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Real Estate Intelligence

Management covers what happens after you own a property. Across property management, rental management, running a real estate business and renovation, it explains how to improve occupancy, tenant satisfaction, repair planning and profitability. It gives owners and management companies practical know-how for on-the-ground issues such as reducing vacancy, handling move-out restoration and long-term repairs. It reflects lessons from managing 400-plus units in our own operations.

Key topics

  • Property Management — Property management across the building, tenants and income.
  • Rental Management — The practice of rental management: vacancy, tenant handling and restoration.
  • Renovation — How renovation and repair raise asset value and income.

Common questions

What actually reduces vacancy?
Setting the right rent, improving the impression at viewings, and responding to tenants quickly are the basics. Our rental-management articles cover concrete ways to lift occupancy.
How much move-out restoration cost can be charged to a tenant?
Following the MLIT guidelines, you separate ordinary wear from damage caused by intent or negligence. Our management articles set out the practice that avoids disputes.
How should I plan long-term repairs?
Reserve funds and schedule work according to the building's age and equipment replacement cycles. Our repair and renovation articles explain how to prioritize.
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This section is updated on an ongoing basis as new public information and market developments emerge.

Can You Use an Apartment as an Office? Key Points and Risks to Check Before Moving In

Can an apartment be used as an office? This article explains the difference between office-permitted properties and residential-only units, the risks of corporate registration, and the features of SOHO properties. It also covers the key points that should be checked before signing a lease.

City Gas vs. Propane in Japanese Rentals: Why the Fuel Type Quietly Changes Your Costs

In Japan a rental can run on piped city gas or a bottled propane tank, and which one it is directly changes the monthly bill. We compare the two on price, calorific value, disaster recovery and how to tell them apart, using primary Japanese data, with a household-by-household cost guide (JPY with USD equivalents) and a scenario-based way to choose before you view.

Lower Vacancy Risk With Renovated Rentals: Key Benefits, Drawbacks, and Selection Points for Owners

Renovated rentals can help reduce vacancy risk and improve earnings. This article explains, from an owner’s perspective, the main benefits and drawbacks, along with key checkpoints for seismic strength, sound insulation, and plumbing.

When Should a Rental Apartment Be Rebuilt? The Right Timing Based on Vacancy, Repairs, and Tax Costs

Rebuilding a rental apartment is often considered after 20 to 30 years. This article outlines key indicators such as vacancy rates above 50 percent, major repair costs, and rising tax burdens, while also explaining income planning and tenant relocation negotiations for owners and investors.

INA NETWORKAI

IoT Rental Housing for Lower Vacancy and Stable Income: Benefits, Drawbacks, and Costs Explained

Introducing IoT rental housing can help reduce vacancies, prevent rent cuts, and improve management efficiency. This guide explains the effects and cautions of smart locks and security cameras, which can be introduced from an initial cost of about 50,000 to 80,000 yen.

Understanding Gas Alarms in Rental Properties Correctly | Types, Installation, and Replacement Rules Property Managers Should Know

This article explains the types, installation locations, and replacement timing of gas alarms in rental properties. It systematically summarizes the knowledge property managers need to prevent the risks of carbon monoxide poisoning and gas leaks.

Decision Criteria for Retrofitting Auto-Lock Entry in Japanese Rentals: Smart Locks, ROI, and Property Management

Deciding whether to retrofit auto-lock entry in a rental property is an investment that can easily fail if it is judged only by whether it “improves security.” In practice, owners need to consider the building’s age, number of units, tenant

Large-Scale Repair Costs and Depreciation for Rental Apartments: Typical Budgets, Timing, and Calculation Methods

This article explains the typical cost ranges, repair timing, and depreciation methods for large-scale apartment repairs. It also covers the difference between capital expenditures and repair expenses, along with the related tax-saving benefits.

INA NETWORKMarket Insights

Valid Reasons for Raising Rent and Key Negotiation Points: Risks and Countermeasures Explained

This article explains the valid grounds for raising rent under lease law, the right timing for negotiations, the main risks such as vacancy and litigation, and the points that improve the chances of a successful outcome. Practical knowledge for rental property owners.

Is it possible to install a toilet seat with warm-water washing function in a rental apartment? Thorough explanation of types, selection, and installation procedures

Hot-water washing toilet seats can be installed in rental properties. The difference between types (hot water storage type and instantaneous type), how to choose, DIY installation procedures, and cautions are explained. We also introduce tips on how to keep costs down.

What Is a Free-Internet Rental Property? A Connectivity Setup Guide to Improve Occupancy

Explains why free-internet rental properties are chosen in rental management and how to introduce the service. Covers connection types, installation costs, recommended providers, and key precautions for landlords. It is also effective as a vacancy countermeasure.

What Is a Rent Guarantee Company? Roles, Screening Process, Reasons for Rejection, and What to Do

A clear guide to the role of rent guarantee companies, their three main types, and how the screening process works. It also explains common reasons applications are rejected, practical next steps, and recommended guarantee companies before you sign a lease.

Trouble Cases with Rental Management Companies and How to Choose a Reliable One

This article explains the role and scope of work of rental management companies, common trouble cases, and how to choose a trustworthy partner. It also outlines the differences between brokerage agreements and agency agreements. Please contact INA&Associates for advice.

What Problems Commonly Arise During Move-Out Inspections? Restoration Guidelines and Prevention Measures Explained

This article explains common disputes that arise during move-out inspections for landlords, along with ways to avoid them. It also covers the basics of restoration guidelines and the standards for deciding what can and cannot be charged.

How Much Tax Applies to Rental Income? A Guide to Calculating Income Tax, Resident Tax, and Filing Your Return

This guide explains how to calculate the income tax and resident tax on rental income, which expenses can be recorded, and how to file your tax return. It covers practical information to help real estate owners manage their tax obligations effectively.