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Real Estate Intelligence

TK vs NK: Comparing Japan’s Two Small-Lot Real Estate Partnership Structures Under the Specified Joint Enterprise Act

A comparison of Japan’s two main small-lot property vehicles — the silent partnership (TK) and the voluntary partnership (NK) — covering how each works, their advantages and drawbacks, and how to choose between them from the standpoint of the Real Estate Specified Joint Enterprise Act, tax planning, and risk management.

A Guide to Consultation Services for Preventing Real Estate Inheritance Disputes: When to Use a Judicial Scrivener, Tax Accountant, or Lawyer

Real estate inheritance disputes can arise even in ordinary families. This guide explains the roles of judicial scriveners, tax accountants, and lawyers, along with when to consult each professional, typical fees, and the key points of mandatory inheritance registration.

Is flooring exempt from depreciation in Japan? Useful life, the tenant-liability rules, and replacement timing explained

In Japan, MLIT restoration guidelines apply no aging discount to partial flooring repairs. A guide for overseas investors to tenant vs. landlord repair liability, how full replacement differs, and the useful life of composite vs. solid-wood floors.

What Is the Right to Claim a Security Deposit Refund? Legal Protection and Claim Procedures

This article explains the legal basis of the right to claim a security deposit refund, the statute of limitations, and cases where a full refund is possible. It also details a step-by-step process from verbal requests to certified mail and small claims court from a real-estate legal perspective.

What Is Property Tax? A Clear Guide to Calculation, Payment Timing, and Tax-Saving Tips

This guide clearly explains how property tax works, how it is calculated using assessed value multiplied by 1.4%, when it is paid, and practical ways to reduce the burden. It also covers differences between condominiums and detached houses and how to check for assessment errors.

Why Is Property Tax So High for Parking Lot Management? A Complete Guide to Calculation Methods and Tax-Saving Measures | INA&Associates

This article explains how property tax is calculated for parking lot management, why it tends to be higher than for residential land, and how tax-saving measures relate to city planning tax. Consult INA&Associates for support.

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.

What Is Restoration to Original Condition? Residential vs. Commercial Rules and How to Avoid Disputes

This guide explains the meaning of restoration to original condition for residential and commercial properties. It covers cost-sharing rules, checkpoints to avoid disputes, and precautions during occupancy to help reduce concerns at move-out.

INA NETWORKMarket Insights

Reading Japan's RC Apartment Construction Cost Index: April 2026 Data and the Logic Behind Land-Use Decisions

Japan's construction cost index for RC (reinforced-concrete) apartment buildings kept climbing in April 2026. Using Tokyo's RC apartment construction-cost index of 143.8, we explain the financial checks every owner should run before committing to a land-use or rental project.

How Much Does It Cost to Build a House in Japan? A Cost Breakdown, Custom-Home Pitfalls, and Financing Tips for Overseas Buyers

Building a home in Japan breaks down into land, construction, and incidental costs — with a hidden pitfall in custom-built projects. Here's what overseas buyers and investors should know, from the cost structure to income-based financing.

What Is the Basic Deduction Real Estate Investors Should Know? A Complete Guide to Tax Returns and Tax Saving

This guide explains the relationship between real estate investment and the basic deduction. It systematically covers the deduction amount after the 2020 revision, how it combines with the blue return special deduction, and key tax-saving considerations for investors.

What Is a Real Estate Investment Loan? A Thorough Explanation of the Differences Between Apartment Loans and Proper Loans, and Their Advantages and Disadvantages

This article explains the types of real estate investment loans, how they differ from home loans, compares apartment loans and proper loans, and outlines key points in the lending review process. INA&Associates supports investors in building their assets.

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.

COLUMNFinance

What Are Electronic Contracts in Real Estate Purchases? Key Points for Web Explanations and Power of Attorney Handling

Electronic contracts for real estate purchases were enabled by the 2022 legal reform. INA’s representative explains, from a practical perspective, how to handle web-based important matter explanations, the timing of electronic signatures, powers of attorney for pair loans, and scheduling gaps in loan agreements.

Finance Channel Highlights

Finance Channel Highlights

We bring you a roundup of negotiation strategies with financial institutions and the latest lending terms information shared in the INA Network Finance Channel.

How Japan's FY2026 Tax Reform Affects Real Estate Investment [2026 Edition]

How Japan's FY2026 Tax Reform Affects Real Estate Investment [2026 Edition]

Japan's FY2026 tax reform resets the ground rules for inheritance planning, income filing, and home acquisition in real estate. The central issue is the revised inheritance tax valuation of leased real estate (the "five-year rule"), effective January 2027. For overseas investors, we explain Japan-specific mechanisms with no US or UK equivalent -- the valuation gap under the Property Valuation Basic Directive, the "blue return" filing system, and low-value asset expensing -- drawing on primary sources from Japan's Ministry of Finance (MOF) and MLIT.

What is Gentrification? The Dark Side of Rights Conversion and Landowner Risks in Japan

Gentrification—the displacement of residents through urban redevelopment—is advancing in Japan. Learn about cases in Kyoto, Osaka, and Shimokitazawa, and the rights conversion manipulation revealed in Nihonbashi redevelopment. What are the rights conversion risks that ultra-high-net-worth investors need to know?