Preapproval vs. Prequalification: What's the Difference?
These two words get used interchangeably — even by some lenders — but in mortgages especially, they mean very different things. The short version: prequalification is an informal estimate based on what you tell the lender; preapproval is a documented, verified statement of what they’ll likely lend you.
Prequalification
You self-report your income, debts, and assets — often in a five-minute online form. The lender typically runs a soft credit pull (no score impact) and gives you a ballpark of what you might qualify for.
What it’s good for: early-stage budgeting, comparing lenders casually, and seeing roughly where you stand. What it’s not: proof of anything. Nothing is verified, so a prequalification letter carries little weight with sellers or dealers.
Preapproval
You submit actual documentation — pay stubs, W-2s or tax returns, bank statements — and the lender runs a hard credit pull and has an underwriter (or automated underwriting system) review the file. You get a letter stating a specific loan amount, usually valid for 60–90 days.
In a competitive housing market, most listing agents expect a preapproval letter with any offer. Some lenders go further with “verified” or “underwritten” preapproval, which is reviewed more deeply and is the strongest signal short of a full approval.
Side by side
| Prequalification | Preapproval | |
|---|---|---|
| Based on | Self-reported info | Verified documents |
| Credit check | Usually soft | Hard pull |
| Weight with sellers | Minimal | Strong |
| Typical use | Early budgeting | Active shopping |
The credit impact question
A hard inquiry typically costs a few points temporarily. Critically, scoring models treat multiple mortgage inquiries within a shopping window (generally 14–45 days depending on the model) as one inquiry — so get preapproved by 2–3 lenders inside that window and compare. Rate differences between lenders routinely exceed the cost of an inquiry by thousands of dollars.
One caution
Preapproval is the lender’s ceiling, not your budget. Lenders qualify you on gross income and debt ratios — they don’t know your childcare costs, your savings goals, or your appetite for risk. Plenty of people are preapproved for far more than they can comfortably carry. Run your own numbers with our mortgage calculator and DTI calculator before falling in love with a price range.