Does preapproval affect your credit score?

It depends on the type of preapproval. A prequalification or soft-pull preapproval does not affect your credit score at all. A hard-pull preapproval — where the lender pulls a full credit report — does create a hard inquiry and typically lowers your score by a few points temporarily. Most credit card preapprovals and many mortgage prequalifications use a soft pull; formal mortgage preapprovals and most auto loan preapprovals use a hard pull.

The word 'preapproval' covers two very different processes. One checks your credit with a soft inquiry — invisible to other lenders and with zero score impact. The other initiates a hard inquiry that appears on your credit report and can trim your score by a few points. Before you accept any preapproval offer, it's worth knowing which type the lender is using.

Soft pull vs. hard pull: the key distinction

Soft inquiry (soft pull) — a review of your credit file that lenders use for prequalification, preapproval marketing offers, and identity verification. Soft pulls do not affect your credit score and are not visible to other lenders on your credit report. You can check your own credit score as many times as you like — that is also a soft pull.
Hard inquiry (hard pull) — a full credit report pull that happens when you formally apply for credit (or in some lenders' formal preapproval processes). Hard inquiries do appear on your credit report and can lower your score by a few points. The CFPB confirms that hard inquiries generally have a small, temporary effect on scores.
The label alone doesn't tell you which one — a lender calling something a 'preapproval' may use either type. Ask the lender directly whether they will do a hard or soft pull before you consent.

How much does a hard inquiry lower your score?

According to myFICO, hard inquiries fall under the 'new credit' factor, which accounts for roughly 10% of a FICO Score. A single hard inquiry typically causes a drop of fewer than five points for most people — and the impact fades over the following months. Hard inquiries stay on your credit report for two years but typically only affect your score for about one year. If your score is already strong, a single hard inquiry from a preapproval is unlikely to affect any subsequent application decisions.

Rate-shopping protection: multiple inquiries in a short window

FICO Scores include a rate-shopping buffer specifically for mortgages, auto loans, and student loans. Multiple hard inquiries for the same type of loan made within a 45-day window are counted as a single inquiry for scoring purposes. This protects consumers who shop multiple lenders for the best rate. Credit card applications do not receive the same rate-shopping buffer — each credit card application is counted as a separate hard inquiry.

Which preapprovals typically use a soft pull

Credit card preapproval or prequalification — most issuers use a soft pull to generate preapproval offers, either through their website prequalification tools or through mailed offers. Submitting the actual application triggers a hard pull.
Mortgage prequalification — a preliminary estimate of how much you may be able to borrow, often based on self-reported data and a soft pull. The CFPB notes that a prequalification is typically less rigorous than a preapproval and provides a weaker signal to sellers.
Personal loan rate check — many online lenders let you check your rate with a soft pull before you formally apply.

Which preapprovals typically use a hard pull

Formal mortgage preapproval — lenders typically run a hard pull as part of a verified underwriting assessment for a mortgage preapproval letter. This is a stronger commitment than a prequalification and usually required by sellers in competitive markets.
Auto loan preapproval at a bank or credit union — most institutional lenders use a hard pull when issuing a formal auto loan preapproval with a rate lock.
Any formal credit application — regardless of what it's labeled, if a lender runs a full credit report check (Equifax, Experian, or TransUnion), it's a hard inquiry.

What the authorities say

The CFPB confirms that applying for credit — which triggers a hard inquiry — can affect your credit score, but the effect is generally small and temporary. Soft inquiries, such as checking your own credit or prequalification checks, do not affect your score. — CFPB — Does Applying for Credit Affect My Credit Score?
myFICO states that new credit — including hard inquiries from credit applications — accounts for approximately 10% of a FICO Score, and that a single hard inquiry typically lowers a score by fewer than five points for most people. — myFICO — New Credit and FICO Scores
The CFPB explains that a prequalification letter is typically less rigorous than a preapproval letter — prequalification is usually based on self-reported information and may use a soft pull, while a preapproval typically involves a verified review of income, assets, and a hard credit pull. — CFPB — Prequalification vs. Preapproval Letter

Key takeaways

Soft-pull preapprovals (most credit card prequalifications, mortgage prequalifications) have zero effect on your credit score.
Hard-pull preapprovals (formal mortgage preapprovals, most auto loan preapprovals) do create a hard inquiry — typically a drop of fewer than five points.
Hard inquiries affect your FICO Score for about one year and fall off your credit report after two years.
Rate-shopping for mortgages, auto loans, or student loans: multiple hard inquiries within 45 days count as one inquiry under FICO's rate-shopping buffer.
Always ask the lender whether they use a hard or soft pull before consenting to a preapproval check.

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