If you don't have a Social Security number, you've probably wondered whether you can ever buy a house. The short answer is yes — and the ITIN is the key. Here's what an ITIN is, in plain English, and how it opens the door to homeownership.
What an ITIN is
An ITIN (Individual Taxpayer Identification Number) is a 9-digit number the IRS gives to people who need a U.S. tax ID but can't get a Social Security number. It's available no matter your immigration status, and it begins with a 9. Its main job is to let you file and pay taxes.
What an ITIN does — and doesn't do
It's important to be clear about this. According to the IRS, an ITIN does not authorize you to work, does not change or grant immigration status, does not give Social Security benefits or the Earned Income Tax Credit, and is not an ID outside the tax system. It's only for taxes — and there's nothing to fear about getting one.
ITIN vs. Social Security Number
| ITIN | SSN | |
|---|---|---|
| Issued by | The IRS | Social Security Administration |
| Immigration status | Doesn't matter | Requires authorization |
| Used for taxes | Yes | Yes |
| Authorizes work | No | Yes |
| Works for a mortgage | Yes (ITIN loan) | Yes |
How an ITIN helps you buy a house
This is where the ITIN changes lives. With an active ITIN and two years of tax returns, you can qualify for an ITIN mortgage — a real home loan that uses your ITIN instead of an SSN. These loans usually ask for 10% to 20% down. Thousands of families buy homes this way every year.
How to get an ITIN
You apply with IRS Form W-7 and documents that prove your identity and foreign status (a passport works on its own; otherwise two documents, one with a photo). You can mail it, visit an IRS Taxpayer Assistance Center by appointment (844-545-5640), or use a Certifying Acceptance Agent so you don't mail your originals. Plan for about 7 weeks (9–11 during tax season).
Ready to use your ITIN to buy a home? Read the full step-by-step guide at detuladocasas.com/en/steps-to-buying-a-house, and the Spanish ITIN guide at detuladocasas.com/que-es-el-itin. Then text Sal — he works with ITIN-friendly lenders in Palmdale, Lancaster, and the Antelope Valley.
Frequently Asked Questions
What is an ITIN?+
An ITIN (Individual Taxpayer Identification Number) is a 9-digit number the IRS issues to people who need a U.S. tax ID but aren't eligible for a Social Security number. It's available regardless of immigration status and is used for federal tax purposes.
What does an ITIN let you do — and not do?+
An ITIN lets you file taxes, open some bank accounts, and qualify for an ITIN mortgage to buy a home. Per the IRS, it does NOT authorize you to work, change your immigration status, give Social Security benefits, or serve as ID outside the tax system.
Can you buy a house with an ITIN and no SSN?+
Yes. ITIN mortgages accept your ITIN instead of a Social Security number. They typically ask for 10–20% down and 2 years of tax returns filed with your ITIN. Owning a home does not depend on immigration status.
How do you get an ITIN?+
You apply with IRS Form W-7 plus documents proving identity and foreign status. You can mail it, visit an IRS Taxpayer Assistance Center by appointment (844-545-5640), or use a Certifying Acceptance Agent. Processing takes about 7 weeks (9–11 in tax season).
Questions? We're Here.
Talk to Sal — Hablamos Espanol
Bilingual real estate agent serving Palmdale, Lancaster, Quartz Hill, and all of Antelope Valley. No pressure, no jargon.