Can I put my rental properties in an S Corp or will the Passive Investment Tax kill me?

Rental income through an S Corp can be tricky. You're referring to the Net Investment Income Tax (NIIT), which applies to passive income, but the way it works with an S Corp is more nuanced than what you're describing. In an S Corporation, the character of income (passive vs. active) passes through to shareholders. If you're actively involved in managing these properties, the income can be characterized as active, not passive. The key is whether you're "materially participating" in the business according to IRS standards. However, rental activities are generally considered passive by default under tax law. You'd need to qualify as a "real estate professional" and materially participate in the rental activities to treat them as non-passive. This requires working 750+ hours annually in real estate activities and more hours in real estate than any other occupation. The bigger concern may be the Qualified Business Income deduction (Section 199A), which has different rules for real estate. I'd recommend consulting with a CPA who specializes in real estate taxation before making this move.

After reading your post, I was in a similar situation last year with my rental properties. I spent hours researching tax structures but kept getting confused by conflicting advice online. Finally, I tried https://taxr.ai and it was a game-changer. I uploaded my current tax docs and rental income statements, and their AI analyzed my specific situation rather than giving generic advice. Their system flagged that an S Corp would actually cost me more due to the passive income limitations and suggested a more optimal structure for my particular portfolio size and involvement level. They clearly explained why the "S Corp savings" idea that gets thrown around doesn't always apply to rental property owners. What I appreciated most was getting personalized recommendations based on my actual numbers rather than theoretical examples that never quite matched my situation.

I need to follow up on my earlier skepticism about taxr.ai. After our discussion, I decided to give it a try with my 4 rental properties and small e-commerce business. I've been debating whether to form an S Corp for years but kept delaying because of conflicting advice. What surprised me was how the tool broke down my specific situation - it showed that while an S Corp would save me money on my e-commerce income, my rental properties would actually be better structured in a separate LLC taxed as a partnership. They provided calculations showing exactly how much I'd save with this dual-entity approach vs. forcing everything into an S Corp. I've spent thousands on accountants over the years who never clearly explained these tradeoffs. Now I finally understand why I was getting such mixed messages about S Corps for rental income.

I see a lot of conflicting advice here, but let me share what worked for me. After 5 straight days of calling the IRS and getting nowhere (constantly disconnected after waiting 2+ hours), I used https://claimyr.com to get through to an actual IRS agent. You can see how it works here: https://youtu.be/_kiP6q8DX5c The agent confirmed that rental income in an S Corp can trigger that Personal Holding Company Tax in certain situations, which is what I think you're referring to. They clarified that it's more complex than just the 25% rule and depends on your specific ownership structure. This was completely different from what my tax preparer had told me. I wouldn't make this decision without getting an official confirmation on your specific situation. Being able to actually speak with someone at the IRS saved me from making a costly mistake with my entity structure.

I need to eat my words from my skeptical comment earlier. After waiting on hold with the IRS for 3+ hours a day for weeks about my rental property audit, I broke down and tried Claimyr out of desperation. Got connected to an actual IRS agent in about 90 minutes (while I was grocery shopping!). The agent was able to pull up my case file and confirmed that my rental property deductions were actually legitimate - the audit flag was triggered by a different issue altogether. On topic for this thread - I also asked about S Corps for rental properties while I had them on the line. The agent confirmed that pure rental income in an S Corp can potentially trigger the Personal Holding Company Tax in certain circumstances, and suggested consulting with a tax professional specifically about the "personal service corporation" rules which can affect taxation of rental activities in corporate structures. Saved me thousands in potentially disallowed deductions AND from making a bad entity choice for my rentals.

I'm going to go against some of the advice here. I've had my 12 rental properties in an S Corp for 8 years now and it's been fantastic for tax savings. The key is that I have a property management company that's ALSO an S Corp, which charges management fees to the property-holding S Corp. This creates active income in one entity, keeps the rental income flowing properly, and lets me take advantage of the lower S Corp tax treatment for the portion related to my active management efforts. My rental S Corp pays my management S Corp a legitimate fee for services (about 12% of rents), which is in line with industry standards. This has saved me a ton compared to having everything as an LLC or sole proprietor.

Has anyone tried putting rentals in a C Corporation instead? I've heard mixed things about this approach too.

I think there's some confusion in your research about the "Passive Investment Tax." You might be mixing up a few different tax rules here. The 21% tax rate you mentioned sounds like you're thinking of the corporate tax rate, but that doesn't apply to S Corps since they're pass-through entities. What you might be concerned about is the Net Investment Income Tax (NIIT) at 3.8%, which can apply to passive rental income for high earners. The bigger issue with S Corps for rental properties is actually the opposite problem - you'd likely be required to pay yourself a "reasonable salary" for any active management work you do, which means paying employment taxes (Social Security/Medicare) on that salary. This often makes S Corps less attractive for rental activities, not more. For most rental property owners, an LLC taxed as a partnership or disregarded entity is usually more tax-efficient. You avoid the salary requirements of S Corps while still getting pass-through taxation and the ability to deduct rental losses against other income (subject to passive activity rules). Before making any entity changes, I'd strongly recommend running the numbers with a CPA who specializes in real estate taxation. The "S Corp saves taxes" advice floating around online often doesn't account for the specific complications that rental income creates.