Korean New Apartment Pre-Inspection (사전점검) and Defect Warranty (하자보수) Checklist
Buying a brand-new apartment in Korea comes with a built-in safety net most foreigners never use. It's called 사전점검 (sajeon-jeomgeom), the pre-inspection event, and it pairs with a legal warranty system called 하자보수 (hajaboosu). Together they let you find flaws before you move in and force the builder to fix them for free. This guide walks you through the whole thing, step by step.
Buying a brand-new apartment in Korea comes with a built-in safety net most foreigners never use. It's called 사전점검 (sajeon-jeomgeom), the pre-inspection event, and it pairs with a legal warranty system called 하자보수 (hajaboosu). Together they let you find flaws before you move in and force the builder to fix them for free. This guide walks you through the whole thing, step by step.
Quick Answer
- What 사전점검 is: A scheduled inspection day, usually 1-2 months before move-in, where the builder lets you walk your unfinished-feeling but completed apartment to mark defects. The builder fixes everything you flag before you get your keys.
- What 하자보수 is: A legal defect-warranty system under Korea's 공동주택관리법 (Apartment Housing Management Act). The builder must repair covered defects for 2, 3, 5, or 10 years depending on the part, and money is set aside (the 하자보수보증금, a defect-repair deposit equal to about 3% of standard construction cost) to guarantee it.
- What you do on the day: Bring stickers, a tape measure, a level, a phone charger, and a flashlight. Mark every flaw with a sticker, photograph each one (one wide shot plus one close-up), and write it on the official checklist the builder hands you.
- If the builder stalls: You escalate to the 하자심사·분쟁조정위원회 (Defect Review and Dispute Mediation Committee) under the Ministry of Land (국토교통부) at adc.go.kr — a free government body that rules on disputes, usually within 60 days.
This is a guide for a major financial event, not legal advice. Warranty rules change, and your contract and management office have the final say. When real money is on the line, confirm the current law at the official sources linked below.
What Is 사전점검 (Pre-Inspection) in a New Korean Apartment?
When you buy a new (분양) apartment in Korea, you don't get the keys the day construction ends. First, the builder invites every buyer to a 사전점검 (pre-inspection). Think of it as a dress rehearsal for move-in. The unit is finished — floors, wallpaper, kitchen, bathrooms — but no one has lived there yet. Your job is to find every flaw while the builder still owns the problem.
The point is simple. A new apartment in Korea is a multi-hundred-million-won purchase, and the law gives you the right to inspect it before you accept handover. Anything you mark during 사전점검 gets repaired by the builder, on the builder's dime, before you move in. Miss it now, and you may still be covered by the warranty later — but chasing a fix after you've moved your furniture in is far harder.
Pre-inspection usually happens one to two months before the official move-in date, which gives both sides time to schedule repairs, as Korean real-estate guides describe (RealEstateView, 2024). You'll get an invitation (초대장) from the builder telling you the date, time slot, and what to bring.
Why this matters more than the move-in checklist
If you've read our Korean New Apartment Move-In Checklist, you know move-in day is about logistics — utilities, internet, registering your address. Pre-inspection is different. It's the one window where finding a chipped tile or a door that won't close is the builder's job to fix, not yours. Treat it as the single most valuable free service attached to your purchase.
What Tools and Items Should You Bring to 사전점검?
You don't need a professional kit. Korean buyer guides and Ohouse (오늘의집) community experts recommend the same short list of cheap, common items. The Ohouse expert advice column on self pre-inspection (Ohouse 오늘의집, advices/9647) and practical Korean checklists (Weolbu, 2024) converge on this gear.
| Item (English) | Korean term | What it's for |
|---|---|---|
| Defect stickers | 하자 스티커 | Mark each flaw so workers can find it |
| Masking tape | 마스킹 테이프 | Stick notes; outline crooked lines on walls |
| Post-it notes | 포스트잇 | Write what's wrong next to each sticker |
| Pen | 볼펜 | Fill out the official checklist |
| Tape measure | 줄자 | Check room and furniture-gap dimensions vs. the floor plan (도면) |
| Bubble level | 수평계 | Test if floors, counters, and shelves are level |
| Rubber mallet | 고무망치 | Tap tiles to hear if they're hollow (들뜸) |
| Phone charger | 핸드폰 충전기 | Quick test that every outlet (콘센트) has power |
| Flashlight | 손전등 | Look into dark corners, under sinks, behind units |
| Hand mirror | 손거울 | See behind pipes and into tight gaps |
| Small step stool or ladder | 의자/사다리 | Reach ceilings and the tops of cabinets |
| Water dipper or bottle | 바가지 | Pour water in bathroom drains to test slope and drainage |
Bring your ID (신분증) and the invitation (초대장) — the move-in support center checks both before letting you in. Wear comfortable shoes and clothes you don't mind getting dusty. New units are clean but raw.
A laser distance measure helps if you have one, but a basic 줄자 is fine. Don't overspend. The whole kit can cost under 30,000 won at Daiso or a hardware store.
How Do You Run the Inspection, Room by Room?
Work in one direction so you don't miss a room. Start at the front door and move clockwise. Mark a sticker the instant you see a flaw — don't trust your memory to find it again later. Here's a room-by-room punch list drawn from standard Korean inspection checklists.
| Area | What to check | Common defects |
|---|---|---|
| Entry / 현관 | Door opens and locks smoothly; doorbell, shoe cabinet hinges | Misaligned door, scratched frame, loose shelf |
| Living room / 거실 | Wallpaper seams, floor scratches, window opening, AC outlet | Torn 도배, hollow flooring, gaps at baseboards |
| Kitchen / 주방 | Cabinet doors align, sink drains, gas/induction works, water pressure | Leaks under sink, uneven cabinet gaps, chipped countertop |
| Bathrooms / 욕실 | Pour water to test drain slope, silicone sealing, tile bonding | Standing water, hollow tiles, cracked grout, weak seal |
| Bedrooms / 방 | Floor level, closet doors, outlets, window screens | Sticking doors, dead outlets, gaps in 붙박이장 |
| Veranda / 베란다 | Drain works, window seals, no water stains | Leaks, condensation marks, cracked tile |
| Windows / 창호 | Every window and screen opens, closes, and locks | Hard to slide, gaps that let air in |
| Electrical | Plug the charger into every outlet; flip every switch | Dead outlets, switches wired to wrong lights |
| Ceilings | Look for cracks, water marks, uneven paint | Hairline cracks, sagging, stains |
For each defect, follow the Ohouse photo rule: take one wide shot showing where the flaw is in the room, then one close-up showing the flaw clearly. Close-ups alone are useless a month later because you won't remember which wall it was. Photograph the sticker in frame so the location is undeniable.
Then write every item on the official checklist (점검표) the builder gives you at check-in, hand one copy back, and keep your own copy or photo of it. That signed checklist is your proof of what you reported and when.
If your unit is small, our guides on a 15-pyeong layout and reading a Korean interior estimate help you understand which gaps are defects versus normal tight spacing.
What Is the 하자보수 (Defect Warranty) and How Long Does It Last?
Finding defects is only half the system. The other half is the legal warranty that forces the builder to keep fixing things long after move-in. This is 하자담보책임 (defect liability) under the 공동주택관리법 (Apartment Housing Management Act), and the exact time limits live in 시행령 별표 4 — the enforcement decree's Table 4 (Korea Ministry of Government Legislation, law.go.kr; plain-language summary at Korea Easy Law, easylaw.go.kr).
The key idea: different parts of the building carry different warranty lengths. Surface finishes are short; structural bones are long. The clock runs out part by part, so claim early.
| Warranty period | Covers (examples) | Korean category |
|---|---|---|
| 2 years | Interior finishes: plaster, wallpaper (도배), paint, interior tile and stone; built-in furniture and kitchen units | 마감공사 |
| 3 years | Heating, cooling, ventilation and air-conditioning; water supply, drainage, sanitary; gas; carpentry and windows (목공사·창호); outdoor water supply and sanitary; landscaping and site-grading | 난방·냉방·환기, 급배수·위생, 가스, 옥외급수 등 |
| 5 years | Reinforced concrete, steel-frame, masonry, roofing, waterproofing; electrical and power; information/communication; fire-safety (소방); elevators | 철근콘크리트·철골·조적·지붕·방수·전기·소방공사 |
| 10 years | Load-bearing structure and ground works (columns, beams, slabs, load-bearing walls, foundations) | 내력구조부별 및 지반공사 |
Source: 공동주택관리법 시행령 별표 4, summarized by Korea Easy Law (2024) and the legal explainer at Modusign (2024).
When does the warranty clock start?
This trips people up. There are two start dates:
- Your own unit (전유부분 — the private area inside your walls): the clock starts on your handover date (인도일), the day you actually take possession.
- Shared areas (공용부분 — hallways, roof, parking, exterior): the clock starts on the building's use-approval date (사용검사일).
So a 2-year finishing warranty on your wallpaper runs from your move-in, but a 5-year roof warranty for the whole building runs from when the building passed inspection. Check both dates and put reminders on your calendar before each one expires.
What Is the 하자보수보증금 (Defect Repair Deposit)?
The law doesn't just tell the builder to fix defects. It makes them set aside money first. This is the 하자보수보증금 (defect repair security deposit).
When the builder applies for use-approval, they must deposit a guarantee equal to about 3% of the standard construction cost (표준건축비의 3%) with a financial or guarantee institution (Suwon City Paldal-gu, government guide; claim mechanism at Korea Easy Law). The deposit sits there for the whole warranty period as a backstop.
Here's why it protects you. If the builder ignores repair requests, the 입주자대표회의 (residents' representative council) — your building's elected resident body — can claim against this deposit directly. The guarantee institution must then pay out within 30 days of the request (Korea Easy Law). That money can only be used for defect repairs, nothing else.
So even a builder that goes bankrupt or stonewalls can't fully escape. The deposit is money already locked up for your repairs. Note: national/local governments and LH (the public housing authority) are exempt from depositing, since the state itself backs their obligations.
How Do You Actually File a 하자보수 Claim?
You don't need a lawyer for routine defects. The process is meant to be run by residents.
- Report in writing. Submit your defect list to the builder (사업주체) or the building's management office (관리주체) in writing — email, the building app, or a stamped form. Verbal requests vanish. Attach your photos and the unit number.
- Give them a deadline. The builder must establish a repair plan and complete fixes within a reasonable window. Keep every reply.
- Document the repair. When workers come, watch the fix and photograph the result. If it's done wrong, re-report it the same way.
- Escalate to the council. If the builder ignores you, bring it to the 입주자대표회의. They can claim the 하자보수보증금 and hire outside contractors to fix it.
- Go to the government committee. Still stuck? File with the 하자심사·분쟁조정위원회 (next section). It's free and binding.
Keep a single folder — physical or cloud — with your signed 사전점검 checklist, every photo, and every message. Boring, dated, undeniable evidence wins these cases. For larger fixes you decide to handle yourself, our guide on how to hire and vet a Korean interior contractor helps you avoid a second round of bad work.
What If the Builder Refuses to Fix Defects?
When a builder drags its feet, Korea gives you a free government referee: the 하자심사·분쟁조정위원회 (Defect Review and Dispute Mediation Committee), run by the Ministry of Land, Infrastructure and Transport (국토교통부) and reachable through the Defect Management Information System at adc.go.kr (Korea Easy Law, dispute resolution).
The committee offers three tracks, each with a legal time limit:
| Track | Korean | What it does | Time limit |
|---|---|---|---|
| Defect review | 하자심사 | Rules whether something legally counts as a defect | 60 days (90 for shared areas) |
| Dispute mediation | 분쟁조정 | Mediates between you and the builder | 60 days (90 for shared areas) |
| Dispute arbitration | 분쟁재정 | Final binding decision after hearings and site survey | 150 days (180 for shared areas) |
Source: Korea Easy Law (2024).
A 분쟁재정 (arbitration) ruling carries the same force as a court settlement, so the builder can't simply ignore it. You file with a defect-review application and supporting documents. This is far cheaper and faster than a lawsuit, which is why most Korean apartment disputes go through this committee first.
If your defects point to deeper construction problems — uneven floors, persistent leaks — an independent paid inspection firm can document them for your claim. Korean companies like Homecheck (homecheck.kr) offer 사전점검 and 하자진단 (defect diagnosis) services that produce a formal report you can attach to a committee filing.
What Defects Are Most Common in New Korean Apartments?
Knowing what usually goes wrong helps you inspect faster. A study in the Proceedings of the Korean Institute of Building Construction analyzed apartment defects arising during the warranty period and found that, by construction category, wooden flooring products had the highest defect rate, followed by wallpaper (paper hanging) and wooden windows (Korea Institute of Building Construction, 2022, koreascience.kr). The most frequent defect type was tearing and scratching, then problems with how parts were fixed and operated.
What this tells you on inspection day: spend extra time on floors, wallpaper seams, and windows. Run your hand along flooring for scratches and lift to check for hollow spots. Trace every wallpaper seam for tears and bubbles. Open and close every window. These three categories produce most real-world claims, so they deserve the most attention while the builder is still on the hook.
Cracks, leaks, dead outlets, and hollow tiles round out the usual list. None are rare. Finding them is the whole reason 사전점검 exists.
A Foreigner's Quick-Start Summary
If Korean isn't your first language, the system can feel opaque. It isn't. Here's the short version, with the English-language perspective covered well by a foreigner-focused move-in guide (KJ Nomardy, 2024):
- Bring stickers, a tape measure, a phone charger, and your phone camera.
- Mark and photograph everything. Two photos per defect: wide, then close.
- Write it all on the official checklist and keep your copy.
- Your finishing warranty is 2 years; structure is up to 10. Claim early, in writing.
- If the builder stalls, the council claims the deposit, and adc.go.kr rules on disputes.
That's the entire safety net. Use it.
Frequently Asked Questions
Do I have to attend 사전점검 in person? You should. If you can't, you can send a representative with your ID, invitation, and written authorization, or hire a professional inspection firm to attend for you. Skipping it entirely means defects go unreported while the builder still controls the unit — the worst time to miss them.
How long is the wallpaper and paint warranty in a new Korean apartment? Finishing work (마감공사) — including wallpaper (도배), paint, plaster, and tile — carries a 2-year defect liability period under 공동주택관리법 시행령 별표 4. It starts from your handover date (인도일) for your own unit. After two years, those repairs become your cost (Korea Easy Law).
What does the 하자보수보증금 cover and can I claim it directly? It's a deposit of roughly 3% of standard construction cost that backs the builder's repair duty. You don't claim it personally — your building's 입주자대표회의 (residents' representative council) claims it from the guarantee institution if the builder fails to repair. The institution then pays within 30 days (Korea Easy Law).
The builder fixed it badly. What now? Re-report the same way — in writing, with new photos. If the second fix also fails, escalate to the 하자심사·분쟁조정위원회 at adc.go.kr, which can formally rule whether the work meets standard. A 분쟁재정 decision is binding like a court settlement.
Can I do my own repairs and bill the builder? Not by default. The system expects the builder to repair first. Doing it yourself and billing them usually requires going through the council or the dispute committee, or a court, to recover costs. Document everything before touching anything, or you weaken your claim.
Is the warranty different for officetels or public (LH/SH) housing? The core 공동주택관리법 framework applies broadly, but public-housing bodies like LH are exempt from depositing the 하자보수보증금 because the state stands behind the obligation directly. Officetel rules can vary by how the building is classified. Confirm your specific case with your management office and the official law text.
Related Guides
- Korean New Apartment Move-In Checklist
- How Koreans Prepare a New Apartment Before Moving In
- How to Hire and Vet a Korean Interior Contractor
- Korean Apartment Renovation Timeline and Process Order
- How to Read a Korean Interior Estimate (견적서)
Sources: Korea Easy Law — defect liability periods; Korea Easy Law — defect claims; Korea Easy Law — repair deposit; Korea Easy Law — dispute resolution; 공동주택관리법 시행령 별표 4 (law.go.kr); K-apt apartment management portal; Modusign defect-repair explainer (2024); Korea Institute of Building Construction defect study (2022); Ohouse 오늘의집 self pre-inspection tips; Homecheck inspection service; Weolbu pre-inspection checklist (2024); KJ Nomardy foreigner move-in guide (2024); RealEstateView pre-inspection guide (2024).