How to buy a home with student loan debt

Written by Samantha SheltonNMLS 1647301Updated October 2026

You can buy a home with student loan debt, and you do not have to pay the balance off first. Lenders qualify you on your debt-to-income ratio, not your loan balance, and on a conventional loan underwritten through Fannie Mae’s Desktop Underwriter the maximum allowable DTI ratio is 50%. A ceiling that already includes the mortgage payment you are applying for.

Young couple holding keys to their first house after learning how to buy a home with student loan debt

That turns the question from “how much do I owe?” into “what monthly payment shows up on my credit report?” A large balance on an income-driven plan can be easier to qualify around than a small balance on an aggressive 10-year payoff. And there is no longer a federal 43% ceiling to clear: the Consumer Financial Protection Bureau removed the 43% DTI limit from the General Qualified Mortgage definition in its December 2020 final rule and replaced it with a limit based on the loan’s pricing.

Learn how to buy a home with student loan debt, including how each loan program counts a $0 payment, which moves actually lower the payment your lender uses, and which assistance programs shorten the path. If you are earlier in the process, start with our Mortgage Basics guide.

Key takeaways:

Your ratio is the gate, not your balance: Conventional loans run through Desktop Underwriter allow total DTI up to 50%, while manually underwritten loans start at 36% and can stretch to 45% when credit score and reserves support it.
A $0 payment is not a $0 debt: When your credit report shows a $0 student loan payment, FHA requires the lender to count 0.5% of the outstanding balance instead, $250 a month on a $50,000 balance.
Low-down-payment programs stay open to you: Fannie Mae’s HomeReady reaches 97% LTV through Desktop Underwriter, VA purchase loans require no down payment, and MSHDA adds up to $10,000 in Michigan down payment assistance.

How do student loans affect mortgage approval?

Student loans affect approval in exactly one place: your debt-to-income ratio. Your debt-to-income (DTI) ratio is all your monthly debt payments divided by your gross monthly income, and as the CFPB puts it, it is one way lenders measure your ability to manage the monthly payments to repay the money you plan to borrow. Different loan products and lenders set different DTI limits.

The number that matters is the monthly payment your lender is required to count, not the six-figure balance on your servicer’s dashboard. Two borrowers with identical incomes and identical $60,000 balances can get different answers purely because one shows a $180 payment on the credit report and the other shows $620.

Here is how the math runs. Say you earn $6,500 a month before taxes in Waterford. You carry a $420 student loan payment, a $390 car payment, and $60 in credit card minimums, $870 in monthly debt before a mortgage exists.¹

At a 45% DTI ceiling: $6,500 × 45% = $2,925 of total allowable debt. Subtract the $870 you already owe and $2,055 is left for principal, interest, property taxes, homeowners insurance, and any mortgage insurance.
At a 50% DTI ceiling: $6,500 × 50% = $3,250. Subtract the same $870 and the housing budget rises to $2,380, $325 more per month, from nothing but a different underwriting path.
If the student loan payment drops to $120: Your other debt falls to $570, and the 45% ceiling now leaves $2,355 for housing. You moved $300 a month from the debt column to the housing column without earning another dollar.

That last line is the whole strategy in one sentence. Every dollar you remove from the payment side is roughly a dollar you gain on the housing side. Our guide to improving your debt-to-income ratio walks through the other levers, and the CFPB’s debt-to-income ratio guide shows the calculation with a worked example.

How lenders count a $0 or income-driven student loan payment

A $0 payment on your credit report almost never becomes a $0 payment in underwriting, and the rule that replaces it is different in every program. This is the single highest-value detail for a borrower with student debt, because the same file can pass or fail on the choice alone.

Conventional (Fannie Mae), a lender option, not a mandate: If the credit report shows $0 or no payment and you are on an income-driven plan, the lender may obtain documentation verifying the actual payment is $0 and qualify you with a $0 payment. For loans in deferment or forbearance, the lender may instead calculate 1% of the outstanding balance, or a fully amortizing payment using the documented repayment terms. The word throughout the Selling Guide is “may”. The lender chooses, which means the lender you use matters.
FHA, a mandate, not an option: For outstanding student loans, regardless of payment status, the lender must use the payment reported on the credit report or the actual documented payment when it is above zero, or 0.5% of the outstanding balance when the reported payment is zero.² On a $50,000 balance that is a flat $250 added to your ratio whether you are paying it or not.
VA. Deferment is the escape hatch: If repayment is scheduled to begin within 12 months of your VA loan closing, the lender considers the anticipated monthly obligation in the loan analysis. If you can document that the debt is deferred beyond that window, it need not be considered.³
USDA, counted either way: USDA’s guaranteed loan program includes student loans in the total debt ratio and sets its own minimum payment when the credit report shows zero, using a percentage of the balance published in its guaranteed-loan handbook.

Deferment and forbearance pause payments; they do not erase the debt. Interest may keep accruing, the balance stays on your credit report, and, as the rules above show, three of the four programs still assign the loan a payment. Forbearance is a timing tool, not forgiveness.

Which loan program treats your student loans best?

There is no universal winner. The best program is the one whose student loan rule fits the shape of your debt. A borrower on a documented income-driven plan usually does best on a conventional loan; a borrower with a $0 payment on a large deferred balance often does better anywhere but FHA; a veteran with loans deferred past closing has the cleanest path of all.

Program	Minimum down payment	Credit floor	How student loans are counted
Conventional (HomeReady)	3%, 97% LTV through Desktop Underwriter, 95% manually underwritten	Set by the automated underwriting decision and the lender	Credit report payment; if $0, the lender may document an income-driven $0, or use 1% of balance for deferment/forbearance
FHA	3.5% at a minimum decision credit score of 580 or above; 10% at 500 to 579	500. Below 500 is not eligible for FHA-insured financing	Credit report or documented payment when above zero; must use 0.5% of balance when the reported payment is zero
VA	$0. No down payment as long as the sales price is not above the appraised value	VA sets none; your lender does	Anticipated payment counted if repayment starts within 12 months of closing; excludable if documented as deferred beyond that
USDA (guaranteed)	$0. The loan is capped at the property’s market value plus the up-front guarantee fee	Set by the lender and USDA’s automated system	Included in the total debt ratio, with a handbook minimum applied when the reported payment is zero

Two program details are worth pulling out of the table. HomeReady caps qualifying income at 80% of the area median income for the property’s location, requires homeownership education when all occupying borrowers are first-time buyers, and asks no minimum contribution from your own funds on a one-unit primary residence above 80% LTV, which matters when your savings are going toward student loans instead of a down payment. See Fannie Mae’s HomeReady low-down-payment program and our overview of buying a home with a low down payment. VA loans also carry no private mortgage insurance or mortgage insurance premium, which is a second monthly line item your student loan payment no longer has to compete with.

Credit is the other half of the file. Student loans paid on time are ordinary installment credit and build the payment history that lifts a score; a single 30-day late does the opposite. Our breakdown of what makes a good credit score to buy a house covers the thresholds, and the broader Credit & Qualifying hub covers how score, ratio, and reserves are weighed together.

How to lower the student loan payment your lender counts

Four moves change the number in your ratio, and three of them work in weeks rather than years. Work them in this order, because the first one usually produces the largest change for the least cash.

Get on the right repayment plan, then document it: A lower federal payment is a lower counted payment on a conventional loan, provided your lender documents it. As of July 1, 2026, the U.S. Department of Education’s Repayment Assistance Plan is available, with monthly payments set between 1% and 10% of income and reduced by $50 a month for each dependent. Borrowers with loans made before July 1, 2026 who sit in a phased-out plan must elect the Repayment Assistance Plan, Income-Based Repayment, or the standard, graduated or extended repayment plans beginning July 1, 2028. Ask your loan officer which plan documents best before you switch, because on FHA a $0 payment still gets a 0.5% assessment.
Retire small balances with large payments, not large balances: A $2,400 balance with a $200 monthly payment frees more qualifying room than a $20,000 balance with a $150 payment. You are buying down the monthly obligation, not the debt. Confirm with your loan officer first, debts paid off at or before closing follow specific documentation rules.
Use down payment assistance instead of your own cash: If your spare cash is going to student loans, assistance closes the gap that savings otherwise would. Our guide to first-time home buyer grants and programs maps the national and state options, and low-down-payment financing covers the loan side of the same problem.
Check whether a state program will pay the debt off at closing: A handful of states retire student debt as part of the purchase. Maryland’s SmartBuy loan pays off up to 15% of the home purchase price, capped at $25,000, for buyers with a minimum $1,000 student debt balance who pay off one borrower’s full remaining balance at closing. Michigan has no direct equivalent, which makes down payment assistance the workhorse here instead.

Free help exists on the counseling side too. HUD-approved housing counselors work through a network of participating agencies and certified counselors, and a session before you apply often costs nothing.

What Michigan buyers should know

Michigan’s answer to a student loan squeeze is MSHDA down payment assistance, which lets you keep paying your loans while someone else covers the cash to close. Here is what the Michigan State Housing Development Authority publishes.

MI 10K DPA Loan, up to $10,000, statewide: The assistance comes as an interest-free loan usable for down payment, closing costs, and prepaid expenses. It is available statewide rather than in selected ZIP codes.
640 minimum credit score on the MI Home Loan: MSHDA sets the floor at 640, which is higher than FHA’s 580, so credit repair sometimes has to come before the application.
$566,355 sales price limit after June 1, 2026, statewide: Household income limits apply on top of that, and they vary by family size and property location.
Homebuyer education is required: A homebuyer education certificate of completion is required for all homebuyers on the MI 10K DPA Loan, so start the class early rather than at underwriting.

Because Align is a broker rather than a bank, we can place MSHDA loans and conventional, FHA, VA, and USDA financing side by side and compare which one your student loans survive best. For the assistance landscape beyond MSHDA, see first-time home buyer grants and programs.

How Align helps when credit is the question

Another lender's no is not always the final answer. Lenders add their own rules on top of the program's, and Samantha can take your file to a wholesale lender whose rules fit it.

If it is not time yet, she will say so and tell you what to work on first. It is also why local real estate agents bring her in for second opinions.

Take a mortgage readiness review

FAQ: Buying a home with student loan debt

Here are answers to common questions about buying a home with student loan debt.

Can I buy a house if I have student loans?

Yes. Lenders qualify you on your debt-to-income ratio, your credit, and your down payment, not on whether your student loans are paid off. Conventional loans underwritten through Desktop Underwriter allow a total DTI up to 50%, and manually underwritten loans start at 36% and can be exceeded up to 45% when credit score and reserve requirements are met. Student loans paid on time also build the payment history a mortgage underwriter wants to see. Our Credit & Qualifying hub covers how the pieces are weighed.

How do lenders calculate student loan payments for a mortgage?

They start with the payment on your credit report. When that payment shows $0, the rules split by program: FHA requires the lender to use 0.5% of the outstanding balance, while Fannie Mae lets the lender document an income-driven $0 payment and qualify you at $0, or use 1% of the balance for loans in deferment or forbearance. That difference is why the program you choose can matter as much as the loans you carry. Our explainer on how DTI is calculated shows where the number lands.

Should I pay off student loans before buying a house?

Usually not entirely. Clearing a small balance that carries a large monthly payment frees qualifying room immediately, but draining savings to retire a large balance usually costs you the down payment instead. Compare the monthly payment you would remove against the cash you would spend, and weigh both against years of not owning.

Does student loan debt affect how much house I can afford?

Yes, close to dollar for dollar. Every $100 of monthly student loan payment is $100 of monthly housing payment you can no longer qualify for at the same DTI ceiling. How much loan amount that $100 buys depends on your rate and term, which is why lowering the payment your lender counts is usually faster than saving your way past it. If you are building cash in parallel, how to save for a down payment covers the timeline.

The bottom line on buying a home with student loan debt

You can buy a home with student loan debt because lenders underwrite your debt-to-income ratio, not your balance. Conventional loans run through Desktop Underwriter allow total DTI up to 50%, manual underwriting runs 36% and can stretch to 45% with the credit and reserves to justify it, and there is no longer a 43% federal Qualified Mortgage cap standing in the way. The leverage is in the monthly payment your lender is required to count: FHA must assess 0.5% of the balance on a $0 payment, Fannie Mae only may use 1% on deferred loans and can qualify a documented income-driven $0 at zero, and VA can set the payment aside entirely when the debt is deferred past closing. Pick the program that fits your loans and you often gain hundreds of dollars a month in buying power without changing your income.

If you’re ready to find out which program treats your student loans best, talk to Align Lending. We’ll shop your scenario across our lender network and show you the qualifying numbers side by side. Call 248-506-5727 or start online.

Footnotes:

1. Example figures in this article are hypothetical and for educational purposes only; they do not constitute an advertisement of credit terms or a rate quote under federal or state lending laws. Your qualifying ratio, program eligibility, and maximum payment depend on your full application, the automated underwriting decision, and lender overlays. Return to text.

2. Align Lending is not acting on behalf of or at the direction of FHA or HUD. FHA student loan calculation requirements, minimum decision credit scores, and loan-to-value limits are set by HUD and are subject to change. Return to text.

3. Align Lending works with VA-approved lenders and is not endorsed or sponsored by the Dept. of Veterans Affairs or any government agency. VA loan eligibility, entitlement, and credit standards are set by VA and the individual lender. Return to text.

Sources: maximum allowable DTI ratio of 50% for loan casefiles underwritten through Desktop Underwriter, and a 36% maximum for manually underwritten loans that may be exceeded up to 45% when credit score and reserve requirements are met, Fannie Mae Selling Guide B3-6-02. Student loan qualifying payment options, including documenting an income-driven $0 payment and calculating 1% of the outstanding balance for deferred or forbearance loans, Fannie Mae Selling Guide B3-6-05. HomeReady 80% area median income limit, homeownership education requirement, principal-residence occupancy, 97% maximum LTV in Desktop Underwriter versus 95% manually underwritten, and no minimum borrower contribution on one-unit principal residences above 80% LTV, Fannie Mae Selling Guide B5-6-01 and B5-6-02. FHA requirement to use the credit report or documented payment when above zero, or 0.5% of the outstanding balance when the reported payment is zero, HUD Mortgagee Letter 2021-13 and HUD Handbook 4000.1 sections II.A.4.b.iv(H) and II.A.5.a.iv(G). FHA minimum decision credit score of 580 for maximum financing, 500 to 579 limited to 90% LTV, and ineligibility below 500, HUD Mortgagee Letter 10-29. FHA down payment as low as 3.5% of the purchase price, U.S. Department of Housing and Urban Development. VA treatment of student loans scheduled to begin repayment within 12 months of closing and the deferment exclusion, VA credit standards guidance, Department of Veterans Affairs. VA purchase loans requiring no down payment when the sales price does not exceed the appraised value, and no private mortgage insurance or mortgage insurance premium, U.S. Department of Veterans Affairs. USDA guaranteed loan amount limited to the lesser of market value plus the up-front guarantee fee or purchase price plus acquisition costs, 7 CFR § 3555.103; student loans included in the total debt ratio, USDA Handbook HB-1-3555 Chapter 11. Removal of the 43% DTI limit from the General Qualified Mortgage definition and its replacement with a price-based limit, CFPB General QM Loan Definition final rule (published December 29, 2020; mandatory compliance October 1, 2022). Definition of debt-to-income ratio and the note that different loan products and lenders have different DTI limits, Consumer Financial Protection Bureau. Repayment Assistance Plan availability beginning July 1, 2026, monthly payments between 1% and 10% of income, the $50 per dependent reduction, and and the requirement that borrowers repaying under REPAYE, PAYE or ICR elect the Repayment Assistance Plan, IBR, or the standard, graduated or extended repayment plans beginning July 1, 2028, U.S. Department of Education, Reimagining and Improving Student Education final regulations, 91 FR 23768 (May 1, 2026). Maryland SmartBuy payoff of up to 15% of the purchase price with a $25,000 maximum, the $1,000 minimum student debt balance, and the requirement to pay off one borrower’s full remaining balance at closing, Maryland Mortgage Program, Maryland Department of Housing and Community Development. MI 10K DPA Loan of up to $10,000 statewide as an interest-free loan for down payment, closing costs and prepaid expenses; homebuyer education certificate requirement; MI Home Loan minimum credit score of 640 and sales price limit of $566,355 after June 1, 2026, Michigan State Housing Development Authority. HUD-approved housing counseling agencies and HUD-certified housing counselors, U.S. Department of Housing and Urban Development.

This article is for informational purposes only and is not intended to provide legal, financial, or tax advice. Program rules, qualifying ratios, credit score minimums, assistance amounts, income limits, and student loan repayment plan options change and vary by borrower, property, and lender; confirm your figures with your loan officer and consult a qualified professional about your situation. Figures shown are illustrative, are not a rate quote or an offer of credit, and are subject to change. Align Lending is an independent Michigan mortgage broker, NMLS #2041154.