The Pros and Cons of Buying Property Through a Company

When I picked up my 6th rental property back in year 11 of doing this, my personal income tax and residence tax bill for that year came to just under u00a51.8 million. That single number is what finally pushed me to set up a company (a godo gaisha, or GK, the Japanese equivalent of an LLC) to hold my remaining units. Three properties later, I’m still running a mix of personally-owned and company-owned buildings, and I’ve learned exactly where incorporation helps and where it just adds paperwork.

This isn’t a decision to make lightly. Setting up a company costs real money upfront, changes how your loans get underwritten, and adds an accountant’s fee every single year. But at a certain income level, the math flips hard in the company’s favor. Here’s what 15 years and 9 properties have taught me.

Why I Even Considered It

Personal income tax in Japan is progressive, and once your rental income stacks on top of a day job or other income, you can hit a combined rate of around 43% (income tax plus residence tax) on the top slice of earnings. A company, by contrast, pays corporate tax at a fairly flat rate u2014 roughly 23-34% depending on your prefecture and profit level, with a lower bracket for the first u00a58 million of income for smaller companies. Once my rental profit crossed about u00a59 million a year, personal tax was clearly costing me more than corporate tax would.

The Tax Advantages I’ve Actually Used

The savings aren’t just about the rate. Running a company opened up a few tools I couldn’t touch as an individual landlord:

• Paying a salary to my spouse for bookkeeping and tenant coordination work, which splits income across two lower tax brackets instead of stacking it all on mine.
• Carrying forward losses for up to 10 years as a company, versus 3 years for an individual u2014 huge when a big renovation year pushes you into the red.
• Deducting a wider range of expenses, including a portion of vehicle costs for property visits and a retirement allowance program for myself as a director.
• Smoother inheritance planning u2014 shares in a company can be transferred to my kids gradually over the years instead of triggering a lump-sum property transfer.

On one building alone, moving it into the company structure saved me close to u00a5400,000 in combined tax in the first full year, mostly from the salary-splitting and the lower flat rate on retained profit.

The Costs and Hassle Nobody Warns You About

Here’s the part people skip over. Setting up a GK cost me about u00a560,000 in registration fees when I did it myself through the Legal Affairs Bureau (a KK, the more formal corporate structure, runs closer to u00a5240,000 with notary fees). That’s the easy part. The ongoing costs are what add up:

• A company must file corporate tax returns every year even if it makes zero profit u2014 my accountant charges me around u00a5180,000 annually just for that filing.
• There’s a flat minimum local inhabitant tax of roughly u00a570,000 per year per company, due even in a loss year.
• Bookkeeping has to follow proper double-entry accounting standards, which is a real step up from the simplified records I kept as an individual landlord.

For my first year or two, the accounting fees genuinely ate into a chunk of what I’d saved on tax. It only started paying off once I had 2 or 3 properties inside the same company, spreading that fixed cost across more rental income.

Financing Gets More Complicated

This is the piece that surprises most people. When I first tried to get a mortgage in the company’s name, two of my usual regional banks turned me down flat u2014 a newly formed company with no track record looks risky to a loan officer, no matter how many properties I personally own. I ended up needing to personally guarantee the loan anyway, which somewhat defeats the “separate entity” idea on paper, even though it still protects other assets in practice.

Interest rates on company loans also ran about 0.3 to 0.5 percentage points higher than my personal mortgages for the first couple of properties I bought this way. That gap narrowed once the company had 4 years of tax returns showing steady rental income, but it’s a real cost to factor in during the early going.

A Quick Checklist Before You Incorporate

If you’re weighing this decision on your own portfolio, here’s roughly what I’d check first:

• Is your rental profit consistently above roughly u00a58-9 million a year? Below that, the corporate tax rate advantage often doesn’t outweigh the fixed accounting costs.
• Do you already have a relationship with a bank willing to lend to a newly formed company, or are you prepared to personally guarantee the first loan or two?
• Can you commit to proper bookkeeping, or budget for an accountant to handle it u2014 expect somewhere around u00a5150,000-200,000 a year?
• Do you have family members who could reasonably take a salary for real work in the business, to make use of income splitting?
• Are you thinking long-term about inheritance, where share transfers can be easier to manage than transferring physical property?

None of these questions has a universal right answer. A landlord with 2 small units and a full-time job elsewhere probably doesn’t need a company yet. Someone sitting on 6, 7, or more properties with serious rental income almost certainly should be running the numbers on it.

My Bottom Line After 15 Years

I don’t regret incorporating for my later purchases, but I wouldn’t tell someone with 1 or 2 properties to rush into it. The break-even point, in my experience, sits somewhere around u00a58-9 million in annual rental profit or 4-5 properties, whichever comes first. Below that line, the annual accounting fees and the friction with lenders will likely outweigh what you save in tax. Above it, a company structure has genuinely paid for itself many times over across my portfolio. That’s the threshold I use whenever I’m advising a fellow landlord on whether it’s time to make the switch.

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