Yes, you can get a loan to build a garage, and you have several options: home equity loans, home equity lines of credit, cash-out refinances, personal loans, FHA 203(k) rehabilitation mortgages, and construction-to-permanent loans. Garage projects generally run from about $18,000 for a basic one-car build to $70,000 or more for a large custom three-car structure, so most homeowners finance at least part of the cost. The right product depends on how much equity you have, what your credit looks like, how fast you need the money, and whether you want to keep your existing mortgage intact.
The Main Ways to Finance a Garage Build
Home Equity Loan
A home equity loan gives you a lump sum secured by your house, repaid in fixed monthly installments over a term like 10, 15, or 20 years.1Federal Trade Commission. Home Equity Loans and Home Equity Lines of Credit Because the property backs the debt, rates run lower than on unsecured loans. The trade-off is that your home is on the line if you fall behind. This works well for a garage because you know the total project cost up front and can borrow to match.
Home Equity Line of Credit
A HELOC operates more like a credit card tied to your equity. You get a maximum limit and draw against it as needed during a draw period that typically lasts 5 to 10 years, paying interest only on what you actually use.1Federal Trade Commission. Home Equity Loans and Home Equity Lines of Credit That flexibility helps if construction costs come in under budget or if you’re paying contractors in stages. The catch is a variable rate tied to prime, so payments can climb. Average HELOC rates in early 2026 sit around 7 percent, though your actual rate depends on credit and lender.
Cash-Out Refinance
A cash-out refinance replaces your existing mortgage with a larger one and gives you the difference in cash. It folds the garage cost into a single monthly payment and can make sense if current rates are near or below what you already pay. The downsides: you restart your mortgage clock, closing costs are higher than on a home equity product, and you need enough equity to borrow the extra amount while staying within the lender’s loan-to-value limit.
Personal Loan
Personal loans are unsecured, so your house is not collateral. That protection costs you. Average personal loan rates in early 2026 run around 12 percent, roughly five percentage points above the average HELOC. Terms are shorter too, usually two to seven years, which means higher monthly payments. A personal loan makes the most sense for a smaller garage project where the amount is modest enough that the rate premium does not add up to a painful total interest bill.
FHA 203(k) Rehabilitation Loan
If you’re buying a house that needs a garage, or refinancing and building at the same time, the FHA 203(k) program rolls renovation costs into your mortgage. HUD explicitly lists garage construction and renovation as eligible improvements.2U.S. Department of Housing and Urban Development. 203(k) Rehabilitation Mortgage Insurance Program The Standard 203(k) covers major structural work with a $5,000 minimum in rehabilitation costs and lets you borrow up to the FHA loan limit for your area. The Limited 203(k) caps renovation financing at $75,000 and is meant for less extensive work.3U.S. Department of Housing and Urban Development. 203(k) Rehabilitation Mortgage Insurance Program Types Because most garage builds involve foundation work and structural framing, they typically fall under the Standard version.
Credit requirements are more forgiving than on conventional products. The FHA minimum is 580 for maximum financing, though many lenders set their own floor at 620 or higher. Down payments are lighter than on conventional construction loans, which helps borrowers with limited savings or equity.
Construction-to-Permanent Loan
For larger or more involved projects, a construction-to-permanent loan handles both phases with a single closing. During construction, you draw funds as work progresses and pay interest only on what’s been used. When the build is done, the loan converts automatically to a standard mortgage with a fixed term of 10 to 30 years. One closing, one set of costs, no need to requalify partway through. It’s most practical when the garage is part of a broader renovation or when project size justifies the more involved underwriting.
What Lenders Will Check
Credit Score
The floor depends on the product. FHA 203(k) loans go as low as 580 for full financing, though lenders often want 620.2U.S. Department of Housing and Urban Development. 203(k) Rehabilitation Mortgage Insurance Program Cash-out refinances and conventional construction loans generally start at 620. Home equity loans often need 680 or better. Personal loans span the widest range: some lenders work with borrowers in the low 600s, but the best rates go to scores above 720. The gap between a 650 and a 750 on a personal loan can mean six or more percentage points in your rate.
Debt-to-Income Ratio
Lenders look at how much of your gross monthly income already goes to debt payments. Most want that ratio under 43 percent, a long-standing industry benchmark. The CFPB’s current Qualified Mortgage rules no longer enforce a hard 43 percent ceiling; the 2021 General QM amendments replaced that bright-line test with pricing-based thresholds and left the specific ratio to lender discretion.4Consumer Financial Protection Bureau. 12 CFR Part 1026 Regulation Z – 1026.43 Minimum Standards for Transactions Secured by a Dwelling In practice, most lenders still treat 43 percent as an informal cap on conventional mortgage products. Personal loan and HELOC lenders sometimes allow up to 50 percent.
Equity and Loan-to-Value
For any product secured by your home, the lender measures how much of the property is already spoken for by your existing mortgage. Most want you to keep at least 20 percent equity after the new loan, though some allow as little as 15 percent. Say your home appraises at $400,000 and you owe $280,000. That’s $120,000 in equity, or 30 percent. A lender requiring 20 percent equity retention would let you borrow about $40,000 against it. This is where many borrowers hit a wall: even with strong credit and income, there’s a hard ceiling tied to appraised value minus what you still owe.
Which Loans Give You a Tax Deduction
Loan choice can move on the tax side too. Under federal tax law, “acquisition indebtedness” includes debt used to substantially improve a qualified residence, and the IRS defines a substantial improvement as anything that adds to a home’s value, prolongs its useful life, or adapts it to new uses.5IRS. Publication 936, Home Mortgage Interest Deduction Building a garage qualifies.
The deduction applies to interest on home equity loans, HELOCs, and cash-out refinances, but only if you actually use the borrowed money for the improvement. A HELOC taken out “for the garage” and spent on a vacation does not qualify. Total acquisition indebtedness eligible for the deduction is capped at $750,000, or $375,000 if married filing separately, for debt incurred after December 15, 2017.6Office of the Law Revision Counsel. 26 USC 163 – Interest For most homeowners, mortgage plus construction loan won’t come near that ceiling, so the full interest amount should be deductible. Interest on unsecured personal loans is never deductible, which is another reason equity-backed products often win on total cost even though they put your home at risk.
What You’ll Need to Apply
Lenders want proof you can repay and proof the project is real. On income, expect to provide W-2s or federal tax returns for the past two years.7Freddie Mac. Qualifying for a Mortgage When You Are Self-Employed Self-employed borrowers typically need two years of both personal and business returns. You’ll also need government-issued photo ID like a driver’s license or passport, which lenders are required to collect under federal customer identification rules.8eCFR. 31 CFR 1020.220 – Customer Identification Program Requirements for Banks
For the project, lenders want construction plans and written cost estimates. When the loan is secured by the property, the appraisal has to reflect the proposed improvements, so plans need to be detailed enough for the appraiser to judge post-construction value.9Fannie Mae. Requirements for Verifying Completion and Postponed Improvements The lender will typically want at least one detailed written estimate from a licensed contractor breaking out materials, labor, and timeline. If the garage will sit close to a property line, some lenders require a professional boundary survey before funding.
One boundary worth flagging: a loan pays for construction, but it does not clear you to build. You’ll need a local building permit before work starts, plus a separate electrical permit in most jurisdictions if the garage will have wiring. Zoning rules dictate where on your lot a garage can go, and detached garages face tighter restrictions because they are classified as accessory structures. Check with your local planning department before your plans are final. A new garage will also increase your property’s assessed value and your property tax, and your homeowners insurance limits will need to be adjusted to cover the added structure.
How the Money Reaches You
Once you submit the application, the file goes to underwriting, where analysts verify your income against credit reports and public records and check for liens or undisclosed debts. For equity-backed products, the lender orders an appraisal to determine the home’s current market value and its projected value after the garage is built. That post-improvement number sets how much you can borrow against.
At closing, you sign the loan agreement along with disclosures showing the annual percentage rate, total finance charges, and repayment schedule. For home equity loans and HELOCs secured by your primary residence, federal law gives you until midnight of the third business day after closing to cancel the transaction for any reason.10Consumer Financial Protection Bureau. 12 CFR 1026.23 – Right of Rescission The lender cannot release funds until that window closes. Cash-out refinances carry the same three-day right. Personal loans, since they aren’t secured by your home, don’t have this waiting period.
How the money arrives depends on the product. Home equity loans and cash-out refinances typically disburse the full amount as a lump sum by direct deposit or check once the rescission period ends. HELOCs let you draw as needed, which works well for paying contractors in stages. Construction-to-permanent loans and FHA 203(k) loans use a draw schedule that releases funds as work progresses, commonly split into four to six draws covering site work, foundation, framing, mechanicals, finishes, and a final draw after inspection. Before each draw, the lender sends an inspector to confirm the work is done, and contractors sign lien waivers confirming they’ve been paid.
For FHA 203(k) loans, HUD requires a contingency reserve of 10 to 20 percent of total renovation cost to cover unexpected expenses.11FHA Connection Single Family Origination. Standard 203(k) Contingency Reserve Requirements The reserve is built into the loan amount, so you don’t need to set the cash aside separately, but it does raise how much you’re borrowing. Unused contingency funds are applied to reduce your loan balance after the project wraps.
What a Garage Adds Back at Resale
Garage additions typically return 60 to 80 percent of their cost at resale, depending on the local market and how the build fits the neighborhood. In areas where most homes have garages, adding one to a house that lacks one can be especially valuable because it removes a competitive disadvantage. A home with a garage generally sells for $10,000 to $20,000 more than a comparable home without one, though the premium varies widely by region. The return is not dollar-for-dollar, but combined with the daily utility of covered parking and storage, a garage is one of the more financially defensible home improvements you can borrow to build.