The short version: a New York EIN is free, and the IRS issues it the same day you apply online, as of 2026. It’s a federal number, so the application is identical nationwide. What’s local starts after you form your New York LLC: registering with the Department of Taxation and Finance and the Department of Labor through New York Business Express.
How to Get a New York EIN for Your LLC
A New York EIN is a free federal tax ID from the IRS, not a state number; you apply online and get it the same day, and most New York LLCs need one to open a business bank account, hire, or register for state taxes.
- Cost: Free from the IRS. Third-party sites charge $150 to $300 for the same filing.
- Where: Online with the IRS EIN Assistant, or Form SS-4 by fax or mail if you can’t.
- Time: Same-day online, about 4 business days by fax, 4 to 5 weeks by mail.
- You’ll need: Your approved LLC name, a responsible party with an SSN or ITIN, and your entity type.
- The New York part: Register with the Department of Taxation and Finance for sales tax and withholding, and the Department of Labor for unemployment, through New York Business Express.
- IRS help line: 800-829-4933 for questions; international applicants with no U.S. presence apply at 267-941-1099.
Does Your New York LLC Need an EIN?
Whether your New York LLC needs an Employer Identification Number comes down to two things: how it’s taxed, and whether it has employees. For most owners the honest answer is yes, even when it isn’t strictly required.
By default the IRS treats a single-member LLC as a disregarded entity, so a solo owner can sometimes get by on an SSN. Banks, payroll, and every New York tax account push the other way, though, so you’ll usually want one regardless:
| Business type | EIN required? | Notes |
|---|---|---|
| Single-member LLC, no employees | No (recommended) | An EIN keeps the owner’s SSN off forms and is needed for a bank account |
| Single-member LLC with employees | Yes | Payroll and employment tax require an EIN |
| Multi-member LLC | Yes | Taxed as a partnership by default; an EIN is mandatory |
| LLC taxed as S-corp or C-corp | Yes | The corporate election (Form 2553 or 8832) requires an EIN |
| Sole proprietor (no LLC) | Sometimes | Only with employees or certain excise taxes |
| Partnership | Yes | Every partnership needs its own EIN |
How to Apply for a New York EIN Online, Step by Step
Most New York LLC owners get through the online EIN application in a single sitting. The IRS EIN Assistant keeps its own schedule, though, so timing matters if you’re filing late at night. In Aaron Kra’s experience, the entity-type screen below sends more New York applications back for a refile than anything else in the process:
- Confirm your LLC is approved: New York issues a Department of State filing receipt when your Articles of Organization clear; the application needs that exact legal name.
- Open the IRS EIN Assistant: It runs Monday to Friday, 6:00 a.m. to 1:00 a.m. ET; Saturday, 6:00 a.m. to 9:00 p.m. ET; and Sunday, 6:00 p.m. to midnight ET.
- Select the entity type: This is the screen that trips people up; a standard LLC isn’t a “corporation,” and the wrong box forces a refile.
- Enter the legal name and any trade name: Use the filing-receipt name, then add a DBA only if you’ve registered one.
- Name the responsible party: A natural person with a Social Security number or ITIN, not the LLC itself, unless a government entity applies.
- Choose your reason for applying: “Started a new business” fits most New York LLCs.
- Save the CP 575 immediately: The IRS won’t resend it; after that, you can only request a Letter 147C replacement.
New York EIN Approval (EIN Confirmation Letter): Save Your CP 575 Before State Registrations
Once the IRS approves your New York EIN, the confirmation screen lets you download the CP 575. This is the official IRS EIN confirmation letter, and it is the document to save before you move into New York Business Express, sales tax, withholding, unemployment, or bank paperwork.
What it looks like
The CP 575 shows your LLC’s legal name, mailing address, assigned EIN, and IRS notice date. For a New York LLC, compare the name against the Department of State filing receipt before using the EIN on a Certificate of Authority application, withholding setup, or Department of Labor employer registration.
New York reminder: your EIN is not your New York sales tax Certificate of Authority, withholding account, or Department of Labor employer registration number. The IRS issues the EIN once, so download the CP 575 before closing the session; if you lose it later, you normally request a 147C verification letter instead.
Can’t apply online? Fax Form SS-4 and the EIN usually lands within 4 business days; mail takes 4 to 5 weeks. International applicants with no U.S. presence can call 267-941-1099 on weekdays, though that line isn’t open to domestic applicants.
The EIN is free, plain and simple. The Internal Revenue Service issues it directly, so any site charging $150 to $300 to “get your EIN fast” resells a form you can file yourself. The IRS also issues one EIN per responsible party per day, so space out multiple entities.
Use the New York filing receipt before the EIN record is created.
The EIN is free through the IRS, but the confirmation letter should mirror the New York Department of State record exactly. Your filing-receipt name, LLC entity choice, responsible party, and CP 575 download all need to be clean before the number goes to the bank, tax accounts, or later business filings. Northwest Registered Agent can help with New York LLC formation, registered agent service, and EIN filing support if you want those steps organized before the federal number becomes part of your business record.
What You Need Before Applying for a New York EIN
Gathering a few details first keeps the application quick, and most come straight off your New York formation paperwork.
- Approved LLC legal name: As it appears on your Department of State filing receipt.
- Responsible party and TIN: A natural person with an SSN or ITIN who controls the LLC.
- Entity type and reason: How the LLC is taxed, and why you’re applying.
- Business address and start date: Your principal New York business location.
Order matters: apply only after the LLC is approved, so the CP 575 name matches the state record. Since approval times swing, it’s worth checking how long New York LLC approval takes before you schedule payroll.
Budget for the state side too. The $200 Articles of Organization fee is separate from the free EIN, and the full New York LLC filing costs are worth a look up front. New York also adds a publication requirement: within 120 days of formation, the LLC publishes in two newspapers and files a $50 Certificate of Publication. That’s formation, not the EIN.
EIN vs Your New York Sales Tax and Employer Numbers
This is where New York LLC owners get tangled. The EIN is one IRS number; New York hands out several more, from different agencies, for different jobs, and they don’t interchange. Calling any of them a “New York EIN” is shorthand; the state doesn’t issue EINs at all.
| Feature | Federal EIN | New York State Numbers |
|---|---|---|
| Issued by | IRS | Dept of Taxation and Finance; Dept of Labor |
| Used for | Federal taxes, bank account, payroll setup, state registration | Sales tax, withholding, unemployment insurance |
| Examples | One EIN per entity | Sales tax Certificate of Authority, withholding account, DOL eight-digit employer number |
| Who needs it | Most LLCs | LLCs that sell taxable goods, hire, or both |
| Where to get it | IRS EIN Assistant | New York Business Express |
Aaron Kra’s New York Number Reminder
I’ll be blunt: the EIN is the easy part, and in New York it’s the part that fools people into thinking they’re done.
In nine years of filing across 25-plus states, the New York EIN-versus-state-number mix-up is the one I see most. I’ve sat with owners who tried to file a first sales tax return on the EIN alone, then learned the Tax Department wanted a Certificate of Authority number the IRS never issued.
Registering for New York State Taxes After Your EIN
Once the EIN’s in hand, it unlocks the New York registrations that actually apply to your LLC. Which ones depends on what you sell and whether you hire.
Sales tax: the Certificate of Authority
Selling taxable goods or services? New York wants a Certificate of Authority before you ring up a single sale. You register as a sales tax vendor through New York Business Express, and here’s the catch. You apply at least 20 days ahead, and you can’t collect tax until the certificate’s in hand.
Remote sellers have their own trigger: registration kicks in once you pass both $500,000 in receipts and 100 sales delivered into New York over the prior four sales tax quarters. One alone doesn’t count, and marketplace sellers can still owe registration even when a platform collects for them.
Aaron Kra’s Certificate of Authority Timing Warning
The Certificate of Authority timing is the New York trap I warn every client about. I’ve seen it play out the same way more than once.
Inventory’s in, the storefront’s live, the first orders land, and only then does the owner realize they can’t legally collect sales tax yet, because the certificate hasn’t cleared.
Withholding and unemployment insurance
Planning to hire? Two registrations land at once. New York runs withholding (state, plus New York City and Yonkers where they apply) through the Department of Taxation and Finance, and unemployment insurance through the Department of Labor. One form, the NYS-100, opens both, so you’re not chasing two agencies.
You register for unemployment insurance and withholding together on New York Business Express. The Department of Labor then issues an eight-digit employer registration number, and you file the combined NYS-45 every quarter. UI liability usually starts in the quarter you pay $300 or more in wages, and you report new hires within 20 days.
Other New York layers to know
A few extra obligations catch New York LLCs off guard:
- IT-204-LL annual filing fee: Most New York LLCs owe an annual fee from $25 to $4,500, based on New York source gross income.
- New York S corporation election: A federal S election doesn’t carry over on its own; you file Form CT-6 to be treated as a New York S corporation.
- MCTMT: Businesses and self-employed people in the metropolitan commuter region may owe this tax once they cross the threshold.
These run alongside recurring duties like filing a New York biennial report and keeping your operating agreement current. To register, you’ll sign into New York Business Express with a NY.gov Business account; your EIN is required, which is why you get it first.
Certificate of Authority and Other New York EIN Mistakes
The EIN slip-ups Boost Suite sees most in New York aren’t the federal ones; they’re local, and a couple get expensive fast.
- Picking the wrong entity type: Choosing “corporation” for a standard LLC on the SS-4 forces a refile.
- Assuming the EIN covers sales tax: It doesn’t; New York still wants a Certificate of Authority from the Tax Department.
- Selling before the certificate clears: New York treats this as unregistered selling, with penalties up to $10,000.
- Naming a company as responsible party: The IRS wants a natural person with an SSN or ITIN, not the LLC or a nominee.
- Skipping employer registration after a hire: Miss the NYS-100, and your first NYS-45 has nowhere to land.
- Expecting a federal S election to carry over: New York needs its own CT-6.
One quieter trap is a name mismatch: if the EIN name doesn’t match the Department of State record, banks and the Tax Department flag it. Still choosing how to set things up? It’s worth weighing your New York registered agent options and comparing New York LLC services first.
How to Find a Lost EIN or Update Your New York LLC
Lost the CP 575, the EIN confirmation letter? Worth flagging up front: an EIN never expires. You can look up your EIN number on a past federal return, an old bank application, or by asking the IRS for a Letter 147C.
Your New York sales tax and withholding numbers live in your Business Online Services account, and the employer number sits with the Department of Labor.
Some changes call for a new EIN; most don’t. Converting a sole proprietorship into an LLC, or going from single-member to multi-member, generally means a fresh one. A name or address change doesn’t: you report those on Form 8822-B, and a classification change runs through Form 8832.
Need the LLC’s exact registered name before updating anything? A New York LLC lookup against state records is the fastest check.
New York EIN: Common Questions, Answered
A few questions come up on nearly every New York filing. Here are clear answers to the ones that matter before you start.
Does New York issue its own EIN, or is it the same federal number?
It’s the same federal number, full stop. New York doesn’t issue EINs; the IRS does, and that one EIN works statewide. New York layers its own accounts on top, like a sales tax Certificate of Authority and a withholding account, but each references your EIN rather than replacing it.
How is my EIN different from a New York sales tax Certificate of Authority?
They do two different jobs. Your EIN is the federal tax ID the IRS assigns your LLC. The Certificate of Authority is New York’s permission, from the Department of Taxation and Finance, to collect sales tax. You get the EIN first, since the state asks for it during registration, then the certificate before any taxable sale.
Can I make taxable sales in New York before my Certificate of Authority arrives?
No, and New York is firm about it. You can’t legally collect sales tax until the certificate is in hand, and selling without it can draw penalties up to $10,000. Register at least 20 days before your start date so it clears in time.
When does my New York LLC have to register as an employer?
Before your first payroll runs. Unemployment insurance liability generally begins in the calendar quarter you pay $300 or more in wages, and withholding registration happens through the same NYS-100 form. Both run through New York Business Express, and the Department of Labor assigns your eight-digit employer registration number.
Does my federal S corporation election make my LLC a New York S corporation?
Not automatically, and this one catches people every year. A federal election on Form 2553 settles your federal status, but New York requires a separate election on Form CT-6 in most cases. Skip it, and the state can keep taxing the company under Article 9-A, which is rarely what the owner intended.
Can a foreign owner get an EIN for a New York LLC without an SSN?
Yes; you don’t need a Social Security number. A responsible party without an SSN or ITIN applies by fax or mail on Form SS-4 rather than the online tool. International applicants with no U.S. presence can also call 267-941-1099, the line reserved for them, which domestic applicants can’t use.
- New York Department of State: Certificate of Publication for a Domestic LLC
- IRS: Get an Employer Identification Number
- IRS: Instructions for Form SS-4
- New York Department of Taxation and Finance: Register as a Sales Tax Vendor
- New York Department of Taxation and Finance: Withholding Tax Requirements
- New York Department of Labor: Register for Unemployment Insurance
- New York Department of State: Articles of Organization for a Domestic LLC
Looking for an overview? See New York LLC Services
Get Your New York EIN with Harbor Compliance
Starting a New York business often means getting an EIN before opening a bank account, hiring employees, or setting up tax registrations. Harbor Compliance helps you apply for your federal tax ID with a cleaner, more organized filing process.
