Prequalification is an initial estimate of borrowing power based on self-reported financial information.
Preapproval is a more formal process involving document verification and lender underwriting review.
Preapproval provides:
Prequalification provides a general estimate but carries less weight with sellers.
Prequalification → Quick review, limited documentation
Preapproval → Verified income, credit check, underwriting review
Preapproval → Conditional
Final Approval → Issued after full underwriting and appraisal
Preapproval strengthens negotiation position.
Does preapproval guarantee a loan?
No.
Does it affect credit score?
Yes, typically through a hard inquiry.
How long is it valid?
Often 60–90 days.