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Find Electrical wiring or panel upgrade pros in Bethesda

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

Serving Bethesda, 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 Bethesda, 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
JOHN MAX ELECTRIC
5.0(
22
)

Serving Bethesda, 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 Vital Electric
Vital Electric
5.0(
38
)

Serving Bethesda, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"I hired Vital Electric to assess and fix multiple electrical issues in my new home. Lidwing quickly resolved a reversed polarity outlet, corrected a double-fed garage circuit, and addressed a panel safety concern—all within a two-hour window. Professional, efficient, and knowledgeable. Highly recommend."
Natural history museum
Island light
Island light
Additional Photos
Additional Photos

+8

Response time6 hrs
Response rate95%
2 neighbors recently requested a quote
Avatar for NEC Electric
NEC Electric
4.9(
13
)

Serving Bethesda, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"It was very easy to work with Joe to finalize a quote and get the job scheduled. Once onsite, Carlos and his colleague knew exactly what to do and how to run the new electric circuit across the house from the electrical panel to the garage. The installed the EV charger we had purchased separately exactly how we wanted it. Everything worked perfectly. They even went the extra mile to come back and patch the garage drywall where they had made a few holes to run the cable even though it was not included in the job initially. Overall very happy with both the price we paid and the quality of the work. Will hire again for any electrical work we'll need."
Electrical Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

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

Serving Bethesda, 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 D&G Remodeling
D&G Remodeling
5.0(
37
)

Serving Bethesda, 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 AMEW Electrical Services
AMEW Electrical Services
5.0(
70
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2011

Free estimates

Small jobs welcome

"AMEW Electrical was a very professional outfit. Arrived on time and completed the job and cleaned up. I will be using AMEW Electrical for ALL my electrical work. And they are a Veteran owned company. Thank you AMEW. Anthony Mathis Realtor"
Traditional kitchen with medium stained wood cabinetry, light granite countertop, and black kitchen appliances
Existing chandelier
Existing chandelier
Traditional kitchen with granite countertop, tile backsplash, and medium stained wood cabinetry
15 light chandelier

+71

Response time1 day
11 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Electrical Connections, LLC
Electrical Connections, LLC
4.8(
35
)

Serving Bethesda, 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%
200 neighbors recently requested a quote
Showing 1-10 of 36
FAQs for electrical wiring or panel upgrade projects in Bethesda, 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 Bethesda, 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.