A typical residential distribution box in the U.S. costs between $1,100 and $4,500, depending on amperage, installation complexity, and location.

Cost Overview

The price of a distribution box varies widely based on amperage, panel type, enclosure material, and installation requirements. For standard residential setups:

• Basic 100A indoor panel: $1,100–$1,600 including labor, materials, and permits .
• Mid-range 150–200A outdoor upgrade: $2,800–$4,500, often including a new main disconnect, meter socket, weatherproof enclosure, and moderate rewiring .
• High-end or smart panels: Can exceed $5,000, especially if equipped with advanced monitoring, surge protection, or additional circuits .

Factors Affecting Cost

1. Amperage and Number of Circuits: Higher amperage (200A vs 100A) and more circuits increase both material and labor costs .
2. Location and Accessibility: Outdoor installations or hard-to-reach areas require more labor and durable enclosures, raising costs .
3. Labor Rates: Electrician rates typically range from $75–$150 per hour, with total labor hours from 4–18 depending on project complexity .
4. Permits and Code Compliance: Local permits and code upgrades can add $100–$600 or more to the total cost .
5. Material Quality: Enclosures made of ABS plastic are cheaper, while powder-coated steel or stainless steel panels cost more .
6. Additional Features: Smart monitoring, surge protection, or future expansion spaces increase upfront costs but may save money long-term .

Installation Considerations

• Basic Replacement: Simple swap of an existing panel with minimal rewiring, typically completed in 4–8 hours .
• Complex Upgrades: May involve new feeders, meter socket replacement, or rerouting wiring, taking 12–18 hours .
• Hidden Costs: Structural modifications, trenching for underground feeds, or replacing obsolete wiring can add 15–20% to the total project cost .

Summary

For most U.S. homes, expect to pay $1,100–$2,000 for a basic 100A indoor panel, $2,800–$4,500 for a 150–200A outdoor upgrade, and higher for smart or industrial-grade systems. Costs vary by region, labor availability, and installation complexity, so obtaining multiple quotes is recommended to budget accurately .