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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.
About our editorial process:About the companyEditorial policyAuthors

This section is updated on an ongoing basis as new public information and market developments emerge.

Private Gardens in Japanese Rental Apartments: What International Investors and Tenants Should Know About Senyō-niwa

Senyō-niwa are Japan's exclusive-use rental gardens — a distinctive housing feature with no direct Western equivalent. Here are the benefits, drawbacks, common neighbor disputes, and what to check before choosing one.

Tax-Saving Strategy in Japanese Condominium Investment | How Depreciation and Loss Aggregation Work, and the Income Threshold It Suits

An explanation of how tax-saving works in Japanese condominium investment: loss aggregation (son'eki-tsusan) through depreciation, the 650,000-yen blue-return deduction, why annual income above 9,000,000 yen is advantageous, and the risks that make tax-motivated investment fail.

Turning a Japanese Two-Generation Home Into an Owner-Occupier Rental: Mortgage Terms, Tax Savings, and Rental Income Explained

How converting a Japanese nisetai jūtaku into a chintai heiyō jūtaku unlocks preferential mortgage rates, fixed-asset and inheritance tax relief, and steady rental income — explained for international property investors.

How to Turn Idle Land into Income in Japan: Parking, Self-Storage, Detached Rentals, and Coin Laundry Compared

A comparison of Japan-specific ways to use vacant land — parking, self-storage, elderly-care facilities, detached-house rentals, and coin laundry — with initial costs, revenue, and the property-tax impact explained for overseas investors.

Japan's Residential Property Price Index: How to Time a Condo Sale

Japan's Residential Property Price Index (不動産価格指数) is an official price-trend indicator published monthly by MLIT. This guide explains how to read the condominium (owner-occupied) series, the hedonic method behind it, how to combine it with the official land-price survey, actual transaction prices, and REINS, and the five steps and four cautions for timing a condo sale — with comparisons to the US Case-Shiller/FHFA and UK ONS indices for overseas investors.

Japan's Genjō-Kaifuku Restoration Costs: A Foreign Owner's Guide to Cutting Management-Company Markups

What genjō-kaifuku (原状回復) restoration really costs across Tokyo, Osaka, and beyond, why your property manager's prime-contractor system can inflate the bill by 1.5–2x or more, and how competitive bidding and direct ordering protect your rental returns.

Will You Ever Get Your Land Back? A Foreign Investor's Guide to Japan's Land Lease Rights (Shakuchiken)

Is it true that leasing out land in Japan means you can never get it back? This guide compares futsū shakuchi (ordinary land leases) and teiki shakuchi (fixed-term land leases), weighs the pros and cons against Western ground-lease norms, and shows international investors how to avoid disputes.

INA NETWORKMarket Insights

What Is Strategic Tenant Recruitment? A Property Manager's Guide to Leasing Methods, Cost Structures, and Vacancy Prevention in Japan

A professional's guide to tenant recruitment in Japan: the difference between general (ippan boshu) and exclusive (sennin boshu) listings, the leasing cost structure, self-sourcing methods, and how to choose a leasing agent, plus practical vacancy-prevention tactics.

What Is “Kyakuzuke” in Japanese Rental Real Estate? A Professional's Guide to Tenant Acquisition

A professional's guide to kyakuzuke — Japan's distinct tenant-acquisition practice for rental property. Covers the self-managed process, brokerage outsourcing, and how to compare listing agreement types, with the vacancy-fighting strategy overseas owners need.

The Role of a Property Management Company and When to Change One | How Management Outsourcing Works and When Owners Should Review It

This article organizes the roles and flow of money among management companies, property owners, and brokerage firms, and explains from an owner’s perspective when a management company should be changed and what risks to consider. It also introduces how to assess management quality.

What Is Japanese Exterior Wall Sealing (Shīringu)? Types, Deterioration Signs, and Repair Costs Explained

A guide to Japan’s exterior wall sealing (shīringu, also called kōkingu/caulking): material types, deterioration warning signs, and the real cost of full replacement versus overlay repair in USD, plus how to choose a trustworthy contractor. For building waterproofing in Japan, consult INA&Associates.

What Is a Parking Sharing Service? How Rental Properties Without Parking Can Use It, Plus Pros and Cons | INA&Associates

This article explains parking sharing services as a practical option for rental properties without parking, covering benefits, drawbacks, and service comparisons. Consult INA&Associates for tailored advice.

Real Estate Sale: Brokerage vs. Buyout | The Optimal Exit Strategy for Investors on Price Gaps, Liquidity Risk, and Timing

A thorough investor-focused comparison of real estate brokerage and buyout. From sale price, speed, and non-conformity liability to brokerage with a buyout guarantee, an expert explains the optimal exit strategy.

Guide to Using Subsidies for Apartment Renovations: Costs, Programs, and Practical Ways to Save

A comprehensive guide to subsidy programs available for apartment renovations. It also covers typical costs, the advantages and disadvantages of renovating, and practical ways to keep expenses under control. A useful reference for rental property management.

INA NETWORKMarket Insights

Rental Property Management Company Operations and Selection Criteria: Five Professional Benchmarks for Choosing the Right Partner

A structured guide to rental property management companies, covering hard and soft management functions, five professional selection criteria, outsourcing models, and the difference from brokerage firms.

How to Start a Real Estate Business: Required Qualifications, Capital, and Key Success Factors

A thorough guide to starting a business in real estate. It covers the required qualifications, the steps to launch, the advantages and disadvantages of rental and brokerage businesses, and the traits of people who succeed, providing the essential knowledge needed for independent business ownership.

Japan Parking Lot Yields: Are They Really That High?

Are Japanese parking lot investment yields really as high as advertised? Monthly parking has a national median of ¥10,000 (approx. USD 67) and reaches ¥27,549 (approx. USD 184) in central Tokyo — figures drawn from a government price survey, since Japan has no MLS-style database of realized rents. Once land value enters the yield calculation, the real return falls to about 5.6%, and property tax rises ¥250,000–¥410,000 (approx. USD 1,667–2,733) a year because parking lots don't qualify for Japan's residential-land tax discount.

INA NETWORKMarkets

40% of Income Goes to Rent: Why an "Ordinary Life" in Tokyo Is Becoming Fragile [2026 Edition]

An era has arrived in which 40% of income goes to rent just to live "normally" in Tokyo. This article explains why a monthly rent of 170,000 yen has become standard even for households earning 8 million yen a year, along with the structural drivers behind the shortage of new supply and rising rents.

INA NETWORKMarket Insights

Surging Major Repair Costs: The Reality of an Era When Rural Condominiums Can No Longer Be Repaired

As major repair costs continue to rise, the reality is spreading that older condominiums in rural areas are falling into a state where repairs are no longer feasible. This article explains the reality of a 30% increase in construction costs and the choices individual owners now face.

How Long Is an Apartment Building's Useful Life? Legal, Physical, and Economic Lifespans and Keys to Long-Term Operation

This guide explains an apartment building's useful life from three perspectives: legal, physical, and economic. It also covers the options available after the building reaches the end of its life, how to calculate depreciation, and practical tips for long-term operation | INA&Associates