The Short Answer

1. An LLC and a Tax Classification Are Not the Same Thing

The easiest way to understand an LLC is to separate two systems.

The first is state law.

An LLC is an entity created under state law.

The second is federal tax law.

Federal tax law decides how that entity will be classified for federal tax purposes.

Under the federal entity-classification rules, a domestic eligible entity with one owner is generally disregarded as an entity separate from its owner unless it elects another tax classification.

In practical terms, Evan can create a California LLC and California can recognize that LLC as a legal entity while the IRS continues treating the consulting activity as Evan’s own for federal income-tax purposes.

That is why Arthur tells him:

“For federal income tax, if you form a single-member LLC and don’t make a separate tax election, the IRS generally disregards the LLC.”

The LLC exists.

It is the separate federal income-tax classification that is disregarded.

The same default rule remains in effect in 2026. IRS — Single Member Limited Liability Companies

2. What Actually Changes—and What Does Not?

Before the LLC, Evan conducts the consulting business directly as a sole proprietor.

After forming a single-member LLC, he has a separate state-law entity through which he can conduct that business.

That can make it easier to separate contracts, invoices, banking, client payments, business records, assets, and future business relationships.

It may also have liability implications under state law. But “limited liability” is not a tax conclusion or an absolute guarantee against personal liability. The actual protection depends on state law, the type of claim, personal guarantees, the owner’s conduct, and other facts.

From a federal income-tax perspective, however, much may remain unchanged.

Before the LLC:

Evan
→ consulting business
→ Schedule C
→ Form 1040

After forming a disregarded SMLLC:

Evan
→ single-member LLC
→ Schedule C
→ Form 1040

The state-law wrapper changed.

The default federal income-tax treatment generally did not.

Business deductions

Forming the LLC does not suddenly make ordinary business expenses deductible.

If Evan was already carrying on a trade or business, qualifying ordinary and necessary business expenses could generally be deductible before the LLC existed.

The LLC does not create the deduction.

The underlying business activity does.

Self-employment tax

The same principle applies to self-employment tax.

An individual owner of a disregarded SMLLC that operates a trade or business is generally subject to self-employment tax in the same manner as a sole proprietor. IRS — Single Member Limited Liability Companies

Simply moving Evan’s consulting activity into a disregarded LLC therefore does not automatically eliminate self-employment tax.

QBI deduction

Creating a disregarded LLC also does not, by itself, create a new §199A qualified business income deduction.

The QBI analysis follows the underlying trade or business and the applicable §199A requirements and limitations.

3. “Disregarded” Does Not Mean the LLC Does Not Exist

The term disregarded entity causes a lot of unnecessary confusion.

It does not mean the LLC is fictional.

It does not mean California ignores it.

And it does not mean every federal tax rule ignores it.

It generally means that the single-member LLC is not treated as separate from its owner for federal income-tax purposes.

There are important exceptions.

For example, a disregarded SMLLC is treated as a separate entity for federal employment-tax purposes and certain excise taxes. If the LLC later hires employees, it generally uses its own name and EIN for employment-tax reporting. IRS — Single Member Limited Liability Companies

So “disregarded entity” is a tax-classification term—not a statement that the legal entity does not exist.

4. What About Evan’s W-9 and EIN?

This connects directly to the opening scene of the Episode.

Before forming an LLC, Evan gives his client a Form W-9 as an individual/sole proprietor.

If he later forms a disregarded single-member LLC, the W-9 rules still generally look through the LLC to the owner.

The 2024 Form W-9 instructions clarified that, for a disregarded entity, the owner’s name generally goes on line 1, the disregarded entity’s name can appear on line 2, and line 3a reflects the federal tax classification of the owner. IRS — 2024 Instructions for Form W-9

The same concept affects taxpayer identification numbers.

A disregarded SMLLC with no employees and no applicable excise-tax filing obligation generally does not need a separate EIN solely for the owner’s federal income-tax reporting.

The LLC may nevertheless obtain or need an EIN for employees, banking, licenses, certain filings, state requirements, or other administrative purposes.

So this shortcut is misleading:

LLC = new federal income-tax taxpayer = new EIN for everything.

The actual rules depend on what the EIN is being used for.

5. Can Evan Choose a Different Tax Classification?

Yes.

A single-member LLC does not have to remain disregarded forever.

An eligible LLC can elect to be treated as a corporation for federal tax purposes, generally using Form 8832.

An eligible LLC can also elect S corporation status, generally through Form 2553. A timely and valid Form 2553 can cause an eligible LLC to be treated as a corporation without requiring a separate Form 8832 first.

That leads to one of the most important distinctions in this Guide:

LLC is an entity form.

S corporation is a federal tax status.

They are not competing versions of the same thing.

A business can be an LLC taxed as:

• a disregarded entity;
• an S corporation; or
• a C corporation.

A domestic multi-member LLC generally defaults to partnership treatment unless another classification is elected.

So asking:

“Should I have an LLC or an S corporation?”

can be the wrong question.

A better question is:

“Should I form an LLC, and if I do, how should it be taxed?”

6. Does an S Corporation Election Save Tax?

Sometimes.

But that is a separate tax-planning decision, not an automatic benefit of forming an LLC.

A disregarded SMLLC owned by Evan generally leaves the consulting profit subject to self-employment-tax rules in the same manner as a sole proprietorship.

If the entity later elects S corporation status, the tax structure changes.

A shareholder who performs services for an S corporation generally must receive reasonable compensation as wages before non-wage distributions are used to compensate the shareholder for those services. Those wages are subject to applicable payroll taxes.

S corporation distributions can be treated differently from Schedule C net earnings for employment-tax purposes, which is one reason an S election can sometimes produce payroll-tax savings.

But that does not mean:

S corporation = automatic tax savings.

The analysis also has to consider reasonable compensation, payroll costs and filings, tax-return preparation, state taxes, administrative complexity, retirement-plan implications, QBI consequences, and the amount and consistency of business profit.

At Evan’s expected revenue of around $25,000 with relatively little expense, more information would be needed before concluding that an S election is worthwhile.

The letters “LLC” do not answer that question.

Neither do the letters “S corp.”

7. California Changes the Economics of the Decision

This is the part Evan did not expect.

Federal tax law may disregard his single-member LLC for income-tax purposes.

California still sees the LLC.

For Evan’s 2024 story year, a California LLC generally was subject to an $800 annual LLC tax if it was organized, registered, or doing business in California, subject to applicable exceptions.

A disregarded California SMLLC also generally has a Form 568 filing requirement.

That means Evan can form an LLC that produces no automatic federal income-tax savings while simultaneously creating a California filing requirement and an $800 annual tax.

There is also an important timing detail.

California temporarily waived the first-year $800 annual tax for qualifying LLCs for taxable years beginning on or after January 1, 2021 and before January 1, 2024.

Evan forms his LLC in 2024.

That temporary first-year exemption has ended.

What About the LLC Fee?

The $800 annual tax and the California LLC fee are different charges.

The additional LLC fee generally begins when total California annual income reaches $250,000. For 2024, the first fee tier was $900 for California annual income from $250,000 through $499,999.

Evan expects only about $25,000 of consulting revenue.

So under the facts in this Episode, the income-based LLC fee is not his immediate issue.

The $800 annual tax is.

2026 Update

The basic California result remains the same.

California continues to impose the $800 annual LLC tax, subject to applicable exceptions, and the additional LLC fee still begins at $250,000 of California annual income.

So Evan’s 2024 discovery remains relevant today:

A single-member LLC can be disregarded for federal income-tax purposes while still creating very real California filing and tax obligations.

The next Tax Guide goes deeper into the $800 annual tax, Form 568, the LLC fee, payment deadlines, and cancellation rules.

8. So Why Would Evan Form the LLC Anyway?

Because tax savings are not the only reason to create an entity.

By early 2024, Evan’s facts have changed.

He has multiple clients.

He is sending proposals.

He is signing contracts.

He expects the consulting work to continue.

In that setting, a separate entity may have practical value even if the default federal income-tax calculation remains substantially unchanged.

The LLC may help create a clearer boundary around the business, organize contracts and banking, provide a structure for future growth, and potentially address state-law liability concerns that should be discussed with an attorney.

That leads back to Arthur’s most useful question:

What do you want the LLC to do?

If Evan’s only answer is:

“Lower my federal taxes.”

a disregarded single-member LLC does not automatically accomplish that.

If his answer includes organization, contracts, banking, future growth, and legal separation, the analysis becomes broader.

That is why:

“Do I need an LLC?”

and

“Do I want an LLC?”

can have different answers.

What Changed Between 2024 and 2026?

For the core issue in this Guide, very little.

A domestic single-member LLC is still generally disregarded for federal income-tax purposes unless another classification is elected.

An individual owner of a disregarded SMLLC can still generally report an active business through Schedule C and is generally subject to self-employment tax in the same manner as a sole proprietor.

An eligible LLC can still elect corporate treatment, including S corporation status.

California still generally imposes its $800 annual LLC tax and Form 568 filing obligations on a disregarded California SMLLC.

So the central lesson remains current:

Forming an LLC and choosing a tax classification are two separate decisions.

Common Mistakes

“I need an LLC before I can deduct business expenses.”

Generally incorrect. Deductibility depends on the underlying business activity and the applicable expense rules—not on adding “LLC” to the business name.

“An LLC automatically saves federal taxes.”

No. A default single-member LLC generally remains disregarded for federal income-tax purposes.

“An LLC eliminates self-employment tax.”

Not by itself. An individual owner of a disregarded SMLLC generally remains subject to self-employment tax in the same manner as a sole proprietor.

“LLC and S corporation are alternatives.”

Not exactly. An LLC is a state-law entity. S corporation status is a federal tax election that an eligible LLC can make.

“Disregarded means the LLC has no tax obligations.”

Incorrect. Federal employment or excise tax rules and state tax rules can still treat the LLC separately. California is an important example.

“California’s $800 tax starts only after the LLC earns $250,000.”

Incorrect. The $800 annual LLC tax is separate from the additional California LLC fee that begins at the applicable $250,000 income threshold.

The Key Distinction

The cleanest way to think about Evan’s decision is to separate three questions.

1. Does he have a business?

By early 2024, his recurring consulting activity increasingly looks like an ongoing business whether or not he forms an LLC.

2. Does he want a separate legal entity?

That is the LLC question.

It involves legal, operational, banking, contracting, ownership, administrative, and potentially liability considerations.

3. How should the business be taxed?

That is a separate tax-classification question.

A single-member LLC can remain disregarded or, if eligible and appropriate, elect a corporate tax classification.

The LLC does not automatically answer the tax question.

It creates another choice.

References

Treas. Reg. §301.7701-2 — Business Entities; Definitions
Primary federal authority explaining when a single-owner business entity is disregarded and how its activities are treated for federal tax purposes.
Treas. Reg. §301.7701-2

Treas. Reg. §301.7701-3 — Classification of Certain Business Entities
Primary federal authority for the default and elective tax classifications available to eligible entities, including single-member LLCs.
Treas. Reg. §301.7701-3

IRS — Single Member Limited Liability Companies
Current IRS guidance on disregarded SMLLC treatment, Schedule C reporting, self-employment tax, taxpayer identification numbers, employment taxes, and excise taxes.
IRS — Single Member Limited Liability Companies

IRS — Limited Liability Company (LLC)
Current IRS overview of LLC tax classifications, including disregarded entities, partnerships, and corporate elections.
IRS — Limited Liability Company

IRS — Instructions for the Requester of Form W-9
Current IRS instructions explaining how disregarded entities report the owner’s name, entity name, and federal tax classification on Form W-9.
IRS — Form W-9 Instructions

IRS — Form 8832, Entity Classification Election
Current IRS guidance for eligible entities electing a federal tax classification different from their default classification.
IRS — About Form 8832

IRS — Form 2553, Election by a Small Business Corporation
Current IRS guidance for eligible entities electing S corporation status.
IRS — About Form 2553

IRS — S Corporation Compensation and Medical Insurance Issues
Current IRS guidance on reasonable compensation for shareholder-employees of S corporations.
IRS — S Corporation Compensation

California FTB — Limited Liability Company
Current California guidance on LLC filing requirements, the annual LLC tax, the separate LLC fee, and California entity treatment.
California FTB — Limited Liability Company

California FTB — Single Member LLC
Current California guidance confirming that a disregarded SMLLC generally must file Form 568 and remains subject to the annual LLC tax and LLC fee when applicable.
California FTB — Single Member LLC

See This Rule in the Story

Episode 02 — Do I Need an LLC?

Evan’s consulting has grown from an unexpected payment into recurring work.

He thinks an LLC might make the business official—and perhaps save taxes.

Arthur gives him a different question:

What do you want the LLC to do?

READ EPISODE 02 →

Related Tax Guide

Side Hustle Income: When Does It Become a Business?

Before Evan asks whether he needs an LLC, he first has to understand when his consulting activity becomes a business for tax purposes.