Unlocking Wealth: How an Installment Sales Trust Can Slash Your Capital Gains Tax

If you’re selling a highly appreciated asset, be it real estate, a business, or a stock portfolio, you’re likely facing a significant capital gains tax bill. But what if you could defer that tax, keep more of your money working for you, and build wealth over time? Enter the Installment Sales Trust, a powerful tax-deferral strategy rooted in Internal Revenue Code Section 453. In this post, we’ll break down how a IST works, its benefits, and why it’s a game-changer for savvy investors.

Disclaimer: This information is for educational purposes only. Tax laws are complex and subject to change, so always consult a qualified tax professional before proceeding. The strategies discussed are based on the tax code as of August 2025, but your situation may vary. ISTs involve risks, including potential IRS scrutiny, and are not explicitly approved by the IRS. Professional advice is essential to ensure compliance and suitability for your circumstances.

What Is an Installment Sales Trust?

An Installment Sales Trust (IST) – also known as an Installment Sales Trust – is a legal structure that allows you to defer capital gains taxes when selling appreciated assets. Unlike a Delaware Statutory Trust (a real estate vehicle), the IST leverages IRC Section 453, which has been in place for over a century, to spread your tax liability over time as you receive payments.

The IST is ideal for assets like:

• Real estate
• Businesses
• Stock portfolios
• Or many other highly appreciated investments

By deferring taxes, you keep more capital invested, allowing it to compound and grow over time.

How Does an Installment Sales Trust Work?

Here’s a step-by-step look at the IST process:

1. Asset Transfer:You transfer your asset to a specialized trust before the sale. This trust, managed by an independent third-party trustee, is a separate legal entity.
2. The Sale:The trust sells the asset to the buyer at the same basis it received from you, avoiding immediate capital gains tax. This typically happens simultaneously with the trust setup.
3. Promissory Note:You receive a promissory note from the trust for the sale amount, outlining installment payments over a flexible period – months, years, or even decades.
4. Avoiding Constructive Receipt:Since you don’t directly receive the sale proceeds, you avoid “constructive receipt,” meaning the gain isn’t taxed upfront. Taxes are paid only on each installment, which includes a mix of tax-free basis, capital gain, and interest.
5. Reinvestment:The trust holds the sale proceeds at custodians like Fidelity or Charles Schwab and, through conversations with your advisor, invests in a diversified portfolio (stocks, bonds, private equity, real estate, etc.) to support the note’s payments. The note’s interest rate, typically 6-10% net over a term like 10 years, is based on the expected performance of these investments.

Analogy: You as the Creditor

Think of yourself as a bank. When you get a mortgage, the bank is the creditor, lending money and charging interest (e.g., 5%). In an IST, you’re the creditor. You transfer your asset to the trust, and the trust “owes” you the sale amount, paying you interest (e.g., 8%) based on the performance of its investments. This structure keeps your money working while deferring taxes.

A Real-World Example

Let’s put numbers to it. Note that this is an illustrative example; actual taxes and fees will vary based on your situation.

By keeping nearly the full $5,000,000 invested (minus fees and costs), you harness the power of compounding, potentially boosting your wealth compared to starting with just $3,280,000 after taxes. However, ongoing management fees will apply, which could impact returns.

Why Use an IST?

1. Tax Deferral

Deferring taxes (e.g., $1,200,000 in the example) means more capital stays invested initially, potentially growing your wealth over time.

2. Flexibility

You control the payment schedule, monthly, yearly, or even decades out, tailored to your financial goals.

3. Security

• The trust is managed by an independent trustee with a fiduciary duty to protect your interests.
• Assets are held by reputable custodians like Charles Schwab or Fidelity.
• You’re a secured creditor with a promissory note backed by a comprehensive security agreement, ensuring protection against mismanagement.

4. Estate Planning Benefits

If you pass away, the promissory note transfers to your beneficiaries or a family trust, maintaining tax deferral and allowing them to adjust payment terms if needed.

5. Track Record

The IST concept stems from the Revenue Act of 1921 and has been refined since the 1990s. While promoters report thousands of transactions with no reported incidents of unauthorized activity, ISTs have faced IRS scrutiny and audits. Always verify with professionals.

IST vs. Traditional Installment Sale

In a traditional installment sale, you finance the sale directly with the buyer, spreading taxes over time but taking on the risk of buyer default. If the buyer fails to pay (e.g., the business they bought flops), you’re left chasing payments or repossessing a potentially worthless asset.

An IST eliminates this risk:

• The sale is a full cash transaction, so the buyer is out of the picture.
• The trust assumes the payment obligation, backed by diversified investments and professional management.

Why an Independent Trustee?

The trust’s independence is critical to avoid constructive receipt, which could trigger immediate taxation. A vetted, independent trustee (from a proprietary network of about 12 nationwide) handles six key duties:

1. Safeguarding Assets:Ensures trust assets are secure and perform to meet payment requirements.
2. Investment Alignment:Works with you and your advisor to align investments with your risk tolerance and goals.
3. Executing Instructions:Carries out your investment directives accurately and promptly.
4. Performance Reporting:Provides regular, accurate investment performance reports.
5. Facilitating Changes:Supports adjustments to keep the trust aligned with your goals.
6. Tax Compliance:Files the trust’s tax return and provides annual earnings statements.

Risks and Misconceptions

There are some misconceptions about ISTs, particularly confusion with monetized installment sales, which have been blacklisted by the IRS on its “Dirty Dozen” list. To be clear, an Installment Sales Trust is not a monetized installment sale, which is explicitly prohibited under IRC Section 453 due to practices like pledging or loaning funds back to the seller. In contrast, ISTs are fully compliant with IRC Section 453, focusing on legitimate installment sales without monetization or seller loans. Over nearly 30 years, ISTs have undergone three IRS field audits with a perfect track record, IRS-reviewed, audit-supported, and backed by full legal compliance. While not explicitly IRS-approved, this history underscores the IST’s robust design.

Note there are some upfront setup fees and ongoing management costs, so vet promoters carefully and work with a trusted tax advisor to ensure compliance. Additionally, ISTs involve:

• Upfront setup fees(often around 1-1.5% of the asset value) and ongoing management costs (typically 1-2% annually), which reduce the amount available for investment and can impact overall returns.
• The need for a trusted tax advisor and attorney to ensure compliance and mitigate risks like potential recharacterization by the IRS.

At Horizon Wealth, we provide a detailed due diligence email for your tax professional to review, ensuring transparency and compliance.

Bringing It Together

The Installment Sales Trust, is a tool worth considering for those facing large capital gains taxes, offering potential flexibility, security, and tax deferral benefits. However, it requires careful planning, professional guidance, and awareness of costs and risks to ensure it aligns with your goals.

At Horizon Wealth, we’ve used ISTs for eight years as a cornerstone of our tax-focused strategies. Want to learn more? Check out our educational videos featuring interviews with our partnering trustee, or reach out to discuss how an IST might work for you, keeping in mind the need for personalized advice.