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Find Electrical wiring or panel upgrade pros in Gaithersburg

Avatar for William G Hyman Electrical Contractor
William G Hyman Electrical Contractor
4.9(
396
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1980

Free estimates

Warranties offered

"Project was upgrading service from 100 to 200 amps, installing new panel, new meter, grounding, and a new drop from the street. I gathered a number of quotes, and by far felt the most comfortable with Mr. Hyman. Plus the price for the job was in line with my expectations. The work was completed quickly and professionally. I'd definitely recommended using them."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

Response time10 hrs
3 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Greenleaf Electric, LLC
Greenleaf Electric, LLC
5.0(
113
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Customers say: True professional

"Gill is a professional and pleasant Master electrician. He handled my FP breaker panel replacement and wiring a new line to break up an overloaded kitchen circuit. His prices are reasonable and his work quality is excellent. I will definitely hire him again for my electrical needs."
Under Cabinet Lighting
Kitchen
Response time1 day
Response rate88%
10 neighbors recently requested a quote
Avatar for Vital Electric
Vital Electric
5.0(
40
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"He was friendly, professional, and, above all, highly knowledgeable about his work. He’s the kind of electrician you’d want to hire for all your electrical needs."
Natural history museum
Island light
Island light
Additional Photos
Additional Photos

+8

Response time6 hrs
Response rate95%
2 neighbors recently requested a quote
JOHN MAX ELECTRIC
5.0(
22
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"I found John Max Electric on Angi and couldn’t be happier with their service. They arrived promptly with a team of three skilled professionals who tackled each of the five electrical issues with precision and efficiency. What really stood out to me was their honesty—there was no price haggling, no upselling, and no push to sign up for a membership. I often feel anxious about hiring companies for repairs because of past experiences with unfair pricing or high-pressure tactics, but John Max Electric was a breath of fresh air. They were professional, fair, and top-notch in every way. If you’re looking for reliable and trustworthy electricians, I highly recommend John Max Electric. They’ve earned my trust and my business for any future electrical!"
Electrical Project
Electrical Project
Electrical Project
Response time1 day
6 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for NEC Electric
NEC Electric
4.9(
13
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"not just professional efficient! Unbelievably fair priced literally less than half of what a major competitor on this site quoted using my own parts and my own wire! Just because there are any energy list doesn’t mean some people won’t try and rip you off and fools will pay it. Mr. NAGY is a professional and very ethical. I’d recommend hiring him again and again!"
Electrical Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

Response time2 days
Response rate93%
24 neighbors recently requested a quote
Avatar for Lemus Electrical Services LLC
Lemus Electrical Services LLC
5.0(
20
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"Lemus Electrical did a great job with my 240 Volt outlet job. This was for adding an electrical stove to the home. Lemus was quick, reasonably priced, and very knowledgeable about the work. I would easily recommend them to others or use them again myself."
Kitchen remodeling
Kitchen remodeling
Kitchen remodeling
Kitchen remodeling
Kitchen remodeling

+24

13 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Ahmad Electrical Service
Ahmad Electrical Service
4.9(
52
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Warranties offered

"Ahmad is a talented electrician with a keen eye for safety and electrical code. He identified and fixed many “good enough” wiring from past contractors, took the time to explain the challenges, and gave me options to resolve it. I am satisfied with his work and would hire him again."
Electrical Project
Electrical Project
Additional Photos
Additional Photos
Additional Photos

+20

Response time1 day
Response rate97%
10 neighbors recently requested a quote
Avatar for D&G Remodeling
D&G Remodeling
5.0(
37
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Warranties offered

"Excellent diagnosis of the work needed. Complete review of external meter and cable rigging needs, upgrade to new panel inside the house and corresponding grounding under the house (crawl space). Very reasonable pricing as well. I’ve hired D&G Remodeling for the work. The Lord is good! Thank you Angi! "
Electrical Project
kitchen remodel
VIENNA KITCHEN REMODEL
FORT WASHIMGTON KITCHEN
ALEXANDRIA  BATHROOM RENOVATION

+50

Response time10 hrs
Response rate93%
7 neighbors recently requested a quote
Avatar for Electrical Connections, LLC
Electrical Connections, LLC
4.8(
35
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1989

Emergency services offered

Warranties offered

"I had a wonderful experience with Electrical Connections. My project ended up being much larger than I anticipated it would be and they were excellent at explaining everything and helping me understand what needed to be done. Customer service was top notch and clearly a priority for everyone I talked to from the scheduler to the owner of the company. Brian was excellent and stayed until the job was done even though it made an extra long day for him. Highly recommended!"
Electrical connections
Electrical connections
Electrical connections
Electrical connections
Electrical connections

+42

Response time4 hrs
Response rate93%
171 neighbors recently requested a quote
Showing 1-10 of 35
FAQs for electrical wiring or panel upgrade projects in Gaithersburg, MD

While homeowners with substantial electrical knowledge might technically attempt a subpanel installation, most local building departments require permits and inspections for this type of work. Professional electricians understand local code requirements, can obtain necessary permits, and ensure the installation meets safety standards. Given the significant safety risks associated with incorrect electrical work, most homeowners benefit from hiring a licensed professional.

A standard subpanel installation takes an average of four to eight hours. This timeframe may extend if you're installing multiple subpanels or adding specialized circuits like those for spa equipment. Factors such as difficult access points, complex wiring paths, or permit processing times can also affect the overall project duration.

Adding a subpanel doesn't directly reduce electricity consumption or lower your utility bills. A subpanel simply redistributes power from your main panel to additional circuits. However, organizing your electrical system more efficiently may help prevent overloaded circuits and the associated problems. For actual cost savings, consider energy-efficient appliances and lighting instead.

The appropriate subpanel size depends on your specific electrical requirements. Consider the number and type of devices you'll be powering, potential future needs, and the capacity of your main electrical panel. An electrician can perform a load calculation to determine the most suitable amperage rating for your situation, ensuring you have adequate power without overpaying for unnecessary capacity.

A main electrical panel connects directly to your utility's power supply and contains your home's primary service disconnect. It distributes electricity throughout your entire house. A subpanel, by contrast, receives power from the main panel and redistributes it to a specific area of your home. Think of the main panel as the primary distribution point and the subpanel as a secondary branch that extends your electrical system's reach.

While electrical upgrades aren't as immediately visible as kitchen or bathroom renovations, they can contribute to your home's functionality and safety. Prospective buyers often appreciate updated electrical systems that can accommodate modern power demands. A properly installed subpanel that provides additional capacity for workshops, home offices, or future expansions could be an attractive feature for certain buyers, though the direct impact on home value varies by market.

The Gaithersburg, MD homeowners’ guide to electrical wiring or panel upgrades

From average costs to expert advice, get all the answers you need to get your job done.