I Net $320K From My Practice. After Taxes, Payroll, and Overhead, I Feel Like I Work for the IRS.
I'm a dentist, and I love what I do. Building my solo practice from the ground up has been incredibly rewarding. I've poured my heart and soul into it, and thankfully, it's thriving. Last year, my practice netted a solid $320,000. That's a number I'm proud of, a testament to years of hard work, late nights, and a genuine commitment to my patients. But here's the kicker: when I look at what's left after taxes, payroll, and all the overhead that comes with running a business, I can't help but feel like a significant chunk of my effort goes straight to the IRS. It's a frustrating cycle, and honestly, it feels like I'm working harder just to stay in the same place.
Key Takeaways
- Even with an S-corp structure, federal income taxes can feel overwhelming for successful small business owners.
- Traditional tax-advantaged accounts like SEP-IRAs and HSAs have contribution limits, creating a ceiling on tax optimization.
- A private foundation can offer a powerful, often overlooked, strategy for significant tax deductions while enabling substantial philanthropic impact.
- For example, an annual $60,000 contribution to a private foundation could lead to an estimated $22,000 reduction in federal income taxes each year.
- Over a decade, this strategy could help retain over $220,000 that would otherwise go to taxes, allowing you to build a lasting legacy.
The S-Corp Advantage: Doing Everything "Right" But Still Feeling the Pinch
My CPA, a smart guy, always tells me I’m doing everything right. And by all accounts, I am. My practice is structured as an S-corporation, which was a game-changer years ago. It allowed me to pay myself a reasonable salary and take the rest as distributions, effectively saving me a significant chunk on self-employment taxes. For a solo practitioner like me, that 15.3% FICA tax on every dollar of profit can be brutal. By splitting my income, I only pay Social Security and Medicare taxes on my W-2 salary, not on the distributions. This strategy alone has saved me tens of thousands over the years. [1]
I’ve also been diligent about maximizing my retirement savings. My SEP-IRA is maxed out every year, and my HSA is fully funded. These are fantastic tools, offering immediate tax deductions and allowing my investments to grow tax-free or tax-deferred. But here’s the rub: there’s a ceiling. Once I hit those contribution limits, which I do every year, I’m left looking at the remaining profit from my practice, and a substantial portion of it still goes to Uncle Sam. It feels like I’ve optimized everything within the traditional framework, yet I’m still writing huge checks to the IRS, year after year. It’s frustrating to feel like there’s no more room to breathe, no more strategies to explore.
Let’s break down my typical tax situation. With a net income of $320,000, even with the S-corp structure and maxed-out retirement accounts, my federal income tax liability is substantial. For a single filer in 2025, the tax brackets look something like this [2]:
| Tax Rate | Taxable Income (Single Filer) |
|---|---|
| 10% | $0 to $11,925 |
| 12% | $11,926 to $48,475 |
| 22% | $48,476 to $103,350 |
| 24% | $103,351 to $197,300 |
| 32% | $197,301 to $250,525 |
| 35% | $250,526 to $626,350 |
| 37% | $626,350 or more |
After accounting for my reasonable salary (on which I pay FICA taxes) and distributions, and considering deductions, a significant portion of my income falls into those higher brackets. My CPA estimates my total tax burden, including federal, state, and self-employment taxes on my salary, to be in the $95,000 to $115,000 range. That’s a lot of money that could be reinvested in my practice, my family, or my community. It makes me wonder, is there truly nothing else I can do? Is this the absolute limit of tax efficiency for a small business owner like me?
The "What If" Moment: Beyond Traditional Optimization
This constant feeling of hitting a tax ceiling, despite doing everything "right," led me to a critical "what if" moment. What if there was another strategy, one that went beyond the typical retirement accounts and S-corp structures? What if there was a way to not only significantly reduce my tax burden but also create a lasting legacy, something meaningful that aligned with my values?
That's when I started exploring the concept of a private foundation. Initially, it sounded like something only for the ultra-wealthy, the Gates or the Buffets of the world. But as I delved deeper, I realized it's a powerful tool accessible to successful small business owners like me, especially those with consistent, high net income.
Private Foundation: A New Frontier for Tax Efficiency and Impact
A private foundation is essentially a charitable organization established and controlled by an individual or family. It allows you to contribute assets, receive a significant tax deduction, and then direct those funds to charitable causes you care about. The key difference from simply donating to a public charity is the control and long-term strategic giving it enables. But from a tax perspective, it opens up a new avenue for deductions that can far exceed the limits of traditional retirement vehicles.
Let's compare the deduction limits. For a SEP-IRA, the maximum contribution for 2025 is generally 25% of your compensation, capped at $69,000 [3]. While substantial, it's still a fixed ceiling. For a private foundation, the rules are different. You can deduct cash contributions up to 30% of your Adjusted Gross Income (AGI), and appreciated securities up to 20% of your AGI [4]. The beauty here is that for a business owner taking distributions from an S-corp, a significant portion of that income can be channeled into the foundation, generating a substantial deduction against your personal income.
Consider my situation: a net income of $320,000. If I were to contribute, say, $60,000 annually from my S-corp distributions to a private foundation, here's how the tax landscape could shift:
Before Private Foundation Contribution (Estimated)- Net Income: $320,000
- Estimated Taxable Income (after S-corp salary, SEP-IRA, HSA, standard/itemized deductions): ~$200,000 - $220,000
- Estimated Federal Income Tax (based on 2025 single filer brackets): ~$45,000 - $50,000 (This is a simplified estimate for illustration, actual tax depends on many factors)
By contributing $60,000 from my S-corp distributions to a private foundation, this amount becomes a charitable deduction against my personal income. Assuming my AGI allows for the full deduction, this directly reduces my taxable income. Let's say this $60,000 deduction brings my taxable income down by that amount. If a significant portion of that $60000 was previously taxed at the 32% or 35% marginal federal income tax bracket, the savings are substantial.
For instance, if $60,000 of my income was being taxed at a blended marginal rate of approximately 37% (federal income tax + state income tax, simplified for example), a $60,000 deduction could reduce my tax liability by roughly $22,200 ($60,000 * 0.37). This is a significant reduction, far beyond what I could achieve with additional SEP-IRA contributions.
The Long-Term Impact: A Decade of Retained Wealth and Philanthropy
The real power of this strategy becomes evident when you look at it over the long term. If I can consistently reduce my tax burden by an estimated $22,000 per year through a $60,000 annual contribution to my private foundation, the numbers become compelling:
| Year | Annual Tax Reduction | Cumulative Tax Reduction |
|---|---|---|
| 1 | $22,000 | $22,000 |
| 2 | $22,000 | $44,000 |
| 3 | $22,000 | $66,000 |
| 4 | $22,000 | $88,000 |
| 5 | $22,000 | $110,000 |
| 6 | $22,000 | $132,000 |
| 7 | $22,000 | $154,000 |
| 8 | $22,000 | $176,000 |
| 9 | $22,000 | $198,000 |
| 10 | $22,000 | $220,000 |
Over a decade, this strategy could lead to retaining an additional $220,000 that would otherwise have gone to taxes. This isn't just about saving money; it's about redirecting that capital. Instead of flowing into the general tax coffers, it's now under my control within my private foundation, ready to be deployed for charitable purposes that I deeply care about. It transforms a tax burden into a philanthropic opportunity, allowing me to make a tangible difference in the world while simultaneously optimizing my financial position.
This is the kind of optimization my CPA never mentioned, not because he's not good, but because it's outside the typical scope of what most small business owners consider. It's a strategy that empowers me to break through that perceived ceiling on tax efficiency and truly take control of my financial future and my legacy.
Run my numbers
References
[1] TurboTax. "How an S-Corp Can Reduce Your Self-Employment Taxes." TurboTax Tax Tips & Videos, Intuit, 1 Nov. 2025, https://turbotax.intuit.com/tax-tips/small-business-taxes/how-an-s-corp-can-reduce-your-self-employment-taxes/L4abUcaRn.
[2] Durante, Alex. "2025 Tax Brackets and Federal Income Tax Rates." Tax Foundation, 18 Jan. 2026, https://taxfoundation.org/data/all/federal/2025-tax-brackets/.
[3] Fidelity. "SEP IRA contribution limits for 2025 and 2026." Fidelity.com, https://www.fidelity.com/learning-center/smart-money/sep-ira-contribution-limits.
[4] IRS. "Charitable contribution deductions." Internal Revenue Service, https://www.irs.gov/charities-non-profits/charitable-organizations/charitable-contribution-deductions.