Definition
In South Korea, the Comprehensive Real Estate Holding Tax (popularly known as Jongbuse) is a national tax levied on individuals whose combined government-assessed real estate holdings nationwide exceed statutory thresholds. Established by law, its purpose is to improve tax fairness among high-value property owners, stabilize housing prices, and promote the balanced financial development of local governments.
I Already Paid Local Property Tax. Why Another Bill?
Anyone who owns a home or land in South Korea pays a local property tax each year in July and September to their municipal district or city hall (homes are typically billed in two split installments, and land in September). This is a foundational local holding tax paid to the municipality where the real estate sits. However, owners of high-value residences or multiple properties receive another tax bill from the National Tax Service in early winter.
This second bill is the Comprehensive Real Estate Holding Tax (Jongbuse). While standard local property tax is paid per property by all owners, Jongbuse is a progressive national tax levied only on high-net-worth owners whose total holdings surpass specific thresholds.
To calculate it, the government bundles all individually owned properties nationwide into separate baskets: homes are grouped with homes, and land by category. If you own one home in Seoul and another in Busan, their values are pooled together. Only if that nationwide total exceeds the statutory deduction limit do you owe this tax.
Assessed Values and the Rules for Multi-Homeowners
Jongbuse is not calculated using actual market sale prices. Instead, it relies on the government-assessed value published each year. Because this is an administrative baseline set for taxation, it is usually lower than prevailing open-market prices.
The threshold for residential property depends heavily on how many homes your household owns. A single-household owner of only one primary residence is taxed only on the portion of their combined assessed value exceeding 1.2 billion KRW (roughly $900,000). In contrast, owners of multiple homes face a stricter threshold: any combined assessed value above 900 million KRW (around $675,000) becomes taxable. These limits apply to individual taxpayers; corporate owners face separate rules, such as flat tax rates with no basic deduction. Separate thresholds apply to land: 500 million KRW for aggregate residential/commercial land and 8 billion KRW for business land.
Furthermore, crossing the threshold does not mean the entire excess amount is taxed directly. The government applies a fair market value ratio (currently 60% for residential homes) to set the taxable base, adjusting it according to economic conditions. For land, this ratio is currently 100%, meaning the entire excess amount forms the tax base. Finally, steeply progressive tax rates that rise with total asset value are applied to calculate the final tax due.
How Double Taxation and Relief Measures Work
Jongbuse is structured to prevent double taxation with the local property tax you already paid in summer. Once the Jongbuse amount is calculated on the portion exceeding the threshold, the equivalent property tax already assessed on that overlapping bracket is deducted using a statutory formula. This ensures that the exact same property value is not taxed twice.
In addition, substantial relief measures protect long-term resident homeowners. Single-home households receive deductions for holding their property over time: 20 percent for 5 or more years, 40 percent for 10 or more years, and 50 percent for 15 or more years. Senior discounts are also available: 20 percent for ages 60 and older, 30 percent for ages 65 and older, and 40 percent for ages 70 and older. These two deductions can be stacked up to a combined maximum cap of 80 percent. This safeguard prevents fixed-income retirees from facing crushing tax burdens simply for living in their longtime home.
Ultimately, Jongbuse is not a blanket tax on every homeowner, but a targeted levy on property wealth beyond statutory limits. Its broader economic effects and optimal rate structures continue to be debated.
Common misconceptions
Every homeowner in South Korea must pay the Comprehensive Real Estate Holding Tax.
Homes are pooled nationwide and taxed only if their combined assessed value exceeds statutory deductions (1.2 billion KRW for single-home households, 900 million KRW for multi-homeowners). Land is grouped separately with its own thresholds (500 million KRW or 8 billion KRW depending on classification). Only a small fraction of high-value property owners actually pay it.
Paying local property tax in summer and Jongbuse in winter means you are taxed twice on the same home.
While owners receive both bills, the local property tax already paid on the portion above the threshold is subtracted when calculating Jongbuse, preventing duplicate taxation on the exact same bracket.
Where you meet it
A single-home household owning an apartment with an assessed value of 1.5 billion KRW subtracts the 1.2 billion KRW deduction to get 300 million KRW. Multiplying by the 60% fair market value ratio leaves a tax base of 180 million KRW (~$135,000) subject to progressive rates.
A multi-homeowner with two apartments assessed at 600 million KRW each (totaling 1.2 billion KRW) subtracts the 900 million KRW deduction, leaving 300 million KRW. Applying the 60% ratio yields a taxable base of 180 million KRW.
In one sentence
In South Korea, the Comprehensive Real Estate Holding Tax is a progressive national tax levied on individuals whose nationwide assessed property values exceed legal thresholds, calculated separately for homes and land.