
How Much Does Install Electrical Sub-Panel Cost in Portland, Maine?
Install Electrical Sub-Panel: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Install Electrical Sub-Panel in Portland, Maine typically costs $371 to $449 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Electrical Sub-Panel in Portland, Maine
$371 – $449
per projectPrices in Portland are 1.0% lower than the national average for install electrical sub-panel.
National average: $378 – $458 per project
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $165 – $200 | job |
| Labor | labor | $132 – $160 | job |
| Supplies & Other | supplies | $44 – $53 | job |
| Equipment & Disposal | equipment | $29 – $36 | job |
Prices adjusted for Portland local market conditions.
Install Electrical Sub-Panel photo examples

Open sub-panel box with a row of breakers above two duplex outlets
Photo: Ben Chun · CC BY-SA 2.0 · Source
Cost Factors in Portland, Maine
What Affects Pricing
- Materials ($170.17-$206.24 per project)
- Labor ($132.36-$160.41 per project)
- Supplies & Other ($45.38-$55.00 per project)
- Equipment & Disposal ($30.25-$36.67 per project)
Local Price Adjustments
Material costs3.0% below avg
Labor costsAt national average
Frequently Asked Questions
References
- Cost to install electrical sub-panel, Homewyse, retrieved Sep 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Portland
Connect with local install electrical sub-panel contractors in Portland for personalized quotes based on your specific project.