
Rockville MD Electrical Contractors: Professional Home Services
Rockville homeowners need reliable electrical contractors for projects large and small. Learn about finding quality...

Commercial and residential electrical experts for Rockville. AJ Long Electric provides safe, reliable, and code-compliant electrical services throughout Montgomery County. From panel upgrades to EV charger installations, trust the electricians Rockville homeowners have relied on for over 40 years.
From routine repairs to major installations, our licensed electricians provide comprehensive electrical services to Rockville homes and businesses. Every service is backed by our satisfaction guarantee.
Upgrade your home's electrical capacity with safe, modern panel installations.
Never lose power again with reliable standby generator solutions.
Replace faulty, tripping, or outdated circuit breakers for reliable power distribution.
Install dedicated circuits for high-draw appliances, workshops, and home offices.
Upgrade your home's electrical service from the utility meter to the main panel.
Transform your home's ambiance with energy-efficient LED recessed lighting.
Landscape, security, and patio lighting solutions.
Expert installation and mounting for chandeliers of all sizes and styles.
Upgrade to smooth, flicker-free dimmer switches for LED and incandescent lighting.
Automated motion-activated lighting for security, convenience, and energy savings.
Whole-home protection against damaging power spikes.
Detailed safety audits for home buyers and regular maintenance.
Protect your family from electrical shock with code-required GFCI outlets.
Hardwired, interconnected smoke and CO detectors for maximum life safety.
Bring your home's electrical system up to current NEC code standards.
Certified installation for Tesla, ChargePoint, and all major EV charger brands.
Integration for smart switches, thermostats, and video doorbells.
Upgrade your outlets with built-in USB-A and USB-C charging ports.
Reduce energy consumption and utility bills with smart electrical upgrades.
Specialized wiring for kitchen remodels, appliances, and lighting.
Professional installation for ceiling and exhaust fans.
Quiet, powerful exhaust fans to eliminate moisture, mold, and odors from bathrooms.
Safe, code-compliant electrical wiring for swimming pools, hot tubs, and spas.
Professional in-wall wiring for home theaters, media rooms, and entertainment systems.
Eliminate the fire hazard of aluminum branch circuit wiring with professional remediation.
Replace outdated knob-and-tube wiring to eliminate fire hazards and meet modern standards.
Expert diagnosis and repair for flickering lights, dead outlets, and more.
24/7 emergency electrical repair service for urgent and dangerous situations.
Reliable electrical solutions for offices, retail, and commercial properties.
Our service trucks are dispatched daily throughout Rockville and Montgomery County. Whether you live near Rockville Town Square or in Rockville Town Center, our licensed electricians provide fast, professional service to your neighborhood.


Service trucks active in Rockville
AJ Long Electric proudly serves Rockville and surrounding areas.Call (703) 997-0026 for service in your area.
Our electricians serve customers throughout Rockville, from residential neighborhoods to commercial districts. We are familiar with local landmarks, traffic patterns, and the unique electrical infrastructure of Montgomery County properties.
We serve customers near
Rockville Town Square
We serve customers near
Pike and Rose
We serve customers near
Lake Needwood
We serve customers near
Rockville Metro
We serve customers near
Montgomery College
We serve customers near
Rockville Civic Center
We serve customers near
Beall-Dawson House
We serve customers near
F. Scott Fitzgerald Theatre
Historic West End home electrical updates
Commercial electrical for office and retail
Mixed-use development sophisticated systems
Panel upgrades in mid-century neighborhoods
Home office dedicated circuits and surge protection
EV charging installation residential and commercial
Restaurant and retail tenant improvements
Healthcare facility electrical requirements
Rockville, Maryland serves as the seat of Montgomery County government and a major employment center for the Washington region. This established city combines historic neighborhoods, suburban residential areas, and significant commercial development, creating diverse electrical service needs that AJ Long Electrical addresses with comprehensive expertise.
The City of Rockville contains distinct character areas with different electrical profiles. West End features historic homes from the early 20th century that often need comprehensive electrical updates. The Twinbrook, College Gardens, and Rockville Park neighborhoods include mid-century homes with typical electrical characteristics of their era. Newer development in King Farm, Fallsgrove, and Pike and Rose brings contemporary construction with modern electrical systems.
Rockville's significant commercial base creates substantial demand for business electrical services. Office buildings, retail centers, restaurants, and healthcare facilities throughout the city require reliable electrical systems and responsive service when problems arise. Our commercial division provides installation, maintenance, and emergency repair services throughout Rockville's business community.
The Pike and Rose development exemplifies the mixed-use construction transforming parts of Rockville. These properties combine residential, retail, and office space with sophisticated electrical requirements including integrated building systems, commercial-grade service for restaurant and retail tenants, and residential amenities like EV charging and smart home infrastructure.
Montgomery County government offices throughout Rockville serve the public and require uninterrupted electrical service. While we do not hold the county's electrical contract, we serve the many county employees who live in Rockville and appreciate professional, reliable service for their homes.
Rockville's accessibility via I-270 and Metro attracts professionals from throughout the region, many of whom maintain home offices requiring dedicated circuits and surge protection. We design home office electrical systems that ensure reliable power for critical work equipment while maintaining proper separation from household circuits.
AJ Long Electrical has served Rockville homeowners and businesses for over three decades, building relationships through consistent quality and reliable service. When Rockville residents need electrical work, they choose the contractor their neighbors trust.
Fully licensed in Maryland with comprehensive liability insurance for your protection.
Over 1,200 five-star reviews from satisfied customers throughout Rockville and Montgomery County.
Fast response times with same-day service available for Rockville residents.
Get answers to the most frequently asked questions from Rockville homeowners about our electrical services.
Yes! AJ Long Electric proudly serves Rockville and the surrounding Montgomery County area. We have been providing professional electrical services to Rockville residents and businesses for over 40 years. Our licensed electricians are familiar with local building codes and permitting requirements specific to Montgomery County.
Electrical work in Montgomery County typically requires permits for panel upgrades, new circuit installations, EV charger installations, and major renovations. AJ Long Electric handles all permit applications and inspections on your behalf, ensuring your project meets all Maryland electrical codes and local requirements.
Absolutely! We serve all neighborhoods throughout Rockville, including Rockville Town Center, Twinbrook, College Gardens, West End, King Farm, Fallsgrove, Pike and Rose, Hungerford, Woodley Gardens, Tower Oaks, and surrounding areas. Our service trucks are regularly dispatched to Rockville for both scheduled appointments and emergency calls.
For electrical emergencies in Rockville, we prioritize rapid response. During business hours, we typically dispatch a technician within 2-4 hours. We also offer emergency services for urgent situations like power outages, electrical fires, or safety hazards. Call (703) 997-0026 for immediate assistance.
Historic West End home electrical updates. Commercial electrical for office and retail. Mixed-use development sophisticated systems. These are common issues we address for Rockville homeowners. Our electricians are experienced with the specific electrical infrastructure found in Montgomery County properties.
Yes, we provide free estimates for most electrical projects in Rockville. Whether you need a panel upgrade, EV charger installation, or whole-house rewiring, we will visit your property, assess your needs, and provide a detailed written estimate at no charge. Call (703) 997-0026 to schedule your free consultation.
All AJ Long Electric technicians are fully licensed, bonded, and insured for electrical work in Maryland. We maintain all required state and local licenses, carry comprehensive liability insurance, and our work is backed by our satisfaction guarantee. You can trust that your Rockville electrical project is in qualified hands.
In addition to Rockville, AJ Long Electric provides professional electrical services to these nearby communities in Maryland and the greater DMV region.
Proudly serving Rockville and surrounding areas including Bethesda, Gaithersburg, Silver Spring, Potomac. Our electricians are licensed to work throughout Northern Virginia, Maryland, and Washington DC.
Power outage, smoking panels, or sparking outlets? Do not wait. Our licensed electricians are on standby 24/7/365 to protect your home and family.
● Average response time: < 2 hours for emergencies
Helpful guides and advice from our licensed electricians who serve the Rockville area.

Rockville homeowners need reliable electrical contractors for projects large and small. Learn about finding quality...

Your comprehensive guide to electrical services in Fairfax, Virginia. From panel upgrades to EV charger installation,...

Arlington homeowners face unique electrical challenges in older rowhouses and condos. Learn what to look for in an...
AJ Long Electric is your trusted licensed electrician in Rockville, Maryland. We proudly serve neighborhoods including Rockville Town Center, Twinbrook, College Gardens, West End, King Farm, and areas near Rockville Town Square, Pike and Rose, Lake Needwood. Serving ZIP codes: 20847, 20848, 20849, 20850, 20851, 20852, 20853, 20854, 20855. Call (703) 997-0026 for a free estimate on all electrical services in Montgomery County.