Flood Cleanup Labor Hours Calculator
Estimate the total labor hours required to clean up after a flood based on the affected area, water depth, damage severity, and number of workers.
Formula
Base Hours = (Area ÷ 200) × Depth Factor × Damage Factor
Depth Factor = 1 + (Depthinches ÷ 12) × 0.35
Contents Hours = Area × 0.05 (if contents removal required)
Mold Hours = Area × 0.08 (if mold remediation required)
Total Labor Hours = Base Hours + Contents Hours + Mold Hours
Calendar Days = Total Labor Hours ÷ (Crew Size × 8)
Cost Range = Total Labor Hours × $35 to $65 per hour
| Damage Level | Factor | Description |
|---|---|---|
| Light | 1.0× | Surface moisture only |
| Moderate | 1.5× | Soaked materials, minor structural |
| Severe | 2.2× | Structural damage, mold risk |
| Catastrophic | 3.0× | Major structural loss, contamination |
Assumptions & References
- Base productivity of 200 sq ft per labor-hour covers water extraction, drying equipment setup, and basic debris removal under light-damage conditions with no standing water.
- Each additional foot of standing water increases labor effort by 35%, accounting for pumping time, saturated materials, and safety precautions (FEMA P-55, Residential Coastal Construction).
- Damage multipliers are derived from IICRC S500 Standard for Professional Water Damage Restoration (Categories 1–3 and Class 1–4 classifications).
- Contents removal adds 0.05 labor-hours per sq ft based on industry estimates for moving, sorting, and disposing of household items.
- Mold remediation adds 0.08 labor-hours per sq ft per EPA mold remediation guidelines (EPA 402-K-02-003).
- Labor cost range of $35–$65 per hour reflects U.S. national averages for restoration technicians (BLS Occupational Employment Statistics, 2023).
- Calendar days assume 8-hour work shifts with no overtime.
- This calculator provides estimates only. Actual hours may vary based on site conditions, equipment availability, contamination type, and local regulations.
- Does not account for structural repairs, electrical work, HVAC cleaning, or permit-related delays.