Castro Electrical Services
Verified Pro
9½+ years online4.8(396)
Electrical Services in Rockville, MD
Compare 24 electrical services contractors near you in Rockville and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated April 20, 2026
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Verified Pro Installers
Other Businesses in This Area
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4.0Electrical Services in Nearby MD Cities
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Electrical Services in Rockville, MD
Rockville electricians in this directory cover central Rockville, North Bethesda, Potomac-adjacent neighbourhoods, and surrounding Montgomery County. A typical 200-amp panel upgrade runs $2,800-$4,500. Service mast and meter upgrades add $1,200-$3,000. Whole-home Type 2 surge protection runs $300-$600 installed.
Pepco covers most Montgomery County electric. Montgomery County DPS permits all service work. Many Rockville HOAs require ARC review.
Frequently Asked Questions
- Do I need a permit for a Rockville panel upgrade?
- Yes — Montgomery County DPS requires a permit.
- Will my EV charger need a panel upgrade?
- A 240V/50A Level 2 charger draws 11-12 kW.
- Should I add surge protection?
- Yes — Mid-Atlantic thunderstorms cause direct strikes.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Rockville and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.