Build a Credit Score in the USA as an Immigrant (Even Without an SSN)

You can have a spotless record with banks in Lagos, Mumbai or Manila and still arrive in the United States with no credit score at all. US lenders, landlords and even car insurers rely on three domestic credit bureaus, and those bureaus know nothing about your past. To them you are a blank page.

This guide is for new immigrants, students and workers who want a usable US credit score as quickly as possible, including people who don't have a Social Security number. It covers the ITIN route, secured cards, credit-builder loans, bringing your foreign credit history across, and the mistakes that cost newcomers years.

The honest answer on timing: most people can get a first FICO score about six months after opening their first credit account, and a good score (roughly 700 and above) in 12 to 24 months of careful use. There is no legitimate shortcut that skips that clock entirely.

Why your foreign credit history doesn't follow you

Equifax, Experian and TransUnion each operate in other countries, but their national databases don't talk to each other. A 780 score in Canada or a clean CRC report in Nigeria simply doesn't exist in the US file.

That has real costs. Without a score, landlords may ask for several months' rent upfront, mobile carriers want a deposit, car insurers in most states charge more, and mortgage lenders won't talk to you. The good news is that building from zero is easier than repairing a damaged file, as long as you avoid early mistakes.

SSN, ITIN or neither: what you can do with each

Your Social Security number is the standard key that ties your credit history together. If you are authorized to work, apply at a Social Security office as soon as you arrive, or tick the box on your immigrant visa or work permit application so the card is issued automatically.

If you can't get an SSN (for example, a dependent spouse without work authorization, or a foreign investor), you may qualify for an Individual Taxpayer Identification Number. The IRS issues it for tax purposes using Form W-7, usually filed with a tax return. There is no IRS fee, and the IRS ITIN page says to allow about seven weeks, or 9 to 11 weeks in tax season or from abroad. An ITIN expires if you don't use it on a federal return for three consecutive years.

What each identifier gets you:

• SSN: access to every mainstream card, loan and bank product.
• ITIN: many large banks and credit unions accept it for accounts, secured cards and some loans; the bureaus can build a file on it. Call before applying, since online forms often demand an SSN even when branches accept an ITIN.
• Neither: limited to products that accept a passport and foreign address, prepaid cards (which don't build credit) and some fintech accounts. Your first priority should be an ITIN.

When you later get an SSN, ask each bureau and each lender to update your file from the ITIN to the SSN so your history carries over.

How FICO scores are calculated

Most lenders use a version of FICO. VantageScore, built by the three bureaus, uses similar factors, and in 2025 the federal housing regulator began allowing VantageScore 4.0 for mortgages sold to Fannie Mae and Freddie Mac.

Source: myFICO. The table explains why a $300 secured card used carefully can outscore a $10,000 limit that is maxed out.

Step one: open a US bank account

A checking account doesn't build credit directly, but you need one to pay bills and to qualify for most secured cards. Many banks open accounts for newcomers with a passport, visa or green card, proof of US address, and an SSN or ITIN. Some will accept a foreign passport alone at a branch.

If you are sending money home or receiving it, compare transfer costs early; bank wires often cost far more than specialist services. Our guide to the cheapest way to send money abroad covers that.

Secured credit cards

A secured card is the standard first step. You place a refundable deposit, often a few hundred dollars, and that becomes your credit limit. The issuer reports your payments to the bureaus exactly like a normal card.

How to use one properly:

1. Choose a card that reports to all three bureaus and has no annual fee, or a small one.
2. Put one small recurring bill on it, such as your phone plan or a streaming subscription.
3. Pay the full statement balance every month, automatically, from your checking account.
4. Keep the balance reported on the statement low; your limit is small, so a $200 grocery run can show 70% utilization.
5. After 6 to 12 months, ask whether the issuer will "graduate" you to an unsecured card and return your deposit.

Avoid "credit cards" that charge large upfront fees or only let you buy from one online store. They tend to report inconsistently and cost more than they build.

Credit-builder loans

A credit-builder loan works backwards. The lender places a small loan amount in a locked savings account; you make fixed monthly payments; when you finish, you receive the money. Your on-time payments are reported as an installment loan, which adds to your credit mix.

Credit unions and community banks often offer them at low cost, and several online lenders do as well, some accepting ITINs. Read the total cost, including interest and fees, and only take one if the monthly payment is comfortable. Missing a payment on a loan meant to build credit defeats the purpose.

Bring your international credit history with you

Nova Credit, a US company, translates credit reports from a list of other countries into a format some US lenders accept. If you come from a supported country and apply for a product that uses it (American Express cards are the best-known example, along with some landlords and lenders), you may be approved based on your home-country file rather than starting from zero.

This doesn't create a US score on its own, but it can get you a real, unsecured card in your first month, which then starts building your US file. Check the lender's application page for the list of supported countries, since it changes.

Long-standing customers of a global bank can also ask whether it offers cards to customers moving to the US based on their relationship abroad.

Becoming an authorized user

If a spouse, relative or close friend has a long, clean US credit card history, they can add you as an authorized user. Many issuers then report that account on your file, giving you their account's age and payment history.

Only do this with someone whose card you'd trust with your name. If they miss payments or run the balance up, it shows on your report too. Ask the issuer whether it reports authorized users to all three bureaus, and whether it needs your SSN or ITIN to do so.

Rent, utility and phone payments

Rent is probably your biggest monthly bill, and it usually isn't reported. That is changing. Some landlords and property managers report rent to one or more bureaus, and paid rent-reporting services exist for tenants whose landlords don't.

Experian Boost lets you add on-time utility, phone, streaming and, in some cases, rent payments to your Experian file for free. It only affects scores based on Experian data, but it costs nothing and can help a thin file.

How long it takes

These are typical patterns, not guarantees. Your score depends on what's in your file and which scoring model a lender uses.

Mistakes that set newcomers back

• Paying late, even once. Set up automatic payment for at least the minimum on every account.
• Maxing out a small limit. High utilization drags your score down even when you pay in full.
• Applying for many cards at once. Each application triggers a hard inquiry, and rapid-fire applications signal risk.
• Closing your first card. It holds your oldest account; keep it open with a small charge every few months.
• Ignoring a small bill. Unpaid medical bills, phone bills or parking fines can be sent to collections and stay on your report for up to seven years.
• Leaving the US with debt. Accounts you abandon keep reporting as delinquent, and the damage is waiting when you come back.
• Falling for "credit repair" pitches. Nobody can legally remove accurate negative information. The Consumer Financial Protection Bureau explains your free dispute rights.

Check your reports from all three bureaus free every week at AnnualCreditReport.com, and freeze your credit at each bureau when you aren't applying for anything. Identity theft hits new arrivals often because thieves know their files are thin.

Using your score: renting, car insurance and mortgages

Your score will soon matter well beyond credit cards. Landlords check it, car insurers in most states use a credit-based insurance score in pricing, and mobile carriers waive deposits once you have a file.

For buying a home, a green card holder can usually access the same mortgages as citizens with a reasonable score and two years of income history. Non-permanent residents face more limits: since May 2025, the federal FHA program no longer insures new loans for non-permanent residents, so visa holders generally need conventional loans. ITIN mortgages exist through specialist lenders but carry higher rates and larger down payments.

If you are on a work visa and planning to stay, our guide to the US employment green card explains the route to permanent residence. Students can read our guide to studying in the USA for banking and money tips specific to F-1 visas.

Frequently Asked Questions

Can I build credit in the USA without an SSN?

Yes. Apply for an ITIN from the IRS, then use it to open a bank account and a secured card with a lender that accepts ITINs. Bureaus can build a file on an ITIN, and you can link it to your SSN later.

How fast can I get a credit score as an immigrant?

A FICO score usually appears about six months after your first account is reported. Some VantageScore models can score you sooner. Building a good score typically takes 12 to 24 months of on-time payments and low balances.

Does my credit history from my home country count in the US?

Not automatically. US bureaus don't import foreign files. Some lenders accept a translated report through Nova Credit for applicants from supported countries, which can get you approved faster.

Is a secured card or a credit-builder loan better?

Start with a secured card, since it's the most flexible and widely reported. Add a credit-builder loan a few months later if you want to show an installment account. Having both, paid on time, usually beats either alone.

Does checking my own credit lower my score?

No. Checking your own reports or scores is a soft inquiry and has no effect. Only applications for new credit cause hard inquiries.

Final Thoughts

Credit in the US rewards boring consistency. Get an SSN or ITIN, open one secured card in your first month, put a small bill on it, and pay it in full automatically. Six months later you will have a score; two years later it will likely be good enough for a car loan or an apartment without a large deposit.

The people who struggle are usually those who apply for everything at once, let one bill slip into collections, or close their oldest account. Avoid those three, keep an eye on your reports, and your blank page fills in faster than you might think.