A disregarded entity LLC is a single-member limited liability company that the IRS ignores as a separate taxpayer for federal income tax. The business’s profits and losses land directly on the owner’s personal return, and the LLC files no income tax return of its own.1Internal Revenue Service. Single Member Limited Liability Companies That simplicity is the appeal. The label is also narrower than it sounds: “disregarded” applies only to income tax. For employment taxes, excise taxes, and legal liability, the LLC is still its own entity.
Which LLCs Get This Treatment
Classification follows ownership. A single-member LLC is automatically a disregarded entity unless the owner files paperwork to be taxed as a corporation. A multi-member LLC (two or more owners) is automatically a partnership and files its own partnership return, and it cannot be a disregarded entity under the standard rules.2Internal Revenue Service. LLC Filing as a Corporation or Partnership
One exception is worth flagging so you don’t rule yourself out. If a married couple jointly owns an LLC in a community property state (Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, or Wisconsin) and the business qualifies as community property, the IRS will accept the couple treating the LLC as a disregarded entity. Both spouses report the income on their joint return, and no partnership return is required.3Internal Revenue Service. Entities 3 – Limited Liability Company Classification
How You Actually Pay Tax
When an individual owns a disregarded LLC, income and deductions flow onto Schedule C of Form 1040, the same form a sole proprietor uses.4Internal Revenue Service. About Schedule C (Form 1040) The LLC itself pays nothing. Whatever remains after business expenses becomes taxable income on your personal return, taxed at ordinary rates. When the owner is a corporation or partnership instead of an individual, the LLC’s activity just appears as a division on that parent entity’s return.
Self-Employment Tax
On top of income tax, an individual owner owes self-employment tax on net business earnings. This covers Social Security and Medicare and runs 15.3% of net self-employment income: 12.4% for Social Security and 2.9% for Medicare.5Internal Revenue Service. Self-Employment Tax (Social Security and Medicare Taxes) The Social Security portion applies only to earnings up to $184,500 in 2026.6Social Security Administration. Contribution and Benefit Base Medicare has no cap, and an additional 0.9% Medicare tax kicks in when self-employment income exceeds $200,000 ($250,000 if married filing jointly).7Internal Revenue Service. Questions and Answers for the Additional Medicare Tax
Half of your self-employment tax is deductible when figuring adjusted gross income, which trims your income tax bill. The tax itself is calculated on Schedule SE and filed alongside Form 1040.
The Qualified Business Income Deduction
Individual owners of a disregarded LLC may also qualify for the qualified business income (QBI) deduction under Section 199A, which allows a deduction of up to 20% of qualified business income.8Office of the Law Revision Counsel. 26 USC 199A – Qualified Business Income The deduction was originally set to expire after 2025 but has been extended. Below certain taxable income thresholds it’s straightforward; above those thresholds, limits based on W-2 wages paid and the type of business apply. You take the deduction on your personal return, and it can meaningfully lower the effective rate on LLC profits.
Where “Disregarded” Doesn’t Apply
This is where owners trip. The IRS ignores a single-member LLC for income tax, but it treats the LLC as a completely separate entity for employment taxes and certain excise taxes.1Internal Revenue Service. Single Member Limited Liability Companies If your LLC has employees, the LLC itself is responsible for withholding, reporting, and paying federal employment taxes under its own name and EIN. Excise tax filings likewise go under the LLC’s name and EIN.
Practically, that means hiring even one employee obliges the LLC to have its own EIN and to file employment tax returns (Forms 941, 940, and W-2s) under the LLC’s identity, not yours.
Do You Need an EIN?
A disregarded LLC with no employees and no excise tax obligations doesn’t technically need an EIN. The owner can use their Social Security number for federal income tax reporting. Most owners should still get one. Banks generally require an EIN to open a business account, and using it on invoices and vendor forms keeps your Social Security number off documents circulating through other offices. The moment you hire an employee or take on an excise tax obligation, the EIN becomes mandatory. Applying is free through the IRS website.
Liability Protection Is Unchanged
“Disregarded” only describes income tax handling. Under state law your LLC remains a separate legal entity, so personal assets stay shielded from business debts and lawsuits. A creditor with a judgment against the LLC generally can’t reach your house, car, or personal bank accounts.
That protection isn’t automatic forever. Courts can pierce the veil and hold the owner personally liable when the LLC looks like a sham rather than a real separate business. The common triggers are mixing personal and business money, failing to keep basic records, signing contracts in your own name instead of the LLC’s, and leaving the LLC so undercapitalized it can’t cover foreseeable obligations.9Harvard Law School Forum on Corporate Governance. The Three Justifications for Piercing the Corporate Veil The fix is unglamorous: open a dedicated business bank account, keep clean books, and always sign under the LLC’s name.
Choosing a Different Classification
Disregarded status is the default, not a mandate. A single-member LLC can elect to be taxed as a C-corporation or an S-corporation instead, which drops the disregarded label and changes IRS treatment entirely.2Internal Revenue Service. LLC Filing as a Corporation or Partnership
For C-corporation treatment, file Form 8832 (Entity Classification Election). The election can take effect no earlier than 75 days before the filing date and no later than 12 months after.10Internal Revenue Service. Form 8832 – Entity Classification Election For S-corporation treatment, file Form 2553 (Election by a Small Business Corporation) within two months and 15 days after the tax year begins. For a calendar-year LLC, the 2026 deadline is March 16, 2026.11Internal Revenue Service. Instructions for Form 2553 Miss the deadline and the election won’t take effect until the following year, though the IRS sometimes grants late-election relief.
When the S-Corp Election Makes Sense
The usual reason to consider S-corp treatment is self-employment tax. As a disregarded entity, every dollar of profit gets hit with the 15.3% self-employment tax. As an S-corp, you pay yourself a salary (subject to payroll taxes) and take the remaining profit as a distribution, which isn’t subject to self-employment tax.
The catch is a firm IRS rule: you must pay yourself a reasonable salary before taking any distributions.12Internal Revenue Service. S Corporation Employees, Shareholders and Corporate Officers “Reasonable” means what you’d pay someone else to do your job, judged against industry norms, your experience, hours worked, and comparable salaries. Setting the salary artificially low to dodge payroll taxes is one of the most common S-corp audit triggers. You’ll also run real payroll, file quarterly payroll returns, and prepare a separate corporate return (Form 1120-S) each year.
As a rough benchmark, the S-corp election rarely saves money when profits are below $40,000 to $50,000 after paying the owner’s salary, because added accounting and payroll costs eat into the savings. Above $60,000 in profit after a reasonable salary, the math usually works in the S-corp’s favor. In between, it depends on the specifics.
State Taxes Follow Their Own Rules
Federal disregarded status doesn’t bind your state. Some states impose franchise taxes, minimum taxes, or annual fees on LLCs regardless of how the IRS classifies them. Costs vary widely, from no entity-level fee in some states to several hundred dollars a year in others, and state income tax treatment of disregarded entities can also differ from the federal approach. Check your state’s tax agency for the obligations that apply to your LLC. Owing a state fee you didn’t know about can produce penalties or even administrative dissolution of the entity.