Serving Rockville Maryland with Electrical Service and Installations

If you should ever experience a power outage or other electrical emergency in the Rockville, Maryland area, make sure you have our phone number handy. We'll respond quick as a flash!

Plus, Rockville, Maryland residents can depend on us for all your electrical needs - upgrading a main service panel ... rewiring ... troubleshooting ... installing indoor or outdoor lighting ... and much more.

Our fully trained and courteous Service Technicians are available 7 days a week and carry a fully inventory of repair parts to quickly respond to your electrical emergency situations in the Rockville, Maryland and surrounding areas.

Go Green with John C. Flood. We offer a complete selection of environmentally-friendly ENERGY STAR products for your home.

What We Do

• We are open 7 days a week at regular rates!
• Back Up Generators
• Home inspection & Corrections
• Smoke Detectors
• Fuse Panel Replacements
• Short Circuits Repaired
• Recessed Lighting
• GFCI Receptacles
• Surge Suppressors & Lighting Arrestors
• Remodeling & Additions Wired
• Security Lighting
• Heavy ups/Panel changes
• Troubleshooting
• Dedicated circuits and sub panels
• Ceiling fans
• Attic and bath exhaust fans
• Fixture replacement
• Hot tubs and saunas
• Lighting & Lighting Design
• All other electrical repairs and installations

Rockville MD - Derwood is an unincorporated area of about 15,600 people in Montgomery County, Maryland. It is a reletively dense area. It lies just north east of Rockville, south east of Gaithersburg, south west of Olney, and north west of the greater Silver Spring, Maryland area. The area was originally referred to as "Deer Park" and probably became "Deer Wood" which soon turned into "Derwood."

Rockville MD Electrical Area Locations: Derwood Station, Mill Creek Towne, Needwood Estates, Muncaster Manor, Muncaster View, Hollybrooke, Granby Woods, Park Overlook, Redland, Candlewood Park, Cashell Estates, Avery Lodge, Avery Village, Bowie Mill Estates, Bowie Mill Park, Winters Run, Redland Station, Rolling Knolls, and Emory Grove

Rockville area zipcodes within 10 miles include: 20855

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