Tentative lender willingness to finance up to a stated amount under documented assumptions, commonly used during home shopping.
Preapproval is a lender’s tentative willingness to finance a borrower up to a stated amount under identified assumptions and subject to later verification, property review, and underwriting.
A preapproval letter helps with home shopping, but it is not a guaranteed loan offer or approval of a particular property.
Preapproval can show a seller that a lender has taken an initial look at the borrower’s finances and sees a plausible path to financing. It can also expose income, debt, credit, or cash issues before contract deadlines begin.
The word itself does not reveal the depth of review. Some lenders verify substantial documentation and credit before issuing a letter; others rely more heavily on information supplied by the borrower. Lenders may also use prequalification and preapproval differently.
The stated amount is a ceiling under assumptions, not a recommendation to spend that much. A borrower still needs to test the payment against taxes, insurance, HOA dues, maintenance, savings goals, and other household priorities.
Preapproval usually appears when the borrower is ready to shop seriously or make an offer. It normally precedes a property-specific application, appraisal, title review, insurance confirmation, and complete Underwriting.
After a property is selected, the lender replaces assumptions with transaction facts. The purchase price, down payment, property type, occupancy, taxes, insurance, appraisal, title, loan program, and current borrower documents all become part of the decision.
A letter may have an expiration date because credit information and financial documents age. If shopping continues, the lender may refresh records before issuing an updated letter.
| Letter item | What the borrower should confirm |
|---|---|
| Maximum loan or purchase amount | Whether it assumes a particular down payment or property price |
| Loan program | Whether the program fits the intended occupancy and property type |
| Estimated rate or payment | Whether it is illustrative or supported by a current rate lock |
| Funds needed | Whether closing costs and reserves are included in addition to down payment |
| Conditions | Which income, asset, credit, or documentation assumptions remain unverified |
| Expiration | When credit or financial records may need to be refreshed |
| Later finding | Possible effect |
|---|---|
| Lower qualifying income | Reduces the supported payment or loan amount |
| New debt or higher balances | Raises DTI and may change eligibility or pricing |
| Less verified cash | Creates a down-payment, cash-to-close, or reserve shortfall |
| Different property or occupancy | Changes program, appraisal, insurance, or reserve requirements |
| Low appraisal | Raises LTV or creates an appraisal-gap decision |
| Rate or cost increase | Raises the qualifying payment or required cash |
Luis receives a preapproval letter based on verified employment income, current debts, credit, and a planned 10% down payment. The letter assumes a one-unit primary residence and estimated taxes and insurance.
Luis later offers on a condominium with high HOA dues. The lender must include those dues in the housing payment and review the condo project. The preapproval remains useful evidence of early borrower review, but it did not approve that property or guarantee the original amount.
Preapproval differs from Prequalification because it commonly involves a more developed review and a shopping letter. The exact difference depends on the lender’s process.
It differs from Mortgage Approval because preapproval is based on assumptions before the active borrower-and-property file completes underwriting.
It differs from Conditional Approval because conditional approval is a later decision on an active file with listed unresolved requirements.
It differs from Clear to Close because clear to close is a late-stage readiness status after required pre-closing conditions have been resolved.