In-Depth Analysis of the Comprehensive Real Estate Tax Reform: Stricter Holding Taxes on Ultra-High-Priced Homes and Market Impact
The August 2026 tax reform raises the deduction for resident 1-home owners to 1.4B KRW while significantly tightening holding taxes on ultra-high-priced homes through value-based taxation. As penalty provisions for non-residents undergo review, market wait-and-see attitudes and portfolio rebalancing among the wealthy are intensifying.
Core Elements of the Comprehensive Real Estate Tax Reform
The comprehensive real estate tax reform announced in August 2026 aims to establish a tax system centered on "actual residence." The most significant change is the unification of the tax base from the number of homes to the total value of homes. As a result, while the tax structure for multiple-home owners is being reorganized, the holding tax for ultra-high-priced single-home owners has been substantially tightened.
According to the reform plan, the basic deduction amount for resident single-home owners has been increased from 1.2 billion KRW to 1.4 billion KRW. This means that homes valued up to approximately 2 billion KRW at market price can benefit from comprehensive real estate tax exemption. Conversely, the basic deduction for non-resident single-home owners who do not meet the actual residence requirement has been reduced to 900 million KRW, placing it at the center of controversy over tax equity.
Upward Adjustment of Fair Market Value Ratio and Marginal Tax Rates
The fair market value ratio, a key indicator in calculating the tax base, has been raised from 60% to 70%. Furthermore, starting in 2028, a maximum tax rate of 5.0% will be applied based on the value of homes, regardless of the number of homes owned. This, coupled with the shift of tax credit benefits from a "holding period" basis to a "residence period" basis, is expected to exert meaningful pressure on the cash flow of long-term owners of high-priced homes who are not actual residents.
Market Impact and Potential Listing Increases
This tax reform is analyzed to have a complex impact on the market trend of preferring "one premium home." The increase in the basic deduction to 1.4 billion KRW could serve as a supporting factor for the demand for medium-to-high-priced apartments in core areas of Seoul. However, for ultra-high-priced homes exceeding a certain threshold, the burden of holding taxes will increase exponentially due to the higher tax rates and the increased fair market value ratio.
Controversy Over Stricter Taxation on Non-Resident Owners and Policy Uncertainty
A particularly contentious issue is the penalizing taxation on non-resident single-home owners. Following strong backlash from owners unable to reside in their properties due to unavoidable reasons such as education or job relocation, the government and ruling party recently began a comprehensive review of this provision. Proposals to maintain the basic deduction at the current 1.2 billion KRW or unify it with resident owners are under discussion, and such policy uncertainty is a factor that will deepen the wait-and-see approach in ultra-high-priced home transactions for the time being.
Asset Portfolio Rebalancing and Tax Strategies
Movements among high-net-worth individuals to rebalance their portfolios are becoming visible in response to the increased holding tax burden. Distributing ownership through gifting or burdened gifting before the tax assessment date of June 1st, or transferring liquidity to assets excluded from comprehensive real estate tax aggregation, such as commercial real estate, are considered primary strategies.
- Meeting Actual Residence Requirements: Securing a residence period is essential to maximize the tax credit rate.
- Asset Distribution: The practical benefit of equity distribution, such as joint ownership with a spouse, has grown to avoid progressive tax rates applied to holding a single ultra-high-priced home.
- Monitoring Legislative Trends: Rather than making hasty sales, it is recommended to monitor policy developments until the amendment for the non-resident deduction standard passes the National Assembly.
It is time for market participants to establish mid-to-long-term asset allocation strategies based on after-tax returns while closely watching the final legislative outcome of the reform bill, rather than engaging in short-term selling responses.