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Top-Rated Electrical wiring or panel upgrade pros in Kensington - Updated Nov 2026

Avatar for Nasr Electric Inc
Nasr Electric Inc
4.9(
276
)
Electrical Wiring or Panel Upgrade

Serving Kensington, MD and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"Nasr is wonderful! His guys did a great job with the panel which was old and as it turned out, replaced just in the nick of time as there were melted parts inside that could have started a fire! The wrong surge protector was installed so Nasr came back to put in the correct one. He is very friendly, communicative and easy to work with and does high quality work. I'm very happy with my new electrical panel."
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+19

Response time5 days
Response rate100%
Recommended by97%of homeowners
Avatar for William G Hyman Electrical Contractor
William G Hyman Electrical Contractor
4.8(
440
)
Electrical Wiring or Panel Upgrade

Serving Kensington, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1980

Free estimates

Warranties offered

"Excellent. William G Hyman himself called in the morning and once he had diagnosed the likely cause over the phone, shifted schedules to get two of his electricians to the house that afternoon. They diagnosed the situation and upgraded the kitchen electrical outlets efficiently and at a reasonable price point. Highly recommend!"
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+6

Response time10 hrs
2 neighbors recently requested a quote
Recommended by96%of homeowners
Green's Electric
5.0(
25
)
Electrical Wiring or Panel Upgrade

Serving Kensington, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"I recently had an electrical issue in my bedroom and contacted Green's Electric and Plumbing. I was impressed by their prompt response and professionalism. They quickly diagnosed the problem and efficiently resolved it, ensuring the safety of my home. Their expertise and attention to detail were evident throughout the process. I highly recommend Green's Electric and Plumbing for any electrical needs. Thank you for the outstanding service!"
Response time1 day
Response rate100%
22 neighbors recently requested a quote
Avatar for Three Brothers Services, LLC
Three Brothers Services, LLC
4.9(
64
)
Electrical Wiring or Panel Upgrade

Serving Kensington, MD and surrounding areas

Approved

In business since 2009

Emergency services offered

Warranties offered

"Saul and Three Brothers services did a fantastic job upgrading our electrical panel. Saul explained everything throughout, agreed to do the work on a Saturday to accommodate our schedule, and was just generally very customer service oriented. We couldnâ t have asked for anything more. Highly recommend for electrical needs."
Tesla Wall Connector
Tesla Wall Connector
200amps Heavy Up
Hot Tub Wiring Installation
Hot Tub

+2

Response time7 hrs
Recommended by100%of homeowners
Avatar for Hands on Electric
Hands on Electric
5.0(
11
)
Electrical Wiring or Panel Upgrade

Serving Kensington, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Kevin Williams was sent to repair problems created by another electrician hired by Kitchen Saver during an expansive kitchen re-face and cabinet installation. Among other things, he re-located an unsightly transformer that had been previously secured to the inside of the first shelf of a main kitchen cabinet to a lower cabinet out of sight. Voila! Then, he re-routed unsightly wiring previously clamped to the far corner of a glass display cabinet so that it was out of sight. These were difficult puzzles to solve, as the new cabinets had already been installed and there was no longer easy access. Kevin was friendly, professional, and experienced! Great job!"
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+6

Recommended by100%of homeowners
Avatar for Electrical Connections, LLC
Electrical Connections, LLC
4.3(
43
)
Electrical Wiring or Panel Upgrade

Serving Kensington, 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%
11 neighbors recently requested a quote
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FAQs for electrical wiring or panel upgrade projects in Kensington, MD

Yes, a licensed electrician is essential for this project. Running an electrical service from the road to your house involves connecting to utility power lines, complying with national and local electrical codes, and safely handling high-voltage systems. 

Licensed professionals understand proper wire sizing, grounding requirements, and voltage drop calculations needed for safe installation. Most jurisdictions require permits and inspections that only certified professionals can obtain. The safety risks and potential for property damage make this project inappropriate for DIY attempts.

Overhead installations are less expensive than underground options. For a 1000-foot run, overhead service costs between $8,000 and $15,000, while underground service ranges from $10,000 to $25,000. 

Overhead lines require less labor and fewer materials since they don't need trenching or conduit. However, underground lines offer better protection from weather events and aesthetic benefits. Your decision should balance your budget constraints with long-term reliability and visual preferences.

You might need to upgrade your electrical panel depending on your power requirements. If your existing panel cannot handle the additional load from the extended service, upgrading to a 200-amp service (costing $750 to $2,000) may be necessary. 

A licensed electrician can evaluate your current system and determine if an upgrade is required. Factors include what you'll be powering at the end of the line, existing electrical demand, and whether voltage drop over the distance will affect performance.

Running electric service from the road to a house requires electrical permits from your local building department, costing between $500 and $2,000 depending on your location. You may also need excavation permits for trenching work if installing an underground service. Your utility company will have its own application process for connecting to its grid. A licensed electrical contractor can handle all the necessary permit applications as part of their service, ensuring your installation meets all local code requirements.

The Kensington, 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.