Limited-Time Offer: Up to $250 OFF Panel Upgrades
Licensed Electric Panel Upgrade & Replacements
Whether you need a 100 Amp to 200 Amp electric panel upgrade , a fast breaker box replacement , or to safely change out an electrical panel , McCarthy Electric gets it done right the first time. Fully licensed, bonded , and Snohomish County’s trusted local experts.
⭐️⭐️⭐️⭐️⭐️ 5.0 (104 reviews) · Electrician
3+ years in business · Lynnwood, WA
Open 24 hours
On-site services
Comprehensive Panel & Box Services
As the Best Electrician of Snohomish County (2023 & 2024), we specialize in:
Full Breaker Box Replacement
Swapping old, flickering systems for high-capacity reliability.
Fuse Box to Breaker Conversions
Modernizing your home’s infrastructure for insurance and safety requirements.
Smart Panel Installations
Future-proof your home with SPAN smart panel technology.
Minimal Impact:
Our change out process utilizes "minimal drywall damage" techniques to keep your home clean.
Trusted By Snohomish & King County For Panel Upgrades
Best Electrician
of 2023
Best of Snohomish County 2023
Best Electrician
of 2024
Best of Snohomish County 2024
Panel Upgrade Service Areas
McCarthy Electric & Technologies provides same-day scheduling for electric panel upgrades and emergency breaker box replacements throughout Snohomish County and North King County. Because our licensed technicians are stationed locally, we can replace your electrical panel quickly, safely, and with zero hidden trip charges.
Our Recent Panel Upgrade Projects
Frequently Asked Questions
How long does it take to replace an electrical panel?
Most box upgrades are completed in a single day.
Do I need a permit to change my electrical box?
es, and McCarthy Electric handles the entire process for you.
Can I upgrade to 200 amps for an EV charger?
Absolutely; this is our most common panel replacement request.
Will my power be shut off?
Yes, temporarily. We coordinate with the utility to minimize downtime.
Do you offer free estimates?
Yes — always.
What brands do you install?
We install trusted brands including SPAN and work with Generac integrations.
Ready to Change Your Electrical Panel?
Don’t wait for old breakers to cause safety hazards. Join 200+ Snohomish & King County homeowners who chose us for their residential electric panel upgrade. Schedule your service today for safe, reliable, and award-winning workmanship.