Commercial Lease Key-Money Estimator
Enter your monthly net profit, operating period, business type, facility investment, and location to see a fair key-money range and an over/fair/under diagnosis.
📋 Basic Info
Actual profit after rent, labor, and material costs
Total months in operation so far
🛠️ Facility Info
Original cost of interior, fixtures, and equipment
Years elapsed since the interior was done
📍 Location · Diagnosis
Enter to diagnose over/fair vs. fair value
💰 Key-Money Fair Value
Total fair key money · Fair range
1억 100만원 ~ 1억 5,300만원
Typical (mid) 1억 2,600만원
Monthly profit × industry multiplier × tenure factor
Investment cost × residual rate
Location premium range
Industry multiplier
10~18months
Tenure factor
×1.00
Facility residual rate
60%
🛡️ Tenant Key-Money Protection (Lease Protection Act)
- • Renewal right: up to 10 years of operation incl. the initial lease (Art. 10)
- • Recovery-opportunity protection: from 6 months before lease end until end, the landlord may not obstruct a key-money deal with a new tenant without just cause (Art. 10-4)
✅ Transfer-contract checklist
- Specify each key-money component (goodwill / facility / location) in the contract
- List fixtures and the scope of takeover, plus defect / restoration liability
- Confirm the landlord's lease succession / renewal consent and remaining term in advance
Calculation Basis & Sources
- 📈 Goodwill multiplier: common key-money trade practice (monthly profit × industry multiplier)
- 🛠️ Facility depreciation: 5-year straight-line + 10% salvage floor
- 📍 Location key money: typical premium range by commercial grade
- ⚖️ Tenant protection: Commercial Building Lease Protection Act Art. 10 / 10-4
- 🗓️ Data verified: 2026-06-20
※ Key money has no legally fixed standard, so this is a reference estimate. Actual amounts vary widely by location, store, and negotiation, and do not replace a professional appraisal or actual market data.
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