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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteMortgage lenders approve and price a loan by documenting whether you can repay it, then weighing your credit history, debts, income, assets, down payment, property value, loan program and term against market conditions. Your credit score matters, but it is not a stand-alone approval rule or a universal rate table.
The offer you receive is therefore a combination of the day’s pricing environment and your specific application. To choose well, compare several lenders using identical loan assumptions and examine the complete cost—rate, APR, points, fees, mortgage insurance, payment and lock conditions—rather than accepting the lowest advertised rate.
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What mortgage lenders review before approving an application
For most U.S. mortgages, underwriting is a documented ability-to-repay review. The Consumer Financial Protection Bureau (CFPB) explains that a lender must make a reasonable, good-faith determination that you can repay the mortgage. That means collecting and verifying information instead of deciding from a single score or a brief conversation.
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Income, employment and the ability to keep paying
Lenders generally examine current income, how it is earned, how long it has been received and whether it is likely to continue. They may request pay stubs, W-2 forms, tax returns, bank statements, employment verification or documents for self-employment, commission, bonus, rental or other income. The exact evidence depends on the loan program and the lender’s policies.
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For a Qualified Mortgage, CFPB guidance says the lender must consider and verify current monthly income or assets (excluding the property securing the loan) and monthly debt, and must consider either a debt-to-income ratio or residual income. For a loan whose payment can change, such as an adjustable-rate mortgage, the lender cannot base the repayment analysis only on an initial teaser payment.
Credit reports, scores and payment history
Most mortgage lenders use FICO scores and many review reports from Equifax, Experian and TransUnion. They look beyond the number at payment history, balances, utilization, account age, recent applications, collections, bankruptcies and other reported obligations. A lender may also consider your prior relationship with it.
There is no universal rule that a particular score guarantees approval or produces a fixed rate reduction. CFPB describes credit quality as one input among several, and loan-program requirements differ. Two applicants with the same score can receive different offers because their debts, down payments, property, documentation or chosen products differ.
Existing debts and monthly expenses
Underwriters list recurring debts such as car loans, student loans, credit-card minimums, personal loans, child support and other obligations. They compare those payments with qualifying income and the proposed housing payment. The resulting debt-to-income calculation is important, but lenders do not all use one identical maximum or count every item in exactly the same way.
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Housing costs can include principal and interest, property taxes, homeowners insurance, homeowners-association dues and mortgage insurance. A lender may also assess residual income—the money left after required debts and housing costs—when the applicable program uses that test.
Savings, assets and cash reserves
Bank and investment accounts help establish the source of your down payment, closing costs and reserves. Lenders may ask for several months of statements and explanations for large deposits. They distinguish money that is readily available from assets that are restricted, borrowed or difficult to document. More reserves can strengthen an application, but the amount needed depends on the loan type, property and risk profile.
The property, appraisal and loan-to-value ratio
The property secures the mortgage, so its value and condition matter. An appraisal estimates market value; it is not automatically the same as the purchase price. Loan-to-value (LTV) compares the amount financed with the appraised value. A larger down payment lowers LTV and usually reduces the lender’s exposure.
LTV can affect whether the lender will make the loan, how much it will lend, whether private mortgage insurance (PMI) or a government-backed program applies and the rate offered. Higher-LTV borrowing is generally viewed as riskier and may receive higher pricing. If the appraisal is below the expected value, you may need to increase your cash contribution, renegotiate the price or change the loan structure. The lender can issue a revised Loan Estimate when the value or another material assumption changes.
| Application element | What the lender is trying to establish | Possible effect on approval or pricing |
|---|---|---|
| Income and employment | Reliable, documentable funds to make the payment | Unstable or unverifiable income can reduce qualifying income or require more documentation |
| Credit report and score | How you have handled borrowed money | Can affect eligibility and risk-based pricing; no universal score-to-rate formula |
| Debt and expenses | Whether the proposed payment fits alongside existing obligations | Higher recurring debt can limit the loan amount or affect eligibility |
| Assets and reserves | Source of cash and ability to absorb disruptions | Insufficient or unexplained funds can delay or weaken an application |
| Down payment and LTV | How much equity protects the lender | Changes PMI, program eligibility, maximum loan and often the rate |
| Appraised property value | Whether collateral supports the loan amount | A low appraisal can require a revised structure or additional cash |
How those factors become an individual mortgage rate
Market conditions set the starting environment
Mortgage pricing moves with broader financial markets, lender funding costs, investor demand and expectations for inflation and interest rates. Your lender prices or locks the loan in that changing environment. An advertised rate is therefore a snapshot for a defined scenario, not a promise to every applicant.
CFPB’s Explore Rates tool presents scenario comparisons by credit score, down payment, loan type and term. Its underlying example data is identified as April 1, 2025, so those figures are illustrations rather than October 2026 market quotes. No current October 2026 market average is established here.
Your risk profile adjusts the market price
After considering the market, a lender applies its own pricing adjustments for credit quality, LTV, occupancy, property type, loan amount, documentation and other characteristics. A stronger file can qualify for a lower risk-based price, while a higher-LTV or less conventional file may cost more. Lender policies and automated underwriting rules vary, so a change that helps with one lender may have little effect with another.
Loan type and term change both rate and payment
Fixed-rate and adjustable-rate mortgages are priced differently. An adjustable-rate loan may begin with a lower initial rate but later adjust under its index, margin, caps and adjustment schedule. A shorter fixed term generally carries a lower interest rate but a higher required monthly payment because principal is repaid faster. Government-backed programs can have different pricing and insurance rules from conventional loans.
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Changing the term, down payment, loan amount or program changes the comparison. Ask each lender to quote the same assumptions before deciding that one offer is cheaper.
What happens from application to approval
- Prepare the file. Gather identification, recent income records, tax documents when applicable, asset statements, employment details, debt information and the purchase contract if you have one. Avoid moving money without keeping a clear paper trail.
- Request preapproval or prequalification. Ask what information was verified, how long the letter lasts and which assumptions were used. A preapproval is not a final approval; the property, appraisal and full documentation still must satisfy underwriting.
- Submit a complete application. Identify the loan program, term, down payment, occupancy and property type accurately. Omissions or later changes can alter qualification and pricing.
- Provide supporting documents promptly. Respond to requests for updated pay records, bank statements, explanations of deposits or credit items and proof of insurance. Inability to document income or assets can delay closing or lead to a revised estimate.
- Review the Loan Estimate. Within the required disclosure process, check the loan amount, rate, APR, points, origination charges, lender credits, taxes, insurance, mortgage insurance, cash to close and whether the rate is locked.
- Complete appraisal and underwriting. The lender evaluates the collateral and verifies the file. A lower appraisal, changed credit score, different down payment or different loan type can require new terms.
- Lock and close under the stated conditions. Confirm the lock expiration and any extension cost. Close within the period shown and keep the application unchanged unless you first ask how a change will affect the loan.
How to compare mortgage offers on an equal basis
Obtain several preapprovals or Loan Estimates and make the scenarios comparable. Ask every lender to use the same loan type, term, down payment, property value, occupancy, points choice and lock period. Then evaluate the full package.
| Item to compare | Why it matters | Question to ask |
|---|---|---|
| Interest rate | Annual borrowing cost before most fees | Is it fixed or adjustable, and is it locked? |
| APR | Rate plus certain points, broker fees and other charges | Which charges are included, and are the products otherwise identical? |
| Discount points | Upfront payment to reduce the rate | How long must I keep the loan to recover the cost? |
| Origination and other lender fees | Increase cash needed at closing | Can a fee be reduced, waived or replaced by a lender credit? |
| Mortgage insurance | May be required at higher LTV or under certain programs | What is the monthly or upfront cost, and when can it end? |
| Monthly payment | Shows the recurring budget impact | Does it include taxes, insurance, mortgage insurance and association dues? |
| Adjustable-rate features | Future payments can change | What are the index, margin, first adjustment, periodic caps and lifetime cap? |
| Cash to close | Combines down payment, closing costs and prepaid items | Are any costs being rolled into the loan? |
| Conditions and expiration | Explains what could change the estimate | Which documents, appraisal results or lock dates are still outstanding? |
The interest rate alone excludes many charges. APR is broader, but CFPB cautions that APR is not a complete stand-alone rule when comparing unlike products, especially adjustable-rate and fixed-rate loans. A lower APR on a different structure may not be the better fit for your payment horizon.
You can ask a lender to improve the rate, points or fees. Check the revised estimate carefully: a reduction in one charge may be offset by an increase elsewhere. Compare total cash, projected payments and features rather than negotiating one line in isolation.
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Will mortgage shopping hurt your credit?
CFPB says multiple mortgage-lender credit checks made within a 45-day window are recorded as a single inquiry for credit-scoring purposes. That protection is specific to mortgage shopping. Applications for unrelated credit, such as a car loan or credit card, can be treated separately and may lower scores.
To keep comparisons efficient, contact lenders within the same shopping period, tell them you are rate-shopping and avoid opening unrelated accounts until the mortgage closes. Ask which bureau reports they use and whether a soft inquiry is possible for an initial conversation; a full application may still require a hard inquiry.
Rate locks, revised estimates and common surprises
What a rate lock actually protects
The Loan Estimate indicates whether the rate is locked and, if so, the expiration date. A locked rate generally does not change between the estimate and closing when you close within the stated timeframe and the application remains materially unchanged. A lock does not guarantee approval, a particular payment or protection from every cost change.
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Events that can change the offer
- An appraisal comes in below the expected value, increasing LTV.
- Your credit score or credit profile changes.
- Income or assets cannot be documented as required.
- You change the loan type, term, property, occupancy or down payment.
- You request a lock after the original estimate or allow the lock to expire.
- Taxes, insurance, association dues or other settlement details change.
Ask the lender to explain the financial effect before making a change. A revised Loan Estimate should show which assumptions changed and how the rate, payment, fees or cash to close were affected.
A practical decision checklist
- Confirm the lender used accurate income, debt, asset, property and down-payment information.
- Compare offers with identical programs, terms, lock periods and borrower assumptions.
- Review rate, APR, points, lender fees, mortgage insurance, payment and cash to close together.
- For an adjustable-rate loan, read the adjustment dates, index, margin and caps.
- Ask what could trigger a revised estimate and what happens if the lock expires.
- Keep mortgage shopping inside the 45-day scoring window and postpone unrelated credit applications.
- Do not treat an illustrative or dated rate as a current quote; obtain a written estimate for your own scenario.
This explanation is U.S.-focused. Federal rules, loan-program requirements and lender policies can differ by jurisdiction and change over time. CFPB consumer guidance explains the process but cannot predict an individual underwriting decision or provide personalized financial advice.
“A lender must make a good-faith effort to determine that you have the ability to repay your mortgage before giving it to you.”
Consumer Financial Protection Bureau, “What is a Qualified Mortgage?”
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