Housing Loan Tax Credit Calculator

Housing Loan Tax Credit System

Japan's Housing Loan Tax Credit (Jutaku Kariirekin-tou Tokubetsu Koujo) provides income tax and resident tax deductions based on the year-end mortgage balance when purchasing or renovating a home with a housing loan.

Post-2024 System Details

Under the post-2024 system, the deduction rate is a flat 0.7% with new housing eligible for up to 13 years and used housing for 10 years. The maximum eligible loan amount varies by energy performance: certified housing (long-term quality / low-carbon) at 45 million yen, ZEH-level energy-efficient at 35 million yen, and energy-standard compliant at 30 million yen. New housing without these certifications is generally ineligible from 2024 onward.

Used Housing Limits

Used certified housing has a limit of 30 million yen, while other used housing is capped at 20 million yen.

How Deductions Work

Any amount exceeding your income tax can be deducted from resident tax up to 97,500 yen. Simply enter your loan amount, income, interest rate, and loan term to calculate yearly deductions and total benefits.