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In today’s competitive housing market, qualifying for a mortgage can be a challenge — especially with rising mortgage rates and stricter lending criteria. One increasingly popular strategy among homebuyers is using multiple incomes to qualify for a mortgage. Whether you’re combining salaries with a spouse, pooling income with a co-signer, or leveraging side hustles and rental earnings, this approach can significantly boost your borrowing power and open doors to better properties.
This guide will dive in to how to use more than one income to qualify for a home loan, the types of incomes that apply, and who can pool their income together.
Qualifying for a mortgage comes down to one key question: Do you have enough stable income—and manageable debt—to make your monthly payment over time? Lenders will use your debt-to-income ratio to answer this question.
By using multiple incomes to qualify for a mortgage, you can:
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Example:
If one applicant earns $70,000 annually, but together with a partner or side gig you add $30,000 more, your combined income becomes $100,000. This can unlock a higher qualifying amount. |
This approach of combining incomes for a mortgage is increasingly common in today’s markets, like Seattle, San Francisco, and Portland. It’s especially helpful for first-time home buyers, self-employed individuals, and families purchasing multi-generational homes.
Lenders typically allow income to be combined from:
Each party must meet the lender’s credit and income documentation requirements. The more stable and verifiable the income, the better your chances of approval.
When you’re using dual income to buy a home, it’s essential to know which income sources lenders accept and under what conditions.
This is the most straightforward: W‑2 income or hourly job with a stable employer. Lenders require documentation such as pay stubs, W‑2s or 1099s for verification.
Many borrowers have a base income plus variable income (bonuses, commissions, overtime). Lenders may allow this income if it has been received for at least two years and there is a reasonable expectation it will continue.
Having more than one job can be combined as long as each income source is verifiable and likely to continue. The U.S. Department of Housing and Urban Development (HUD) notes that part‑time income may qualify if it has been consistent for two years.
If you own a rental property and it generates positive cash flow, many lenders will count a portion of that income toward qualifying. This is another form of “non‑traditional income mortgage” qualification.
If you’re self‑employed or own a business, you can still count your income for mortgage qualification, typically by using the last two years of tax returns and ensuring your business is stable.
If you apply together with a spouse, partner, or even another qualifying individual, their income can be added for a joint income mortgage scenario. This is a classic example of using multiple incomes to qualify for a mortgage.
When mortgage lenders see multiple incomes on an application, they’ll apply certain conditions and verify documentation to ensure reliability. Here are the criteria they care about:
Lenders typically look for a 2‑year history of the income source, especially for variable or non‑traditional income, along with evidence that it will continue.
Proof in writing is crucial, which can include pay stubs, W‑2 forms, tax transcripts, and employer letters of verification. For multiple incomes, each source must be documented as acceptable to the lender.
For variable incomes (commissions, bonuses), lenders will average the income over two years (or more) and will require no downward trend. If income declines, lenders may exclude it or require explanation.
Even with multiple incomes, you still must meet guidelines for debt-to-income ratios; namely, these ratios should be no higher than 43%.
Some programs, like Fannie Mae’s HomeReady, allow co‑borrower or non‑occupant income to count, but there may be area median income (AMI) limits and other conditions.
If you’re planning on using multiple incomes to qualify for a mortgage, follow these practical steps:
Ensure each income source has a record of at least 2 years (for variable incomes) or is sufficiently documented for a newer job but with explanation and evidence of continuation.
List all valid incomes, like primary salary, side job, partner income, or rental income. Add them together to determine your total gross qualifying income.
Using your combined income, calculate your debt-to-income ratio. Make sure you’re within the lender thresholds (often 43%).
Choose a mortgage loan program — for example, an FHA loan or adjustable-rate loan — that supports your income structure. If you’re using multiple incomes, perhaps one program allows part‑time income or side gig more easily.
Because you’re combining multiple income types, choosing a knowledgeable and experienced mortgage company that will accept your income mix and structure your application properly is key.
While combining incomes is powerful, there are common pitfalls:
What if one income is irregular?
If one applicant has variable income (ie. freelance or commission-based), lenders may average their earnings over two years. In some cases, they may only count a portion of that income or require additional documentation.
Does pre-approval still apply?
Yes, even when combining incomes, you should still go through mortgage pre-approval. This involves verifying income and assets, running credit checks, and assessing your financial readiness. This will give you an idea of what you can afford and strengthens your offer when making an offer on a home.
Can I use two part‑time incomes to qualify for a mortgage?
Yes, as long as both incomes meet lender criteria (history, documentation, continuation).
Do I need two years of history for all incomes?
Generally, you’ll need two years’ worth of income history for variable or non‑traditional incomes (bonuses, side gigs, part‑time).
Can a non‑occupant’s income count in a mortgage application?
In some programs (ie. Fannie Mae HomeReady), yes, you can count the income of someone who won’t live in the home, as long as documentation is provided.
What if I have bonus income that’s irregular?
Irregular income is harder to count. Lenders will likely average it and may exclude it if it’s inconsistent.
Can I include rental income from a property I own?
Yes, you may be able to use rental income with documentation (ie. lease, tax returns) while factoring in expenses and vacancy.
Using multiple incomes to qualify for a mortgage is a smart, strategic move for home buyers navigating a competitive market. By pooling resources, you can increase your buying power, access better homes, and improve your chances of approval. Just be sure to document everything, understand the risks, and work with professionals who can guide you through the process.
Are you ready to apply for a mortgage to buy a home in the Pacific Northwest? Want to see what type of mortgage rate you may qualify for? If so, we can help. Sammamish Mortgage is a mortgage company that has been providing mortgage programs to borrowers throughout Washington, Oregon, Idaho, Colorado, and California since 1992. Use our Free Rate Quote Tool or our online mortgage calculator to determine your rate and estimated monthly payments. Contact us today with any questions you have about mortgages. Or, visit our website to get an instant rate quote.
Whether you’re buying a home or ready to refinance, our professionals can help.
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