Your first move as an executor is usually getting a tax ID for an estate. Banks require it before opening accounts, the IRS needs it for tax filings, and every institution holding the deceased's assets will ask for it when you request transfers. The application itself takes less than an hour online, and the EIN appears on screen as soon as you submit. But you'll need the right documentation ready, and a few choices you make during setup can affect when your first estate tax return is due.

TLDR:

• You need an estate EIN if the deceased's assets generate over $600/year in income or to open an estate bank account.
• Apply online at IRS.gov as the court-appointed executor; the process takes under an hour and you get your EIN instantly.
• Common mistakes include selecting the wrong entity type, entering mismatched dates, or using the deceased's SSN instead of the estate EIN.
• The estate's tax year starts on the date of death; choosing a non-December fiscal year end can give beneficiaries more tax control.
• Sunset files the EIN for you, then locates all accounts, generates probate documents for all 50 states, and opens an FDIC-insured estate bank account at no cost to families.

What Is an Estate EIN and Why You Need One

When someone dies, their estate becomes its own legal entity in the eyes of the IRS. It needs its own tax identification number, separate from the deceased's Social Security number. That number is called an Employer Identification Number, or EIN.

The name can throw people off. You don't need employees or a business to get one. For an estate, the EIN functions as the estate's federal tax ID, used to open estate bank accounts, file estate income tax returns on Form 1041, and handle transactions with financial institutions during settlement.

Think of the deceased's SSN as retired from active use. The estate EIN takes over from there.

When an Estate Requires a Tax ID Number

Not every estate immediately needs an EIN, but most cross that threshold quickly. The IRS requires an estate to file an income tax return (Form 1041) if its assets generate more than $600 in annual income, whether from interest, dividends, rental income, or other sources. That's a low bar. Most estates with any invested assets will clear it.

Banks enforce their own requirement too. Before opening an estate account, financial institutions require an EIN without exception. Under the USA Patriot Act's know-your-customer rules, every entity conducting financial transactions, estates included, must be formally identified. No EIN means no account, full stop.

Who Can Apply for an Estate EIN

The IRS designates one person as the "responsible party" on an estate EIN application: the individual with legal authority to control the estate's assets and decisions. That's typically one of three people:

• The executor, named in a will and authorized to carry out its instructions
• The administrator, appointed by a probate court when no valid will exists
• The personal representative, the broader legal term that covers both roles

Whoever applies must have their own Social Security number or ITIN. You cannot use the deceased's SSN to apply on the estate's behalf.

Timing matters. Apply as soon as Letters Testamentary or Letters of Administration are issued, since most banks will require both the EIN and those letters before opening an estate account.

Information Required to Apply for an Estate Tax ID

Gather everything below before opening the IRS application. There is no saving progress mid-way.

For the deceased:

• Full legal name, including any maiden names or aliases used on financial accounts
• Social Security number, date of death, and last known location

For the executor or administrator:

• Full legal name and Social Security number (or ITIN)
• Mailing location and state and county of court appointment

One item that catches people off guard: the estate's tax year end. You can choose any month-end as your fiscal close, though December 31 is the default. A non-calendar year can buy you more time before the first Form 1041 is due, so decide before you apply.

Step-by-Step Guide to Getting an EIN Online

The IRS online EIN application lives on the IRS website under the EIN Online Assistant, available Monday through Friday, 7 AM to 10 PM ET.

Here's how the process works:

• Select "Estate" as the entity type.
• Indicate whether the deceased had a will.
• Enter the deceased's full legal name, SSN, and date of death.
• Enter the executor's name and SSN.
• Confirm the state and county where probate was filed.
• Choose the estate's fiscal year end.
• Submit. Your EIN appears on screen immediately.

The whole process takes under an hour. Before clicking anywhere else, print or save the confirmation page. The IRS does not re-issue online EIN letters, and there's no retrieval option if you close the window without saving it.

Alternative Application Methods for Estate EINs

If the online application won't work, three alternatives exist. International applicants can call the IRS at 267-941-1099 to apply by phone. Everyone else can use Form SS-4, submitted by fax or mail.

Form SS-4 is free to download from the IRS website. Common reasons to go this route: the online system is temporarily down, you're applying from outside the U.S., or your identity didn't clear online verification and a paper trail becomes necessary.

Common Mistakes to Avoid When Applying

Small errors on an EIN application don't get flagged in real time. They come back as rejections or mismatched records weeks later. Here are the mistakes worth avoiding:

• Selecting the wrong entity type. Choose "Estate" only, not "Trust" or "Other." The IRS treats these differently.
• Entering the wrong date of death. Cross-reference the death certificate exactly. Even one digit off can cause a mismatch.
• Listing the wrong responsible party. The executor or administrator named by the court goes here, not a spouse or adult child helping informally.
• Using the deceased's SSN for new estate accounts. That number is retired. The estate EIN replaces it for all financial activity going forward.

Before submitting, check every field against your source documents.

Understanding the Estate's Tax Year and Start Date

The estate's tax year begins on the date of death. Every dollar of income earned after that point, whether from investments, rents, or business activity, belongs to the estate for tax purposes.

The IRS lets you pick any month-end as the fiscal year close. A non-December year end can compress the first reporting period and give beneficiaries more control over when distributed income hits their personal returns. If the estate earns income late in the calendar year, a January 31 fiscal close lets that income flow to beneficiaries in a tax year of their choosing, instead of forcing it into the current one.

How Long It Takes to Receive Your Estate EIN

The online confirmation is your EIN, usable immediately. You don't need to wait for a letter before opening an estate account or notifying financial institutions.

Fax and mail timelines can stretch when the IRS is running behind. If you need the EIN quickly and can't use the online tool, fax beats mail by weeks. For domestic estates with a domestic executor, though, there's rarely a reason to wait. The online application is open most weekdays and takes less time than the drive to a post office.

What to Do with Your EIN After You Receive It

Once the EIN is issued, put it to work right away:

• Open the estate bank account. Financial institutions require the EIN before accepting deposits or issuing estate checks.
• Re-register investment accounts from the deceased's SSN to the estate's EIN. Each brokerage has its own paperwork, but all require the number.
• File Form 1041 for any tax year the estate earns more than $600 in gross income.
• Issue 1099 forms to beneficiaries when distributing estate income.

Keep the IRS confirmation letter somewhere permanent. You'll need it repeatedly, and the IRS won't reissue it.

Managing estate settlement beyond the EIN

Getting the EIN is step 1. What follows, locating accounts, generating probate documents, opening estate accounts, and coordinating transfers, is where most executors lose months.

Sunset handles the EIN filing directly, then keeps going. We search across 2,500+ financial institutions to locate every account tied to the deceased, generate court-ready probate documents for all 50 states and 3,000+ counties, and open an FDIC-insured estate bank account ready to receive transferred funds. Free to families. Our bank partner earns interest on funds held during settlement; every dollar of principal goes to beneficiaries.

Final Thoughts on Applying for an Estate EIN

Getting a tax ID for an estate stops being the hard part once you realize the application takes ten minutes. The months of work come from what that number unlocks: probate filings, account transfers, and chasing down institutions that require three forms to release a single statement. Sunset files for the EIN, searches over 2,500 banks and brokerages to find every account tied to the deceased, and opens an FDIC-insured estate account that's ready to accept funds the day you need it. Save your confirmation page the second it loads, because the IRS won't send another one.

FAQ

How to get an estate tax id online?

Use the IRS online EIN application on the IRS website during business hours (Monday-Friday, 7 AM-10 PM ET). The process takes under an hour, and your EIN appears immediately on screen after you submit the application.

Can I apply for an estate EIN before probate court appoints me?

No. You need to be officially appointed as executor or administrator before applying, since you must provide the state and county where probate was filed. Apply as soon as Letters Testamentary or Letters of Administration are issued.

How long does it take to get a tax id number for an estate?

The online application produces your EIN immediately upon submission. Fax applications take up to four business days, and mail applications can take up to four weeks.

Estate EIN vs trust EIN: what's the difference?

An estate EIN is issued when someone dies and their assets need to be settled through probate or estate administration. A trust EIN is for revocable or irrevocable trusts, which are separate legal entities. The IRS treats them differently, so choosing the wrong entity type on the application will cause problems later.

When is an estate tax return required?

The IRS requires an estate to file Form 1041 if the estate generates more than $600 in annual income from interest, dividends, rental income, or other sources. Most estates with any invested assets clear that threshold quickly.