
Electrical Services in Fairfax VA: Complete Homeowner Guide
Your comprehensive guide to electrical services in Fairfax, Virginia. From panel upgrades to EV charger installation,...

Upgrading Gaithersburg homes with safer, more efficient power. AJ Long Electric provides safe, reliable, and code-compliant electrical services throughout Montgomery County. From panel upgrades to EV charger installations, trust the electricians Gaithersburg homeowners have relied on for over 40 years.
From routine repairs to major installations, our licensed electricians provide comprehensive electrical services to Gaithersburg 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Replace faulty, tripping, or outdated circuit breakers for reliable power distribution.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 Gaithersburg and Montgomery County. Whether you live near Rio Lakefront or in Kentlands, our licensed electricians provide fast, professional service to your neighborhood.


Service trucks active in Gaithersburg
View detailed electrical service information for specific neighborhoods in Gaithersburg.
AJ Long Electric proudly serves Gaithersburg and surrounding areas.Call (703) 997-0026 for service in your area.
Our electricians serve customers throughout Gaithersburg, 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
Rio Lakefront
We serve customers near
Kentlands
We serve customers near
Seneca Creek State Park
We serve customers near
Olde Towne
We serve customers near
Bohrer Park
We serve customers near
Gaithersburg Community Museum
We serve customers near
NIST Campus
We serve customers near
Lakeforest Mall
Historic Olde Towne property electrical updates
New Urbanist home smart home integration
Technology professional home office requirements
Panel upgrades in 1970s-1990s neighborhoods
EV charging for tech corridor commuters
Commercial electrical for Rio mixed-use properties
GFCI/AFCI updates throughout older homes
Landscape lighting for community-standard compliance
Gaithersburg, Maryland offers exceptional diversity, from the historic charm of Olde Towne to the New Urbanist community of Kentlands to the technology employment hubs along I-270. This variety creates diverse electrical service needs that AJ Long Electrical addresses with comprehensive expertise developed over decades of service throughout Montgomery County.
Olde Towne Gaithersburg contains beautifully preserved historic homes dating from the 19th century that require careful electrical updating. These properties need electricians who understand both the technical requirements of code-compliant systems and the preservation considerations for architecturally significant buildings. We approach these homes with respect for their heritage while ensuring modern safety and functionality.
Kentlands and Lakelands represent pioneering New Urbanist developments that combine traditional architectural styles with contemporary home expectations. These homes typically feature more recent electrical systems but benefit from updates including smart home integration, EV charging, and additional circuits for home offices that have become essential for many residents.
The technology corridor along I-270 employs many Gaithersburg residents who appreciate innovation in their homes as well as their work. These homeowners request cutting-edge electrical systems including comprehensive home automation, whole-house audio, dedicated home theater circuits, and EV charging. We stay current with emerging technologies to serve these forward-thinking clients.
The Rio Lakefront development has transformed the Washingtonian Center area into a vibrant mixed-use destination. We serve both the residential properties throughout Rio and the commercial establishments that have made this area a regional attraction, understanding the different requirements of each property type.
Gaithersburg's diverse housing stock includes significant development from the 1970s through 1990s in neighborhoods like Quince Orchard, Montgomery Village, and Shady Grove. These homes commonly need panel upgrades, GFCI/AFCI updates, and additional circuits to meet modern demands while remaining comfortable family homes for new generations.
AJ Long Electrical serves Gaithersburg with the same commitment to quality and professionalism we bring to every community. When Gaithersburg families need electrical service, they choose the contractor who treats every project as an opportunity to demonstrate excellence.
Fully licensed in Maryland with comprehensive liability insurance for your protection.
Over 1,200 five-star reviews from satisfied customers throughout Gaithersburg and Montgomery County.
Fast response times with same-day service available for Gaithersburg residents.
Get answers to the most frequently asked questions from Gaithersburg homeowners about our electrical services.
Yes! AJ Long Electric proudly serves Gaithersburg and the surrounding Montgomery County area. We have been providing professional electrical services to Gaithersburg 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 Gaithersburg, including Kentlands, Lakelands, Olde Towne, Quince Orchard, Washingtonian, Shady Grove, Montgomery Village, Flower Hill, North Potomac, Diamond Farms, and surrounding areas. Our service trucks are regularly dispatched to Gaithersburg for both scheduled appointments and emergency calls.
For electrical emergencies in Gaithersburg, 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 Olde Towne property electrical updates. New Urbanist home smart home integration. Technology professional home office requirements. These are common issues we address for Gaithersburg 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 Gaithersburg. 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 Gaithersburg electrical project is in qualified hands.
In addition to Gaithersburg, AJ Long Electric provides professional electrical services to these nearby communities in Maryland and the greater DMV region.
Proudly serving Gaithersburg and surrounding areas including Rockville, 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 Gaithersburg area.

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AJ Long Electric is your trusted licensed electrician in Gaithersburg, Maryland. We proudly serve neighborhoods including Kentlands, Lakelands, Olde Towne, Quince Orchard, Washingtonian, and areas near Rio Lakefront, Kentlands, Seneca Creek State Park. Serving ZIP codes: 20877, 20878, 20879, 20882, 20886. Call (703) 997-0026 for a free estimate on all electrical services in Montgomery County.