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Regulation Guide · 2026. 06

Multi-Family vs Multi-Household
vs Urban-Living Housing

LEA Architects · Junsu Kim, Architect

Same Exterior, Different Law

The four-to-five-story villas seen around a neighborhood are indistinguishable by appearance alone. But open the registry and they are entirely different buildings. Some are owned in whole by one person; others have a different owner for each unit. This difference is precisely the boundary between multi-family (Dagagu) and multi-household (Dasedae) housing, and it governs everything from construction standards to taxes, loans, and exit strategy.

Pilotis excludes parking floor Multi-Family Detached (Building Act) Sectional ownership per unit Multi-Household Multi-unit housing Small units · under 300 Urban-Living Multi-unit housing Classification Detached Multi-unit Multi-unit Residential floors ≤ 3 floors Pilotis excluded ≤ 4 floors Pilotis excluded Varies by type Total floor area ≤ 660㎡ ≤ 660㎡ Nat'l housing size/unit Households ≤ 19 No limit (within scale) Under 300 Sectional sale No (single owner) Yes Yes Basis: Building Act Enforcement Decree Table 1 · Housing Act (criteria subject to amendment)
Comparison: Multi-Family · Multi-Household · Urban-Living Housing

Which Should You Choose?

The criterion is your exit strategy. If you intend to hold the whole building and manage rental income, multi-family is simpler. A single registration keeps management and disposal clean, and there are brackets where it helps maintain single-homeowner status. Conversely, if you plan to sell units individually or dispose of only part, you need sectional ownership through multi-household or urban-living housing.

From a design standpoint, the floor combination is key. Multi-family housing, constrained by the three-residential-floor limit, commonly uses a standard configuration of ground-floor pilotis parking plus three upper floors. Here, parking count, daylight setback, and floor limit interlock to determine the massing. Our ongoing Yongin multi-family project was likewise a search for the intersection of these three conditions. Daylight setback is covered in detail in a separate article.

Frequently Asked Questions

Q. Biggest difference between multi-family and multi-household?

Ownership structure. Multi-family is detached housing with no individual unit registration; multi-household is multi-unit housing allowing per-unit ownership and sale.

Q. What are the multi-family standards?

Three residential floors or fewer, total floor area 660㎡ or less, 19 households or fewer. Ground-floor pilotis parking is excluded from the residential floor count.

Q. Which is better for rental business?

Collective holding suits multi-family; unit-by-unit sale suits multi-household or urban-living. Land and tax conditions must be reviewed together. LEA Architects conducts feasibility reviews in Yongin. Contact us →

Dagagu Dasedae Difference · Multi-Family Housing · Multi-Household Housing · Urban Living Housing · Housing Floor Limit · Yongin Architect · LEA Architects