In-Depth Analysis of the 2026 Tax Reform Announcement: Pro-Resident Policies and Market Outlook

On August 3, 2026, the government officially announced the '2026 Tax Reform Plan', aimed at stabilizing housing and curbing real estate speculation. The core of this reform is a complete transition of tax benefits from simple 'homeownership' to 'actual residence' and 'total housing value'. The policy clearly reflects a strong commitment to heavily burdening multi-home owners and non-resident gap investors with taxes while robustly protecting actual 1-house residents.

Holding and Capital Gains Taxes: Maximizing Benefits for Residents

The most notable changes are the sweeping revisions to the Comprehensive Real Estate Holding Tax and the Capital Gains Tax bases. According to the relevant ministry's detailed guidelines, the tax base will be entirely reorganized around actual residency.

Differentiated Holding Tax Deductions for Single-Home Owners

Even for single-home owners, tax benefits will now diverge based on actual residency. The basic deduction for actual residents has been raised from 1.2 billion won to 1.4 billion won. Conversely, the deduction for non-resident single-home owners has been lowered to 900 million won, effectively targeting asset accumulation through 'gap investments'.

Stricter Capital Gains Tax Special Deduction Requirements

Moving away from the current system of combining 'holding period' and 'residence period', the long-term holding special deduction will fully transition to a strict 'residence period' criteria (8% per year, up to 80%). Ahead of its full implementation in 2029, a new deduction limit for high-value homes (2 billion won in 2028, 1 billion won in 2029) has been established, strictly taxing the sales margins of unoccupied real estate.

Stricter Taxation on Non-Business Assets and Market Normalization

Punitive tax measures aimed at suppressing speculative capital concentrated in non-productive assets have also been materialized. Starting in 2028, the sale of non-business land will be completely excluded from the long-term holding special deduction for capital gains tax, and a strong penalty tax rate adding 20 percentage points to the base rate will be applied. Furthermore, the fair market value ratio used to calculate the holding tax is scheduled to be gradually increased from the current 60% to a maximum of 80% by 2028. This is expected to induce the sale of surplus real estate by multi-home owners and corporations by aggravating the holding tax burden.

Real Estate Market Outlook and Implications for Investors

Triggered by this tax reform announcement, the domestic real estate market is expected to be strictly reorganized around 'actual resident 1-house' ownership. To avoid tax bombs, tax-saving sales by multi-home owners and non-resident single-home owners are highly likely to hit the market within the transition period leading up to 2027. Intertwined with financial measures such as the expansion of mandatory funding plan submissions and tighter mortgage regulations, market participants must refrain from seeking short-term margins and adopt a conservative approach that enhances portfolio health.