Self-Service Laundromat Startup Guide — Coin Laundry Costs, Floor Plan and Regulations in Korea

Self-service laundromats can run 24 hours unattended, making them a popular low-capital startup in Korea. Washer and dryer layout and electrical capacity design determine profitability.

Startup Cost Estimate (2025)

• Commercial washer (10 kg): KRW 1.8–2.8M each
• Commercial dryer (10 kg): KRW 2–3M each
• 10-pyeong setup with 4 washers and 4 dryers: KRW 15–22M
• 3-phase electrical work (200A+): KRW 4–8M
• Plumbing and drainage: KRW 2–4M
• Coin payment machines, CCTV, interior: KRW 3–5M

Floor Plan Design Essentials

Self-service laundromats require at least 1,500mm of loading space in front of each machine. Ensure aisles are 1,200mm wide to accommodate customers carrying laundry.

• Front clearance: 1,500mm per machine for loading and unloading
• Washer-to-dryer path: adjacent or directly opposite to minimize customer walking
• Drainage: individual trap per washer plus shared sump pit recommended
• 3-phase electrical: dedicated circuit per unit with separate breakers

Licensing and Registration

• Laundry business registration: required at local city or county office under the Public Health Management Act
• Self-service classification: customer operates machines — verify applicable registration tier with local health center
• Fire safety: additional requirements apply if classified as a multi-use facility
• Electrical safety: pre-use inspection by Korea Electrical Safety Corporation required for 3-phase connections