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What is the Fixed Asset Tax Assessed Value? A Comprehensive Guide to the Formula, How to Look It Up, and How to Use It for Estimating Sale Prices

We explain the property tax assessment calculation formula (assessed value × 1.4%), three ways to look it up, the differences between single-family homes and condominiums, and how to back-calculate the selling price estimate — all for real estate investors and property owners.

About 2 min read

Property taxes are levied annually on real estate owners. The basis for calculating the tax amount is the assessed value for property tax purposes. This is a concept distinct from the purchase or sale price, and understanding it accurately enables you to grasp your tax burden and formulate a selling strategy.

What Is the Assessed Value for Property Tax Purposes?

The assessed value for property tax purposes is the base value used to calculate the property tax amount.

Property Tax Amount = Assessed Value (Taxable Standard Amount) × Standard Tax Rate (1.4%)

The standard tax rate is 1.4%, but this may vary by municipality. Please check the tax rate of each municipality for accurate calculations.

How the Assessed Value Is Determined

  • Land: Approximately 70% of the published price as of January 1 each year is the guideline
  • Buildings: Calculated based on reconstruction cost adjusted for depreciation. Newly built properties are approximately 50–60% of construction costs; older properties reflect depreciation at approximately 50–70%

Assessed values are determined by inspectors from each municipality based on fixed asset valuation standards.

3 Ways to Look Up the Assessed Value for Property Tax Purposes

① Check the Property Tax Assessment Statement

The assessed value is listed in the "Value" column of the assessment statement enclosed with the property tax payment notice sent each spring.

② Obtain a Fixed Asset Valuation Certificate

This can be obtained by bringing an application form, identity verification documents, and the applicable fee to your municipal office. Postal applications are also accepted. In the Tokyo 23 wards, certificates are obtained from the Metropolitan Tax Office of each ward.

③ Review the Fixed Asset Tax Ledger

You can view details such as the owner, location, and assessed value of land and buildings subject to property tax at your municipal office.

When Can Assessed Values Differ Even for the Same Area?

Differences Due to Structure and Facilities

The higher the construction cost, the higher the assessed value. Reinforced concrete construction is valued higher than wood-frame, and the quality and number of toilets, kitchens, and bathrooms also affect the assessed value.

Differences Between Houses and Condominiums

Because condominiums have a higher ratio of building to land, property taxes tend to be higher than for houses at the same purchase price. When holding a condominium as a real estate investment, comparing property taxes is an important decision factor.

Back-Calculating the Market Sale Price from the Assessed Value

The assessed value for property tax purposes can also serve as a reference when estimating the market sale price of land.

Estimated Market Price = Assessed Value ÷ 0.7

Example: Assessed value of 10 million yen → Estimated market price approx. 14.29 million yen

This is only a rough estimate, and the actual sale price depends on market conditions and property-specific factors. It is important to compare multiple appraisals.

Frequently Asked Questions (FAQ)

Q. Does the assessed value for property tax change every year?
A. Land assessed values are reviewed every three years during reassessment cycles. Building values generally decrease each year to reflect depreciation.
Q. Are there any property tax reduction measures?
A. There are special provisions for residential land (e.g., the taxable standard for small-scale residential land of 200m² or less is reduced to one-sixth) and special reductions for newly built homes. Conditions differ for rental properties, so verification is necessary.
Q. What should I do if the assessed value is higher than the market price?
A. If you have doubts about the assessment, you can use the review petition system with the Fixed Asset Valuation Review Board. Please be mindful of the petition deadline (within three months of receiving the tax payment notice).
Q. How is the assessed value used in inheritance situations?
A. For inheritance tax calculations, land is calculated based on road-frontage value and buildings are based on the assessed value for property tax purposes. Holding real estate as inherited assets tends to result in a lower assessed value than holding cash, making it useful for inheritance tax planning.
Daisuke Inazawa, President & CEO of INA&Associates Inc.

Author

President & CEOINA&Associates Inc.

Daisuke Inazawa is the President and CEO of INA&Associates Inc., a Japanese real estate firm headquartered in Osaka with a Tokyo branch. He leads the company's three core businesses — real estate sales brokerage, rental leasing, and property management — across the Greater Tokyo Area and the Kansai region.

His areas of expertise include investment strategy for income-generating real estate, profitability optimisation of rental operations, real estate advisory for ultra-high-net-worth individuals (UHNWIs) and institutional investors, and cross-border real estate investment. He provides data-driven, long-horizon advisory to investors in Japan and overseas.

Under the management philosophy "a company's most important asset is its people," he positions INA&Associates as a "people-investment company" and is committed to sustainable corporate-value creation through talent development. He also writes and speaks publicly on leadership and organisational culture in times of change.

He holds eleven Japanese professional qualifications: Licensed Real Estate Broker (Takken), Certified Real Estate Consulting Master, Licensed Condominium Manager, Licensed Building Management Supervisor, Certified Rental Housing Management Professional, Gyōseishoshi Lawyer (administrative scrivener), Certified Personal Information Protection Officer, Class-A Fire Prevention Manager, Certified Auctioned Real Estate Specialist, Certified Condominium Maintenance Engineer, and Licensed Moneylending Operations Supervisor.

  • Licensed Real Estate Broker (Takken)
  • Certified Real Estate Consulting Master
  • Licensed Condominium Manager
  • Licensed Building Management Supervisor
  • Certified Rental Housing Management Professional
  • Gyōseishoshi Lawyer (Administrative Scrivener)
  • Certified Personal Information Protection Officer
  • Class-A Fire Prevention Manager
  • Certified Auctioned Real Estate Specialist
  • Certified Condominium Maintenance Engineer
  • Licensed Moneylending Operations Supervisor