eeinforllc.co
Writing from the filing team

The einforllc.co Blog

Form SS-4 decides how the IRS treats an LLC for the life of the company. These pages take the fields, the deadlines, and the state layers one at a time.

19guides published, across 12 categories. Updated .
Featured
Tax filing

Form 1065 for an LLC: Who Files It and When (2026)

Form 1065 for an LLC is the partnership return every multi-member LLC files each year. See who files, the March 15 deadline, Schedule K-1, and the EIN it filed under.

·Read the guide →
Form 1065, the US Return of Partnership Income, filed every year by every LLC with 2 or more members. Due March 15, with one Schedule K-1 per member.

Which EIN filing guides are on the blog?

18 more
Tax filingClassificationEIN recordsState guidesEcommerceReal estateOwnershipEntity typesStructure and classificationMember countElections and changesTimelines
Classification

Form 8832 vs Form 2553: Which Does Your LLC Need? (2026)

Form 8832 elects C corporation taxation. Form 2553 elects S corporation. Compare the deadlines, the self-employment tax effect, and which one an LLC files.

Read →
EIN records

CP 575 vs 147C Letter: What Is the Difference? (2026)

CP 575 is the original EIN confirmation letter. Letter 147C is the free replacement you request any time. Banks accept both. How to get a 147C in 2026.

Read →
State guides

EIN for a Florida LLC: How to Apply (2026)

A Florida LLC gets its EIN from the IRS on Form SS-4, free on every channel. There is no Florida EIN. Sunbiz approval first, then the federal application.

Read →
State guides

EIN for a California LLC: Application and Tax (2026)

A California LLC gets its EIN free from the IRS on Form SS-4. California then charges an $800 minimum franchise tax every year regardless of income.

Read →
State guides

EIN for a New York LLC: How to Apply (2026)

A New York LLC gets its EIN free from the IRS on Form SS-4. New York then adds a publication requirement within 120 days of formation, in 2 newspapers.

Read →
Ecommerce

EIN for an Amazon FBA LLC: Seller Central Setup (2026)

Amazon Seller Central asks for a tax ID during registration. A US LLC uses its EIN on the W-9. How to get one, with or without an SSN, and what Amazon checks.

Read →
Real estate

EIN for a Real Estate LLC: Investor Guide (2026)

A real estate LLC needs its own EIN for closings, rental income and bank accounts. Why each property entity gets a separate number, and how series LLCs differ.

Read →
Ecommerce

EIN for an Etsy or Shopify LLC: Tax Setup (2026)

Etsy and Shopify both collect a tax ID for seller verification. An LLC uses its EIN on the W-9, and Shopify Payments needs it to activate payouts.

Read →
Ownership

LLC Ownership Change: Do You Need a New EIN? (2026)

Adding or removing members of a multi-member LLC keeps the EIN. Going from 1 member to 2, or 2 to 1, requires a new one under Revenue Rulings 99-5 and 99-6.

Read →
Classification

Disregarded Entity EIN: When Your LLC Needs One (2026)

A disregarded entity is a single-member LLC the IRS ignores for income tax. When it still needs its own EIN, and why foreign-owned ones file Form 5472.

Read →
State guides

EIN for a Delaware LLC: The Federal Number, the Delaware Steps (2026)

An EIN for a Delaware LLC is the same 9-digit federal number issued in all 50 states. See when the Certificate of Formation lets you file Form SS-4, the $300 franchise tax due June 1, and the no-SSN fax route.

Read →
State guides

EIN for a Texas LLC: What Is Federal and What Is Texas (2026)

An EIN for a Texas LLC is federal and identical in all 50 states. See when to file Form SS-4 after the Certificate of Formation, and the 4 separate Texas registrations the EIN does not cover.

Read →
State guides

EIN for a Wyoming LLC: The Federal Number, the State Steps (2026)

An EIN for a Wyoming LLC is the same federal 9-digit number issued in all 50 states. See the 6 SS-4 lines that change, why Wyoming privacy stops at line 7a, and the $0 IRS fee.

Read →
Entity types

EIN for a PLLC: The Licensed-Professional Filing (2026)

An EIN for a PLLC comes from the same Form SS-4 every LLC files. See the 6 lines that decide the outcome, why the PLLC designator on line 1 causes rejections, and the $0 IRS fee.

Read →
Structure and classification

EIN for a Series LLC: One Number or One Per Series? (2026)

An EIN for a series LLC starts at 1 for the master LLC. See the 4 triggers that force a separate EIN per series, the 2010 proposed rules the IRS never finalized, and the $25,000 exposure per series.

Read →
Member count

Husband and Wife LLC EIN: One Number, Two Classifications (2026)

A husband and wife LLC EIN covers 2 members and 1 entity. See why an LLC cannot use the section 761(f) qualified joint venture election, which 9 states open the Rev. Proc. 2002-69 road, and what goes on SS-4 line 8b.

Read →
Elections and changes

Does an LLC Need a New EIN for an S Corp Election? (2026)

No. An LLC keeps its 9-digit EIN when it files Form 2553. See the 2-month-15-day deadline, the 3-year-75-day late relief, and the 3 events that do force a new EIN.

Read →
Timelines

How Fast Can an LLC Get an EIN? The Honest Timeline (2026)

How fast can an LLC get an EIN? 15 minutes online with an SSN, 4 business days by IRS fax without one, 4 weeks by mail. Here is why same-day EIN offers do not apply to every LLC.

Read →

Ready to file the 9-digit EIN for your LLC?

The EIN comes from Form SS-4, and lines 8a, 8b, and 9a set the LLC’s federal tax treatment for the life of the company. We review your Articles, match the legal name character for character, and set those three lines to your actual structure. Standard is $97, filed by fax within 7 business days, or that fee is refunded, with the EIN and CP-575 landing in 16–19 business days. Fast is $127, filed within 24 hours with the IRS call included, and lands in 6 to 8 business days.

Get My LLC's EIN for $97

No SSN required · Year 2 and beyond: $0 · how to get an EIN for an LLC