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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.

Tatami Replacement Cost Guide and Cost Control Methods | Understanding New Tatami, Omotegae, and Ura-gaeshi from a Management Cost Perspective

This guide compares the typical costs of three tatami replacement methods: new tatami, omotegae, and ura-gaeshi. It also explains how to choose contractors and use comparative quotations to optimize management costs. Essential reading for rental property owners and property management professionals.

Typical Move-Out Restoration Costs and the Cost Allocation Rules and Practical Response Management Companies Should Understand

This article explains typical move-out restoration costs by area, including flooring, wallpaper, tatami, and water-related areas, along with practical responses for management companies. It also covers the cost allocation rules for tenants and landlords and key points for move-out inspections.

Fixed Asset Tax in Rental Property Management: Relief Measures, Calculation, and Urban Planning Tax

This article explains how fixed asset tax is calculated in rental property management, including residential land relief, tax breaks for new buildings, and the difference from urban planning tax. It is a practical tax guide for investors building sound income plans.

What is asset retirement obligation? Reflecting the restoration and demolition costs of rental real estate to its original condition in accounting.

Asset retirement obligations are a mechanism that reflects in accounting the costs of removal that cannot be avoided under laws and contracts, such as future restoration or demolition. We will explain important points regarding judgment, journal entry, and tax matters regarding rental real estate.

Real Estate Advertising Regulations in Japan: The Basics of the Real Estate Brokerage Act, the Premiums and Representations Act, and Industry Display Rules

Real estate advertising is not just a tool for generating inquiries. It is also part of the information consumers rely on to make decisions. In Japan, if you fail to comply with the Real Estate Brokerage Act (*Takuchi Tatemono Torihiki Gyoh

What Landlords Should Know About the Statute of Limitations on Rent Arrears and Lease Termination

The statute of limitations on rent arrears is five years. This article explains, based on legal principles, how landlords can prevent claims from expiring through collection procedures, certified notices, and court action, as well as the conditions for forced eviction after three or more months of nonpayment.

Why Is Multi-Story Row House Investment Gaining Attention? Benefits, Risks, and Regulations

Multi-story row houses can offer investors favorable characteristics such as lower construction costs, effective use of small sites, and reduced management expenses. This article explains the benefits, risks, and regulatory trends in Tokyo in detail.

Real Estate Agency Closing Days and Business Hours: Why Wednesday, and the Best Days to Visit or View a Property

A guide to why real estate agencies close on Wednesdays, their typical business hours, and the best days and times to visit or view a property. Covers crowd levels by day of the week, using online viewings, and what to prepare before you go.

INA NETWORKMarket Insights

What Is a Failing Condominium? Causes, Investment Risks, and Countermeasures

Explains the definition of a failing condominium, why it occurs, and the investment risks and countermeasures involved. Introduces practical criteria for identifying early warning signs, including dysfunctional owners’ associations, rising vacancy, and aging buildings, to protect asset value.

Is Apartment Management Really Profitable? A Complete Guide to Yields, Risks, and the Keys to Success

Is apartment management truly profitable? This guide covers yield simulations, vacancy and interest-rate risk measures, and tax-saving strategies through incorporation. It also explains the key points professionals recommend for first-time real estate investors.

Lost Your Rental Agreement? Whether Reissuance Is Possible and How to Respond in Property Management Practice

If a rental agreement is lost, reissuance is generally not possible, but obtaining a copy usually is. The lease itself remains valid even if the document is missing. This article also explains best practices in document management that property managers should know.

The Importance and Methods of Apartment Drain Pipe Cleaning | Practical Management Points Every Professional Should Know

An overview of why apartment drain pipe cleaning matters, how often it should be done, and the main methods involved from a property management professional's perspective. Covers the differences between high-pressure cleaning and wire cleaning, legal considerations, and cost-effectiveness. Turn to INA for practical rental management insight.

What Is Tokyo's Rental Housing Dispute Prevention Ordinance? A Guide for Landlords and Tenants

This guide explains Tokyo's Rental Housing Dispute Prevention Ordinance, including its scope, cost-sharing rules, and how to respond when trouble arises. It is essential for owners and property management companies involved in rental operations.

Features and Management Points of Light-Gauge Steel Apartments | Building Knowledge Real Estate Management Staff Should Know

An explanation of the features, advantages, and disadvantages of light-gauge steel apartment buildings. Introduces building knowledge that real estate management staff can explain to residents and key points for choosing a property.

Condo Management Fees Explained: Typical Costs, Reserve Funds and Asset Value Impact

This guide explains average condo management fees, typically around 16,000 yen per month, how they work, the difference from repair reserve funds, the total maintenance cost over 30 years and the risks of delinquency. It also examines what it really means to buy management from an investor’s perspective.

What Are Land Grading and Development Works? Risks and Costs to Check Before Buying Land

In Japan, **seichi** (整地, surface land grading) and **zosei koji** (造成工事, land development or site preparation works) should be understood separately: one makes land look neat and usable at the surface level, while the other changes the lan