It will be interesting to see if landlords do drop rents when these property taxes are frozen or just pocket the extra income:
The government is expected to freeze property tax for the entire homeowners including owners of one expensive home with an officially appraised value of over 1.1 billion won ($905,000) subject to the Comprehensive Real Estate Tax, according to government ministries, Sunday. The hefty Comprehensive Real Estate Tax is imposed for retaining expensive homes.
Korea Times
The measure is part of the real estate market policy revisions pledged by President-elect Yoon Suk-yeol, whose win by a razor-thin margin was underpinned in considerable part by public fury over the housing prices doubling under the Moon Jae-in administration due to two dozen botched government policies.
Higher housing prices led to a tax spike for homeowners, almost all of whom passed the unexpected burden to tenants in the form of higher rent, threatening their stable living arrangements.
You can read more at the link, but it will also be interesting to see what losing all this property tax revenue will do to the national budget.