Qualifying for a primary residence mortgage or refinance comes down to four things: steady income, acceptable credit, enough money for a down payment and reserves, and genuine intent to occupy the home. Federal guidance from the Consumer Financial Protection Bureau outlines these same pillars for every borrower. The next step is simple: gather your documents and request a preapproval or a broker consultation so you know exactly where you stand.
TL;DR:
- Most lenders require a minimum credit score around 620, and stable income for at least two years to approve a primary residence loan.
- Down payment options vary: conventional loans as low as 3%, FHA loans with mortgage insurance, VA loans with no down payment, and USDA loans for rural borrowers with income limits.
- Having all necessary documents, including pay stubs, tax returns, and bank statements, ready before applying can significantly speed up the approval process.
- Occupancy must be honestly declared, with supporting evidence, as misrepresentation can affect loan terms and legality.
- Rental income may offset debt calculations if properly documented, especially for property owners converting to or including rental units.
Table of Contents
- What lenders check before approving your loan
- Down payment options across conventional, FHA, VA, and USDA loans
- Building your document checklist before you apply
- Why occupancy rules affect your loan terms
- Planning for closing costs, reserves, and disclosure timing
- Steps that strengthen your approval odds
- Debt-to-income expectations differ by loan purpose
- How loan-to-value ratios shape your approval and rate
- How rental income can offset your debt calculations
- Comparing conventional, FHA, VA, and portfolio loan requirements
- Where broker guidance fits into your approval process
- Get your documents moving with David Mordue
- Sources
- FAQ
What lenders check before approving your loan
Underwriters look at five things: income, employment, credit, debts, and assets. Each one tells the lender something different about your ability to repay.
Most lenders want to see about two years of steady income and will verify your employment history alongside it, according to the CFPB. Your credit score determines both your interest rate and which loan programs you can access: many lenders look for a minimum credit score around 620, though requirements shift by lender and loan type.
Debt-to-income ratio, or DTI, measures your monthly debt payments against your gross monthly income. Lenders calculate it by adding your proposed housing payment to your existing debts, then dividing by your income. Assets matter too: lenders want to confirm you have funds for your down payment plus reserves, which are extra months of mortgage payments kept in savings as a cushion.
Here is what a lender typically verifies during underwriting:
- Income and employment: pay history, job tenure, and employer contact information.
- Credit history: your score, payment history, and any collections or judgments.
- Debt obligations: car loans, student loans, credit cards, and other recurring payments.
- Assets and reserves: bank statements showing funds for closing and a cushion afterward.
- Occupancy intent: whether you plan to live in the home as your primary residence.
Pro Tip: Pull your own credit report before applying so you can address errors or high balances before a lender sees them.
Down payment options across conventional, FHA, VA, and USDA loans
The loan program you choose changes your minimum down payment, your mortgage insurance costs, and sometimes your eligibility altogether. Here is how the major owner-occupied programs compare:
- Conventional loans: many scenarios allow as little as 3% down, though a roughly 20% down payment generally removes the need for mortgage insurance on many conventional loans.
- FHA loans: allow low down payments but carry mortgage insurance premiums for most of the loan term, a tradeoff worth understanding before you apply.
- VA loans: available to eligible service members and veterans who hold a Certificate of Eligibility, often with no down payment required, though borrowers still go through standard lender underwriting.
- USDA loans: designed for eligible rural locations and borrowers within household income limits, potentially offering full financing for qualifying applicants.
A lower down payment does not mean lower scrutiny. VA benefits, for instance, do not waive a lender’s credit and income review, and USDA’s income and location rules apply regardless of how appealing the zero-down option looks. If you are exploring VA eligibility, our VA loan guide walks through the Certificate of Eligibility process, and our FHA loan overview breaks down the mortgage insurance math in more detail.
Building your document checklist before you apply
A complete application packet is the single biggest lever you have over how fast your loan closes. Lenders cannot approve what they cannot verify, so missing paperwork almost always means delays.
According to CFPB guidance on assembling a loan packet, here is what to gather first:
- Thirty days of pay stubs showing your current income and employer.
- Two years of W-2 forms and signed federal tax returns to establish income history.
- Two recent bank statements for every account you plan to use for closing or reserves.
- Government-issued ID and Social Security number for identity verification.
- Documentation of your down payment source, including gift letters if funds came from family.
Self-employed borrowers and those with variable income should expect to provide additional profit-and-loss statements or additional years of tax returns, since lenders need a clearer income pattern when paychecks are not fixed. Large, unexplained deposits are one of the most common red flags underwriters flag, so keep a simple paper trail for anything unusual.
Pro Tip: Save PDF copies of every document as you gather them so you can respond within hours, not days, when your loan officer asks for something.
Why occupancy rules affect your loan terms
Lenders treat a primary residence differently from a second home or a rental property, and the definition matters more than most borrowers expect. Fannie Mae defines a principal residence as the property you occupy as your main home for most of the year, and this occupancy status affects your allowable loan-to-value ratio, your interest rate, and which programs you qualify for.
Some programs carry additional timing expectations. USDA loans, for example, are built around the assumption that you will occupy the home promptly after closing, and VA loans expect similar good-faith occupancy within a reasonable window.
Misrepresenting your occupancy intent is a serious matter that can affect your loan terms and legal standing, so accuracy here is not optional.
- State your occupancy plans honestly on every application form.
- Keep records that support your intent, such as a job offer letter or school enrollment near the property.
- Ask your loan officer about program-specific timing before you sign anything.
Planning for closing costs, reserves, and disclosure timing
Closing costs typically run a percentage of your loan amount and cover items like appraisal fees, title insurance, and lender origination charges, with the buyer and seller sometimes splitting different pieces depending on your local market and negotiation. On top of that, many lenders require reserves, extra months of mortgage payments held in savings, as a buffer against income disruption.
Federal disclosure rules give you built-in checkpoints to review your numbers before you are locked in.
Under TILA-RESPA rules, lenders must generally provide a Loan Estimate within three business days after you apply, and a Closing Disclosure at least three business days before your closing date. These windows exist so you have time to compare terms and catch errors before signing.
- Loan Estimate: arrives within three business days of application and outlines your projected rate, payment, and closing costs.
- Closing Disclosure: arrives at least three business days before consummation and reflects your final terms.
- Corrected disclosures: certain changes can restart the three-day waiting period, which is one of the most common reasons closings get pushed back.
Steps that strengthen your approval odds
A few deliberate moves before you apply can meaningfully improve your rate and your odds of approval.
- Check your credit report and dispute errors several months before applying, since corrections take time to process.
- Avoid new debt or large purchases after preapproval, since taking on a car loan or opening new credit lines can change your approval status during underwriting.
- Assemble your documents early so you can respond quickly when your lender requests something.
- Work with a mortgage broker who can compare rates across multiple lenders on your behalf rather than relying on a single bank’s offer.
- Budget below your maximum approval amount since the approved figure reflects what a lender will lend, not necessarily what fits comfortably in your monthly budget.
Pro Tip: Ask your loan officer for a “what-if” scenario before making any big purchase between preapproval and closing.
Debt-to-income expectations differ by loan purpose
Lenders calculate DTI the same basic way regardless of loan purpose, but the acceptable ceiling and the way certain income counts can shift depending on what you are financing. For a primary residence loan, many lenders work within a familiar range and give more weight to your stable, documented income sources since the home you are financing is also the home you live in.
Loans tied to non-owner-occupied properties are underwritten differently because the lender is relying more heavily on the property’s potential to generate income rather than solely on the borrower’s personal earnings, which changes how debts and offsetting income are weighed in the calculation. This distinction matters if you are comparing loan types, since a program built around investment properties will apply different assumptions than one built for the home you plan to live in.
If you are financing a home you intend to occupy, focus your preparation on the same fundamentals: clean documentation of your income, a manageable ratio of debt to income, and clarity with your lender about which property type you are financing so the correct underwriting rules apply from the start.
How loan-to-value ratios shape your approval and rate
Loan-to-value ratio, or LTV, compares your loan amount to the appraised value of the home. A lower LTV, meaning a larger down payment relative to the home’s value, generally signals less risk to a lender and often results in better rate offers and fewer conditions attached to your approval.
Conventional loans commonly allow higher LTV ratios when the borrower puts down as little as 3%, though 20% down brings the LTV low enough to remove private mortgage insurance in many cases.
Your LTV also affects your interest rate directly, since lenders price risk into the rate itself. A smaller down payment usually means a higher LTV, which can mean a slightly higher rate or additional insurance costs layered onto your monthly payment. Understanding this tradeoff before you apply helps you decide whether stretching for a larger down payment is worth the long-term savings.
How rental income can offset your debt calculations
If you already own a home and are converting it to a rental while buying a new primary residence, or if your new home includes a legally permitted rental unit, lenders may allow a portion of that rental income to offset your existing mortgage debt when calculating your DTI. This can make a meaningful difference in what you qualify for, since it effectively reduces the debt side of your ratio rather than simply adding to your income.
Lenders typically require documentation to support this offset, such as a signed lease agreement or, for a home you already own, historical rental income shown on your tax returns. The exact treatment varies by lender and by loan program, so it is worth discussing your specific situation with your loan officer before assuming a certain percentage of rental income will count.
This is different from qualifying based on income from a separate investment property purchase, which follows its own underwriting path. For a primary residence purchase where rental income plays a supporting role, the key is clean documentation and an early conversation with your lender about how that income will be treated in your file.
Comparing conventional, FHA, VA, and portfolio loan requirements
Each loan type carries its own underwriting personality, and understanding the differences helps you choose the right path even when your own purchase is a primary residence.
Conventional loans, backed by conforming guidelines rather than a government agency, tend to reward stronger credit and larger down payments with better pricing. FHA loans are more forgiving on credit score but carry ongoing mortgage insurance costs, following requirements outlined in HUD’s FHA handbook guidance. VA loans serve eligible service members and veterans with favorable terms, but as the Department of Veterans Affairs notes, a Certificate of Eligibility confirms entitlement without waiving a lender’s own underwriting checks.
Portfolio loans, held by the lender rather than sold to investors, offer more flexible underwriting criteria but often come with higher rates or less standardized terms since the lender assumes the full risk itself. These are less common for a straightforward owner-occupied purchase but come up more often for borrowers with unique income situations or properties that do not fit conventional guidelines.
The right program depends on your credit profile, your available down payment, your service history if applicable, and how much flexibility you need in underwriting. A broker who works across multiple lenders can usually match your situation to the program that gives you the best combination of approval odds and long-term cost.
Where broker guidance fits into your approval process
Comparing lenders on your own takes time most buyers do not have, and rate shopping across multiple institutions rarely happens without help. Part of my role is doing that comparison for you, triaging your documents early, and flagging anything a lender is likely to question before it becomes a delay.
A mortgage broker’s online application can move quickly, with funding sometimes completed in under 21 days once your documents are in order. Come to a consultation with your recent pay stubs, tax returns, and a rough idea of your target purchase price or refinance goal, and we can usually tell you within one conversation where you stand and what is left to gather.
— David Mordue
Get your documents moving with David Mordue
Once you know the requirements, the fastest path forward is getting your specific numbers in front of someone who can act on them. Mortgage brokers offer Home Purchase and Refinance services with fully online applications, designed to move files through underwriting efficiently.
Here is where to start depending on where you are in the process:
- Run the numbers first: try the refinance calculator or the rent vs buy calculator to see what different scenarios look like for your budget.
- Ready to move forward: start your preapproval or refinance application online and get a clear answer on your options.
This article is general information, not a substitute for advice from a qualified financial advisor. Consult a qualified financial professional about your own circumstances before acting on anything here.
Sources
- Ready to buy a home? | Consumer Financial Protection Bureau
- Determine your down payment | Consumer Financial Protection Bureau
- Occupancy types | Fannie Mae Selling Guide
- Home loan eligibility | U.S. Department of Veterans Affairs
- TILA-RESPA Integrated Disclosure guide to forms | CFPB
FAQ
What credit score do I need for a primary residence mortgage?
There is no single legal minimum, but many lenders look for a score around 620 or higher, according to the CFPB. Requirements vary by lender and loan program, so a lower score does not automatically disqualify you, especially with a larger down payment or a government-backed program like FHA.
How much down payment do I actually need to buy a home?
Down payment requirements vary widely: many conventional loan scenarios allow as little as 3% down, while a roughly 20% down payment generally removes the need for mortgage insurance on many conventional loans. FHA loans allow low down payments, and VA or USDA loans can offer full financing for eligible borrowers.
How long does the mortgage approval and closing process take?
Timing depends on your lender and how quickly you provide documentation, but federal rules require a Loan Estimate within three business days of application and a Closing Disclosure at least three business days before closing. Efficient processing of files is often possible once documentation is complete.
Can I count rental income toward my mortgage qualification?
In some cases, yes. If you already own a rental property or your new home includes a legally permitted rental unit, lenders may allow documented rental income to offset your debt-to-income calculation, though the exact treatment depends on your lender and loan program.
What documents do lenders ask for when I apply?
Most lenders want recent pay stubs, two years of W-2s and signed tax returns, two recent bank statements, government-issued ID, your Social Security number, and documentation of your down payment source, based on CFPB application packet guidance. Self-employed borrowers should expect to provide additional income documentation to establish a clear earnings pattern.