The Short Answer
A single-member LLC doesn't pay taxes as a separate entity. The profit flows through to your personal tax return. You pay self-employment tax (15.3%) plus your regular income tax rate on the net profit — four times a year as quarterly estimated payments.
How LLC Taxes Actually Work
The IRS calls single-member LLCs "disregarded entities" — meaning for tax purposes, the LLC doesn't exist separately from you. All your business profit shows up on your personal Form 1040 via Schedule C.
This means two things:
- No separate corporate tax return for a single-member LLC (unless you elect S-Corp)
- You pay self-employment tax (15.3%) on top of income tax — this covers Social Security and Medicare that employers normally split with you
The number that shocks most new LLC owners: If your side hustle makes $50,000 profit, you owe roughly $7,650 in self-employment tax alone — before income tax. Set aside 25–30% of every dollar you make. Do it automatically, every time money comes in.
2026 Quarterly Tax Due Dates
The IRS doesn't let you wait until April to pay your taxes. As a self-employed LLC owner, you pay estimated taxes four times a year. Missing a payment triggers an underpayment penalty.
What You Actually Owe — Real Numbers
| Annual LLC Profit | Self-Employment Tax | Est. Income Tax | Total Est. Tax |
|---|---|---|---|
| $20,000 | $3,060 | $2,200 | $5,260 |
| $40,000 | $6,120 | $4,400 | $10,520 |
| $60,000 | $8,478 | $7,200 | $15,678 |
| $80,000 | $11,304 | $12,800 | $24,104 — consider S-Corp |
| $100,000 | $14,130 | $18,000 | $32,130 — S-Corp saves ~$6K |
The S-Corp Election — When It Saves You Real Money
Once your LLC earns over $40,000–50,000 per year in profit, electing S-Corp tax status becomes worth serious consideration. Here's why:
As a standard LLC, you pay 15.3% self-employment tax on every dollar of profit. With an S-Corp election, you split your income into a salary and distributions. You only pay payroll taxes on the salary portion — distributions are not subject to self-employment tax.
Example: LLC earns $80,000. Standard LLC: pay SE tax on all $80K = $11,304. S-Corp with $45K salary: pay payroll tax on $45K = $6,885. Annual savings: $4,419. QuickBooks handles the bookkeeping that makes this election trackable and audit-proof.
Tax Deductions LLC Owners Miss
- Home office deduction — if you work from home, a portion of rent/mortgage and utilities is deductible
- Health insurance premiums — self-employed LLC owners can deduct 100% of health insurance premiums
- Half of self-employment tax — the IRS lets you deduct 50% of SE tax from your income
- Business equipment and software — computers, phones, subscriptions used for business
- Retirement contributions — a Solo 401(k) lets you contribute up to $69,000/year tax-deferred
- Mileage — business driving at $0.70/mile (2026 IRS rate)
April 15, June 16, September 15, and January 15, 2027. Mark all four dates in your calendar and set payment reminders two weeks before each one.
25–30% of every dollar of profit is the safe rule. Set it aside automatically every time money hits your business account. If you're in a high-tax state like California or New York, lean toward 30–35%.
For a simple single-member LLC, QuickBooks or similar software handles the bookkeeping and tax prep. If you're electing S-Corp status, a CPA for the initial setup and annual review is worth the cost — they'll save you more than they charge.
The IRS charges an underpayment penalty — currently around 8% annually on the amount owed. It's not catastrophic but it's avoidable. Set up automatic quarterly reminders or use tax software that calculates and reminds you.
Track Every Dollar with QuickBooks
QuickBooks automatically categorizes expenses, calculates quarterly estimated taxes, and generates the reports your accountant needs. Built specifically for self-employed and small business owners.
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