A credit check requires a few key pieces of personal information: your full legal name, date of birth, current and previous addresses, and typically your Social Security number. Beyond those basics, what else is needed depends on who is pulling the report, why they’re pulling it, and whether you’re the one requesting it yourself.
Personal Information Used in a Credit Check
Credit bureaus use a combination of identifiers to locate and match your credit file. The standard set includes your full name (including middle initial and any generational suffix like Jr. or III), your date of birth, your Social Security number (full or partial), and your current address. Some credit files also include employment information, though this is used for identification purposes rather than scoring.
Your SSN is the most reliable matching tool because it’s unique to you. When a lender, landlord, or employer requests a credit check, they’ll almost always ask you to provide it. That said, a Social Security number isn’t the only way a bureau can locate your file. If you don’t have an SSN, bureaus can match your records using your name, address history, and date of birth combined with information your lenders have already reported.
Getting a Credit Report Without an SSN
If you don’t have a Social Security number, you can still request your own credit report by submitting a written request. You’ll need to include a copy of a government-issued ID (such as a driver’s license or state ID card showing your current address), plus a copy of a current utility bill, bank statement, or insurance statement. Along with those documents, provide your full name, date of birth, and complete addresses for the past two years.
An Individual Taxpayer Identification Number (ITIN) is sometimes used in place of an SSN, but credit bureaus flag it as an invalid Social Security number on your report. It can still help identify your file, but it doesn’t function as a direct SSN replacement in the credit system. Avoid anything marketed as a “Credit Privacy Number” or CPN. These are not issued by any government agency, and using one to apply for credit may be considered identity theft and fraud.
Who Can Run a Credit Check on You
Federal law limits who can pull your credit report. Under the Fair Credit Reporting Act, a credit bureau can only release your report when the requester has what’s called a “permissible purpose.” The most common ones are:
- Credit applications: Any lender evaluating you for a loan, credit card, or line of credit.
- Rental applications: Landlords screening prospective tenants or reviewing lease renewals.
- Employment screening: Employers considering you for a job, though they face stricter consent rules.
- Insurance underwriting: Insurers assessing risk when you apply for a policy.
- Account reviews: Banks or card issuers you already have accounts with, checking whether you still meet their terms.
- Government benefit determinations: Agencies required by law to consider your financial status for a license or benefit.
No one can legally pull your credit report just because they’re curious. A random business or individual without a qualifying reason has no right to access your file.
Consent and Authorization Requirements
For most credit checks, the process starts with your written authorization. When you sign a credit application for a mortgage, auto loan, or credit card, you’re giving permission for that lender to pull your report. The same applies when you fill out a rental application that includes a credit check disclosure.
Employment credit checks have the strictest rules. Before an employer can pull your report, they must give you a standalone written disclosure (not buried in other paperwork) stating that a credit report may be obtained. You then have to authorize it in writing. If the employer decides not to hire you based partly on what the report shows, they’re required to notify you, tell you which bureau supplied the report, and inform you of your right to dispute any inaccurate information and get a free copy of the report within 60 days.
Landlords face similar obligations. If a landlord rejects your application, raises your deposit, or requires a co-signer based on your credit report, they must give you an adverse action notice. That notice has to include the name and contact information of the credit bureau, a statement that the bureau didn’t make the decision, and information about your right to dispute inaccuracies. If a credit score specifically influenced the decision, the landlord must also share the score itself, its range, and the key factors that hurt it.
Hard Inquiries vs. Soft Inquiries
Not every credit check works the same way. The distinction between a hard inquiry and a soft inquiry matters because one can affect your credit score and the other cannot.
A hard inquiry happens when you actively apply for something that involves a credit decision: a new credit card, a mortgage, an auto loan, an apartment lease, or even a cell phone contract. Hard inquiries can lower your credit score by up to five points each, and they stay on your report for two years. Other lenders can see them, which means multiple hard pulls in a short period can signal to future creditors that you’re taking on a lot of new debt.
A soft inquiry happens without you initiating it, or when you check your own credit. Common soft pulls include pre-approved credit card offers in your mailbox, your current lender reviewing your account for a credit limit increase, and checking your own score through a free monitoring service. Soft inquiries don’t affect your score at all, and only you can see them on your report. Checking your own credit as often as you like will never hurt your score.
What to Prepare Before a Credit Check
Whether you’re applying for a loan, renting an apartment, or just pulling your own report, having the right information ready speeds things up. At a minimum, you’ll want:
- Your full legal name as it appears on official documents, including middle name or initial.
- Your Social Security number (or documentation to substitute for it, as described above).
- Your date of birth.
- Your current address and previous addresses for the past two years.
- A government-issued photo ID if you’re requesting your report by mail or disputing information.
For lending applications, you’ll also typically need proof of income (pay stubs or tax returns), employment details, and information about your existing debts. These aren’t needed for the credit check itself, but lenders use them alongside your credit report to make their decision.
You’re entitled to one free credit report per year from each of the three major bureaus (Equifax, Experian, and TransUnion) through AnnualCreditReport.com. Pulling your report before applying for credit lets you spot errors and address them before a lender sees them.