10 Essential Points to Check Before Turning a Vacant House into a Vacation Rental

Vacation rentals (minpaku) have become a popular way to generate income from vacant properties. However, many people are drawn in by the appealing upside without adequate preparation, only to run into unexpected trouble and costs that ultimately derail their business.

Let’s get straight to the point: the key to successfully turning a vacant house into a profitable vacation rental is identifying every possible risk—every “point of caution”—before you launch, and putting a solid countermeasure in place for each one.

So you don’t end up regretting a rushed start, this article walks through the “10 essential points” you absolutely need to address when converting a vacant house into a vacation rental, along with concrete solutions for each.

Why “Just Getting Started” Is a Dangerous Approach

The enthusiasm behind “let’s just get started” is admirable, but in vacation rental management, it’s extremely risky. Legal penalties for non-compliance, cash flow problems from unexpected expenses, and—perhaps most troublesome of all—disputes with neighbors are just some of the issues that “I didn’t know” won’t excuse. Understanding these risks in advance is the fastest route to success.

[Avoid Failure] 10 Essential Points for Vacant House Vacation Rentals

Point 1: [Legal] Is Vacation Rental Even Permitted in This Area?

This is the most basic yet potentially fatal pitfall of all. Land in Japan is subject to “zoning designations,” and in certain areas, vacation rentals simply cannot operate. Areas designated as “Category 1 Low-Rise Exclusive Residential Zones,” in particular, are generally off-limits. On top of that, many local municipalities have their own strict supplementary ordinances—such as bans on weekday operation or prohibitions in specific districts.

Countermeasure: Always confirm officially with the local municipality (such as the building guidance division or public health center) whether vacation rental operation is permitted at your property’s location.

Point 2: [Legal] Do You Understand the Difference Between the “Hotel Business Act” and the “Minpaku Act”?

The rules governing vacation rental operations fall into two main categories: the “Hotel Business Act” (simple lodging) and the “Private Lodging Business Act” (commonly known as the Minpaku Act). Moving forward with your plans without understanding this distinction can completely upend your revenue projections.

• Minpaku Act: Operating days are capped at 180 per year. If you build a financial plan assuming 365 days of revenue without knowing this limit, your business will inevitably fail.
• Hotel Business Act: There’s no cap on operating days, but the requirements you must clear—such as mandatory front-desk staffing (though alternative measures exist) and structural building standards—are significantly stricter. Countermeasure: Decide which law will govern your operation based on your business goals (side business vs. full-time venture), and understand its requirements precisely.

Point 3: [Fire Safety Law] Fire Safety Equipment Requirements Often Cost More Than Expected

Since vacation rentals serve an unspecified number of guests, they’re subject to strict safety standards under the Fire Service Act. Depending on the building’s size and structure, you may be required to install automatic fire alarm systems, emergency exit lights, and use fire-resistant materials. This equipment can be expensive—installing an automatic fire alarm system alone can easily run several hundred thousand to over a million yen.

Countermeasure: Always consult with your local fire department in advance to determine exactly what level of equipment is required, and factor those costs accurately into your initial investment budget.

Point 4: [Property] Is the Building’s Age and Earthquake Resistance Sound?

Old vacant houses—often inherited properties—may look fine on the surface but have deteriorating plumbing, electrical wiring, or gas lines. If the building doesn’t meet current earthquake-resistance standards, major reinforcement work may be needed. These issues not only directly affect guest safety but can also lead to enormous, unexpected costs if discovered after the fact.

Countermeasure: Before signing any contracts or starting renovation work, have a professional building inspection conducted to get an accurate picture of the property’s condition.

Point 5: [Neighbor Relations] Have You Properly Greeted and Explained Your Plans to the Neighbors?

Disputes with neighbors are by far the most common—and most difficult to resolve—issue in vacation rental management. The main causes include anxiety over unfamiliar foreign guests coming and going, nighttime noise, and improper garbage disposal. Once complaints start coming in after you’ve already opened, it’s too late.

Countermeasure: At the business planning stage, be sure to politely explain your plans to launch a vacation rental to your immediate neighbors and the household across the street, and to the neighborhood association if possible, seeking their understanding. Sharing your contact information and maintaining a sincere attitude will help build trust.

Point 6: [Costs] Are You Underestimating “Operating Expenses” Beyond the Initial Investment?

It’s easy to focus solely on upfront costs like renovation expenses, but running a vacation rental comes with ongoing costs after you launch. Cleaning outsourcing fees, linen laundering and replacement costs, OTA commission fees (roughly 15% of sales), utilities, communication fees, and restocking consumables—your true profit is what remains after subtracting all of these expenses from your revenue.

Countermeasure: At the business planning stage, realistically simulate your monthly running costs and accurately determine your break-even point.

Point 7: [Operations] Can You Establish a Reliable Cleaning and Linen-Change System?

Cleanliness is one of the top priorities for guests. Poor cleaning quality leads directly to negative reviews, which can severely damage your property’s reputation. Cleaning every unit perfectly yourself every time is an enormous amount of work, and securing a reliable cleaning company or staff on a consistent basis isn’t easy either.

Countermeasure: Before opening, compare multiple cleaning companies based on quality, cost, and responsiveness, and secure the right partner in advance.

Point 8: [Guest Acquisition] Do You Assume Bookings Will Come Automatically Just by Listing on OTAs?

Competition in the vacation rental market has intensified, and simply listing your property on an OTA (online travel agency booking platform) will cause it to get lost among countless competitors. Professional-quality photos that showcase your property’s appeal, compelling descriptions that resonate with your target guests, pricing based on analysis of competitors and seasonal demand, and the steady effort required to accumulate positive reviews are all essential.

Countermeasure: Think of “operations” as synonymous with “marketing,” and be prepared to invest real time and money into photography, copywriting, and pricing strategy.

Point 9: [Taxes] Do You Have Sufficient Knowledge of Tax Filing and Tax Obligations?

Income earned from vacation rentals must be declared as business income or real estate income on your tax return. You’re required to record and manage daily revenue and expenses and maintain proper books. Without an understanding of which costs qualify as deductible expenses, or the differences between blue-form and white-form tax filings, you risk penalties such as back taxes for underreporting.

Countermeasure: Consult with a tax accountant early on, or adopt accounting software, to establish a system for proper financial management.

Point 10: [Insurance] Are You Covered by Insurance in Case of an Accident?

Preparing for worst-case scenarios—such as a guest falling and getting seriously injured on the property, a child breaking furnishings, or a fire breaking out—is an operator’s responsibility. Standard residential fire insurance typically does not cover accidents that occur during commercial activities like vacation rental operation.

Countermeasure: Be sure to enroll in “vacation-rental-specific insurance” or “facility liability insurance” designed to cover accidents that occur during vacation rental operations.

Understanding the Risks Is the Surest Path to Success

Having read through these 10 essential points, we hope you now understand that converting a vacant house into a vacation rental isn’t just a simple asset-utilization technique—it’s a genuine “business” that demands careful risk management. That said, every one of these risks can be addressed with a solid countermeasure, as long as you know about them in advance.

Stay Buddy Handles All of These “Points of Caution” for You

“Researching laws and ordinances, coordinating with the fire department, explaining things to the neighbors… just thinking about it is overwhelming.”

“I don’t have the confidence to handle all of these risks on my own.”

If you feel this way, that’s completely understandable. Each of these 10 points requires specialized knowledge and involves numerous procedures—and a single oversight could derail your entire business.

We at Stay Buddy, Inc., a vacation rental management specialist, are professionals who clarify and resolve every one of these 10 points from the earliest business-planning stage, protecting owners from risk every step of the way.

Working with specialists in each relevant field, we thoroughly identify the legal, structural, and operational risks lurking in your vacant property and propose the optimal solutions. Owners can focus purely on the dreams and hopes behind their business, while leaving the complex, tedious work of risk management to us, the experts.

Let us be your partner in ensuring your vacant house project doesn’t fail. We look forward to hearing from you.