- W-2 wages paid by the business
- The unadjusted basis of qualified business property
- Whether the business is a specified service trade or business
- Your filing status
- Your total taxable income
Qualified property may include certain business equipment, buildings, and other depreciable property used in the business.
Above The Phase-Out Range
For a typical qualified trades business, the deduction may still be available above the phase-out range, but wage and property limits generally have a greater effect.
Specified service businesses may see their deduction reduced or eliminated above the applicable income range.
A tax professional should calculate the final deduction rather than relying on a simple 20% estimate.
A Note About Specified Service Businesses
The QBI rules limit or eliminate the deduction for certain specified service trades or businesses, often called SSTBs.
These may include:
- Law
- Medicine
- Accounting
- Consulting
- Financial services
- Investment management
- Certain professional services
A contractor performing actual construction, installation, repair, or trade work is generally not treated the same as a consultant merely advising others about construction.
The facts of the business matter.
If your company combines hands-on trade work with consulting, design, project management, or another professional service, ask your tax professional how the rules apply.
Records Contractors Should Keep
The QBI deduction depends on business income and other tax information. Good records make the calculation easier to support.
Keep organized records for:
Income And Customer Payments
Maintain invoices, deposits, progress payments, final payments, and other customer receipts.
For project-based businesses, it is helpful to connect revenue to the correct customer and job.
Materials And Direct Job Costs
Track materials by project when practical. Lumber, fittings, wire, equipment rentals, fuel, and other direct costs can affect both job profitability and total business income.
Labor And Payroll
Keep payroll reports, quarterly payroll filings, W-2 information, and employer tax records.
For S-corporations, accurate payroll is particularly important because owner wages and pass-through income are treated differently.
Subcontractor Payments
Keep contracts, invoices, payment records, and required tax forms for subcontractors.
Your bookkeeping should make it clear which payments were made, when they were made, and which job they supported.
Equipment And Fixed Assets
Maintain records for equipment, vehicles, tools, buildings, and other qualified property.
Your tax professional may need purchase dates, costs, business use, depreciation information, and current ownership details.
Bank And Credit Card Records
Reconcile business bank accounts and credit cards regularly.
Unreconciled accounts can lead to missing expenses, duplicate transactions, incorrect income, and unreliable year-end totals.
Business And Personal Activity
Keep personal and business expenses separate.
Mixing accounts makes it harder to verify deductions, understand profit, and prepare a clean tax return.
How Thank Heavens Bookkeeping Helps
The QBI deduction is calculated on the tax return, but the process starts much earlier.
At Thank Heavens Bookkeeping, we help contractors stay tax-ready throughout the year with:
- Monthly transaction categorization
- Bank and credit card reconciliations
- Contractor-aware expense tracking
- Job costing support
- Payroll and subcontractor records
- Organized financial statements
- Year-end bookkeeping review
- Clear communication with your tax professional
Our goal is not to make your records more complicated.
Our goal is to create a consistent bookkeeping rhythm that gives you accurate numbers, better visibility, and less stress when tax season arrives.
Learn more about our contractor bookkeeping services, job costing support, and tax-ready records.
A Tax-Ready Business Feels More Manageable
The QBI deduction may help reduce the federal income tax burden for eligible contractors and trades business owners.
But the deduction depends on more than multiplying profit by 20%.
You need:
- Accurate business income
- Complete expense records
- Correct business structure information
- Reliable payroll details
- Organized equipment records
- Clear records for partners or shareholders
- A timely review with your tax professional
You do not have to figure everything out alone.
When your books are current and organized, you can approach tax planning with more clarity and confidence. You can make decisions from reliable information instead of trying to rebuild the year from memory.
Clear records create better options.
Frequently Asked Questions
Is The QBI Deduction The Same As A Business Expense?
No. Business expenses reduce business profit before QBI is calculated.
The QBI deduction is generally taken separately on the owner’s personal tax return. It does not reduce self-employment tax, and it is not the same as deducting a material purchase, vehicle expense, or subcontractor payment.
Does The QBI Deduction Apply To W-2 Wages?
No. W-2 wages are not QBI.
For an S-corporation owner, pass-through income may qualify, while the owner’s reasonable salary does not. W-2 wages may still affect the wage limitation in certain situations.
Do I Need To Itemize To Claim The QBI Deduction?
Generally, no. Eligible taxpayers may claim the deduction whether they itemize deductions or take the standard deduction.
Your tax professional can determine how it applies to your return.
Does Bookkeeping Include Filing My Tax Return?
No. Bookkeeping organizes and maintains the financial records used for tax preparation. Your tax professional is responsible for tax advice, tax calculations, and filing the return.
What If My Books Are Behind?
A cleanup and catch-up project may be the right first step.
Thank Heavens Bookkeeping can help organize the records, identify missing information, and establish a monthly process so the books remain current going forward.
Bring Clarity Back To Your Tax Records
The QBI deduction can be valuable for contractors, but reliable planning starts with reliable records.
If your books are behind, difficult to understand, or not organized by job, now is a practical time to improve the process. Thank Heavens Bookkeeping provides responsive, contractor-aware bookkeeping for local and nationwide clients.
Get a quote from Thank Heavens Bookkeeping and take the next step toward clearer books, stronger tax records, and greater peace of mind.
This article is for general educational purposes only and is not tax, legal, or accounting advice. QBI eligibility and the final deduction depend on your specific facts, tax year, filing status, business structure, income, wages, and property. Work with a qualified tax professional for advice about your return. For official guidance, review the IRS information about the Qualified Business Income deduction, Form 8995, and Form 8995-A.