Licensed 100 Amp to 200 Amp Electrical Panel Upgrades & Replacements
Get $200 Off Your Upgrade Today
Whether you need to replace an electrical panel, change out a breaker box, or perform a full fuse-to-breaker conversion, we do it right the first time.
- $200 Off Your Panel Upgrade
- Voted Best Electrician 2023-2024
- Guaranteed 100% Code-Compliant Work
- 24/7 Emergency Service Available
- Certified Tesla Wall Connector Installers
⭐️⭐️⭐️⭐️⭐️ 5.0 (104 reviews) · Electrician
3+ years in business · Lynnwood, WA
Open 24 hours
On-site services
- 25+ Years Combined Experience
- 100% Code-Compliant Work Guaranteed
- 24/7 Emergency Service Available
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.
Our Work
Snohomish & King County’s Choice for Panel Replacements & Box Upgrades
- Best Electrician 2023 & 2024
- Certified Tesla-Pro Electricians
- Expert Electrical Box Replacements
- Licensed, Bonded & Code-Compliant
- Minimal Drywall Damage Techniques
Awards and Recognitions
Best Electrician
of 2023
Best of Snohomish County 2023
Best Electrician
of 2024
Best of Snohomish County 2024
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 Replace Your Electrical Box? Save $200
Join 200+ Snohomish & King County’s homeowners who chose us for their panel replacement and box upgrade. Safe, reliable, and award-winning service guaranteed.