The cost of installing bathroom partitions in a commercial restroom can vary widely based on several factors, including the material of the partitions, the size and layout of the restroom, the number of stalls, and the region where the installation takes place. Here’s a breakdown of potential costs:
1. **Material Costs**: 
   - **Powder-Coated Steel**: Typically the most economical option, costing around $300 to $500 per stall.
   - **Plastic Laminate**: Mid-range option, costing approximately $400 to $600 per stall.
   - **Solid Plastic (HDPE)**: Durable and moisture-resistant, costing about $500 to $700 per stall.
   - **Stainless Steel**: High-end option, known for its durability and sleek appearance, costing between $700 to $1,200 per stall.
   - **Phenolic**: Highly durable and resistant to moisture, costing around $600 to $1,000 per stall.
2. **Installation Costs**: 
   - Installation costs can range from $200 to $500 per stall, depending on the complexity of the installation and local labor rates.
3. **Additional Costs**:
   - **Hardware and Accessories**: Locks, handles, and other hardware can add $50 to $150 per stall.
   - **Customizations**: Special finishes, colors, or custom designs can increase costs.
   - **Demolition and Disposal**: If old partitions need to be removed, this can add $100 to $300 per stall.
4. **Total Estimated Costs**:
   - For a basic setup with powder-coated steel, expect to pay around $500 to $1,000 per stall, including installation.
   - For high-end materials like stainless steel, costs can rise to $1,200 to $1,700 per stall.
Overall, the total cost for a commercial restroom with multiple stalls can range from a few thousand dollars to tens of thousands, depending on the specific requirements and choices made.