Column ・ Property Management ・ Vol.26

Managing a Home With a Rental Unit Attached (Chintai Heiyō Jūtaku): What to Watch For

Here's an overview of the management considerations — different from an ordinary rental property — for a chintai heiyō jūtaku, a building that combines an owner's home and rental units under one roof.

A chintai heiyō jūtaku — a building combining an owner's home and rental units under one roof — has advantages of its own, such as being able to use a home mortgage (jūtaku rōn), but it also has management considerations that differ from an ordinary rental property.

Key points in this article
  • A chintai heiyō jūtaku is a building with both an owner-occupied portion and a rental portion under one roof, and if it meets requirements such as a minimum share of floor area for the owner's home, it may be possible to use a home mortgage to finance it.
  • Because the owner lives on site, they're physically close to their tenants, which can make trouble over things like noise or how shared areas are used feel more immediate.
  • If a home mortgage is being used, changing the share or use of the rental portion can affect the loan terms.
  • Whether to handle tenant matters yourself or outsource them to a management company needs to be weighed against the owner's own living situation.
  • For a future sale or inheritance, because the home and rental portions are combined into one property, the valuation and procedures differ from an ordinary rental property.

What Is a Chintai Heiyō Jūtaku?

A chintai heiyō jūtaku is a building that combines an owner-occupied portion and a rental portion in a single structure. Where it meets certain requirements — such as the share of floor area taken up by the owner's home — it can sometimes be built or purchased using a home mortgage, and being able to put the rental income toward the loan repayment is a common motivation for choosing this format. It's also a format often considered when rebuilding an inherited family home, or when someone wants to start a rental business while keeping their own capital outlay down.

Considerations From Having the Home and Rental Portions So Close Together

Because the owner themselves lives in the same building, they're physically close to their tenants, and trouble over things like everyday noise or the use of shared areas (the trash collection point, the bike parking area, and so on) tends to feel more immediate than with an ordinary rental property. It's worth anticipating both how you'll handle day-to-day communication and the fact that the owner is more likely to end up dealing directly with a problem when one comes up. Giving thought at the design stage to how sound travels and to separating traffic flow makes it easier to hold down trouble once tenants have moved in.

The Effect on the Home Mortgage and the Management Setup

If you're using a home mortgage, a gap between the loan's usage conditions and the actual share of floor area or actual use of the rental portion can affect the terms of the loan. When changing the share of the rental portion through an extension or renovation, it's advisable to check with the financial institution beforehand. If you're planning to expand the rental portion in the future, it's reassuring to consult the financial institution at the time of purchase or construction and confirm whether the terms can be changed.

Tenant Trouble Becomes a More Immediate Concern

Whether to handle tenant trouble yourself or hand it to a management company is a genuine dilemma. Being physically close means more chances to deal with things face to face, which can make some matters easier to handle, but it also tends to add to the owner's own psychological burden. One option is to divide the roles — outsourcing matters that call for specialist handling (chasing rent arrears, for instance) to a management company, while the owner handles day-to-day communication themselves. Deciding in advance where your own responsibility ends and the management company's begins makes it easier to respond without hesitation when something actually happens.

Managing With a Future Sale or Inheritance in Mind

When considering a future sale or inheritance, because the home and rental portions are combined into one property, the valuation method and procedures can differ from an ordinary rental property (an owner-change property). Demand also varies depending on whether a buyer would use it as their own home or continue running it as a rental, so it's reassuring to consult a professional early on.

Frequently Asked Questions

Is self-management fine for a chintai heiyō jūtaku?

Being physically close to tenants does make some things easier to handle under self-management, but for tasks that call for specialized knowledge — handling arrears or contract paperwork, for example — outsourcing to a management company is also an option.

What happens to my home mortgage if I increase the rental portion?

Because of the requirements set by the financial institution, changing the share of the rental portion can affect the loan terms. We recommend checking with the financial institution before any extension or renovation.

Is a chintai heiyō jūtaku hard to sell?

It's hard to generalize. There can be demand from buyers who want to use it as their own home as well as buyers who want to continue running it as a rental, but the approach to valuation differs from an ordinary rental property, so we recommend considering it in consultation with a professional.

Summary

A chintai heiyō jūtaku has advantages of its own, such as being able to use a home mortgage, but it also comes with management considerations that stem from the owner living on site. It's important to divide roles with an eye to how close you are to your tenants, and to get ready in advance for a future sale or inheritance.

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