5 Smart Tax-Efficient Mortgage Strategies for High-Income Households
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May 15, 2025

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For high-income households, finding ways to reduce your tax burden can be a game-changer for building wealth. Mortgage strategies can play a critical role in this effort, offering both tax savings and long-term financial benefits. Here are five smart, tax-efficient mortgage strategies every high-income earner should consider.

1. Utilize Mortgage Interest Deductions

One of the simplest yet most powerful tax advantages for homeowners is the mortgage interest deduction. For most homeowners, interest paid on a mortgage of up to $750,000 ($375,000 if married filing separately) can be deducted from taxable income.

Example: If you have a $700,000 mortgage with a 6% interest rate, that’s $42,000 in annual interest, potentially saving you over $12,000 in taxes (assuming a 30% tax bracket).

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2. Leverage Home Equity for Tax-Advantaged Borrowing

High-income earners often have substantial home equity, which can be tapped for additional investments or debt consolidation. A Home Equity Line of Credit (HELOC) can be a tax-efficient way to access this capital. Interest on a HELOC is still tax-deductible if the funds are used for home improvements, up to the same $750,000 mortgage limit.

For example, if you use a $200,000 HELOC to renovate a rental property, the interest could be deductible, while also boosting the property’s value and potential rental income.

👉 Explore our HELOC Lenders guide to find the best options for leveraging your home’s equity.

3. Use Cash-Out Refinancing for Investment

If you have significant equity built up, a cash-out refinance can provide liquidity for other investments, like expanding a real estate portfolio or funding a business. While the cash itself isn’t tax-deductible, the interest paid on the portion of the mortgage that’s used for investment properties might be.

Example: Cashing out $250,000 from a primary residence to purchase an investment property could provide tax advantages if structured properly. This approach also lets you consolidate higher-interest debt into a lower-rate, potentially tax-deductible mortgage.

👉 Use our Cash Out Refinance guide to explore your options.

4. Consider DSCR Loans for Investment Properties

For real estate investors, Debt Service Coverage Ratio (DSCR) loans can offer significant tax advantages. These loans qualify based on the property’s cash flow, rather than the borrower’s personal income, potentially allowing you to acquire more properties without hitting traditional debt-to-income (DTI) limits.

DSCR loans are particularly beneficial for high-income investors looking to keep personal finances separate from investment assets. Plus, the interest paid on these loans is typically tax-deductible, as they are considered business-purpose loans.

👉 Learn more about DSCR Loans and how they can supercharge your investment strategy.

5. Invest in Real Estate for Depreciation Benefits

Owning rental properties can provide significant tax benefits through depreciation, which allows you to deduct a portion of the property’s value each year, reducing your taxable rental income. This non-cash deduction can offset positive cash flow, making real estate one of the most tax-efficient investments available.

For instance, a $500,000 rental property could generate around $18,000 in annual depreciation (assuming a 27.5-year schedule for residential property), potentially offsetting thousands in taxable income.

👉 Considering investing in rental properties? Use our Affordability Calculator to find out how much property you can afford.

Frequently Asked Questions

Can I deduct mortgage interest on a second home?

Yes, mortgage interest on a second home is generally deductible, but the combined total of your first and second home mortgage debt cannot exceed $750,000.

Are HELOCs still tax-deductible in 2025?

Yes, but only if the HELOC funds are used for substantial home improvements.

What is the benefit of a DSCR loan for high-income investors?

DSCR loans can allow investors to scale their portfolios without relying on personal income for qualification, potentially reducing their overall tax burden.

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Our advice is based on experience in the mortgage industry and we are dedicated to helping you achieve your goal of owning a home. We may receive compensation from partner banks when you view mortgage rates listed on our website.

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