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Find Electrical wiring or panel upgrade pros in Gaithersburg

Avatar for One Source, LLC

One Source, LLC

5.00(
5
)
Approved Pro

One Source, LLC

5.00(
5
)
Approved Pro
Customers say: Quick response
11 years of experience
Free onsite estimate

One Source Systems is one of the premier custom integrators in the greater Washington D.C. area. We are focused on an elevated client experience and meeting your needs for Smart Home design, including experiential elements such as lighting, shades and incredible dedicated theater and Audio/Video solutions. With over 10 years of experience in the audio industry, we are the experts you need to take care of your home or business. We will treat your home as we would treat our own. Give One Source a call today - we look forward to working with you!

"They stayed all day arriving at like 10:00am to get the job done and didn’t leave until like 11:30pm"

Steve B on July 2021

One Source Systems is one of the premier custom integrators in the greater Washington D.C. area. We are focused on an elevated client experience and meeting your needs for Smart Home design, including experiential elements such as lighting, shades and incredible dedicated theater and Audio/Video solutions. With over 10 years of experience in the audio industry, we are the experts you need to take care of your home or business. We will treat your home as we would treat our own. Give One Source a call today - we look forward to working with you!

"They stayed all day arriving at like 10:00am to get the job done and didn’t leave until like 11:30pm"

Steve B on July 2021


Avatar for DELTA Electric, LLC

DELTA Electric, LLC

5.00(
2
)
Approved Pro

DELTA Electric, LLC

5.00(
2
)
Approved Pro
4 years of experience
Free onsite estimate

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.


Avatar for Three Brothers Services, LLC

Three Brothers Services, LLC

4.97(
57
)
Approved Pro

Three Brothers Services, LLC

4.97(
57
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! Licensed & Bonded Maryland Home Improvement #141947 Maryland Master Electrician #14130 Virginia Master Electrician #2710073038

"Three Brothers is the best. We have hired Saul and team for several electrical projects both big and small over the past few years. They have never disappointed. Highly recommend for any electrical needs."

David G on July 2023

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! Licensed & Bonded Maryland Home Improvement #141947 Maryland Master Electrician #14130 Virginia Master Electrician #2710073038

"Three Brothers is the best. We have hired Saul and team for several electrical projects both big and small over the past few years. They have never disappointed. Highly recommend for any electrical needs."

David G on July 2023


Avatar for GAC Services

GAC Services

4.86(
268
)
Approved Pro

GAC Services

4.86(
268
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
455 local quotes requested

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak U on February 2025

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak U on February 2025


JOHN MAX ELECTRIC

5.00(
21
)
Approved Pro

JOHN MAX ELECTRIC

5.00(
21
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
81 local quotes requested

We specialize in electrical services, repairs, installs, lighting, panel upgrades, generator installations, solar, power, ceiling fans, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"Very prompt in servicing my issues. Took time to explain and show me what they were doing and even what I needed to do."

Tancine C on July 2025

We specialize in electrical services, repairs, installs, lighting, panel upgrades, generator installations, solar, power, ceiling fans, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"Very prompt in servicing my issues. Took time to explain and show me what they were doing and even what I needed to do."

Tancine C on July 2025


Avatar for BBA ELECTRIC SOLUTIONS L.L.C.

BBA ELECTRIC SOLUTIONS L.L.C.

5.00(
8
)
Approved Pro

BBA ELECTRIC SOLUTIONS L.L.C.

5.00(
8
)
Approved Pro
13 years of experience
Free onsite estimate

At BBA Electric Solutions, we provide reliable and professional electrical services throughout Frederick and the surrounding areas. With over 10 years of experience, we specialize in residential and light commercial work, offering safe, code-compliant installations and honest pricing every time. We handle everything from service upgrades and troubleshooting to lighting design, EV charger installations, and full renovations. Whether it’s a quick repair or a full electrical upgrade, we treat every job with care and respect for your home or business. Licensed & insured | Free estimates | Quality work guaranteed

"Great service! Richard arrived quickly, diagnosed the issue right away, and clearly explained what happened. Fast, professional, and easy to work with. Highly recommend!"

Smokey W on December 2025

At BBA Electric Solutions, we provide reliable and professional electrical services throughout Frederick and the surrounding areas. With over 10 years of experience, we specialize in residential and light commercial work, offering safe, code-compliant installations and honest pricing every time. We handle everything from service upgrades and troubleshooting to lighting design, EV charger installations, and full renovations. Whether it’s a quick repair or a full electrical upgrade, we treat every job with care and respect for your home or business. Licensed & insured | Free estimates | Quality work guaranteed

"Great service! Richard arrived quickly, diagnosed the issue right away, and clearly explained what happened. Fast, professional, and easy to work with. Highly recommend!"

Smokey W on December 2025


Emerson

5.00(
9
)
Approved Pro

Emerson

5.00(
9
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
69 local quotes requested

Our mission is to be an electrical contractor that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Dependable, high quality work."

Howard M on April 2025

Our mission is to be an electrical contractor that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Dependable, high quality work."

Howard M on April 2025


Avatar for Absolute Electric LLC

Absolute Electric LLC

4.90(
815
)
Approved Pro

Absolute Electric LLC

4.90(
815
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
248 local quotes requested

I am passionate about and take pride in my craft. Our philosophy is to treat your home or place of business as if it were our own. If you are not satisfied with our service, please contact me or our Service Manager, Rob, because our goal is your satisfaction. We want you as a customer for life, not just to make a quick buck. Call us today at 571.525.2823, as we look forward to discussing your electrical needs. Regards, Shauwn Collins, Owner

"Excellent and professional service. I would highly recommend Absolute Electric."

Brenda L on October 2025

I am passionate about and take pride in my craft. Our philosophy is to treat your home or place of business as if it were our own. If you are not satisfied with our service, please contact me or our Service Manager, Rob, because our goal is your satisfaction. We want you as a customer for life, not just to make a quick buck. Call us today at 571.525.2823, as we look forward to discussing your electrical needs. Regards, Shauwn Collins, Owner

"Excellent and professional service. I would highly recommend Absolute Electric."

Brenda L on October 2025


Avatar for Lemus Electrical Services LLC

Lemus Electrical Services LLC

5.00(
19
)
Approved Pro

Lemus Electrical Services LLC

5.00(
19
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
40 local quotes requested

Lemus Electrical Services LLC. We are a family company with 10 years of experience in the electrical market, which gives us the experience to be able to carry out all residential and commercial electrical work. For us there is no such thing as a small job, we put the same passion and professionalism into each job we do because we are sure that it is the basis for maintaining an excellent relationship with our clients. Best regards, Julio L. (Owner)

"Lemus Electrical was very responsive when we had a three-day outage. A technician came the same day I called, and came back one day later with 3 others to install a new electrical panel - which had been ruined by a transformer blowout. They were very professional, did very good work, and were cheerful about it all. I will definitely call them again, the next time we need electrical work!"

Beverly R on May 2025

Lemus Electrical Services LLC. We are a family company with 10 years of experience in the electrical market, which gives us the experience to be able to carry out all residential and commercial electrical work. For us there is no such thing as a small job, we put the same passion and professionalism into each job we do because we are sure that it is the basis for maintaining an excellent relationship with our clients. Best regards, Julio L. (Owner)

"Lemus Electrical was very responsive when we had a three-day outage. A technician came the same day I called, and came back one day later with 3 others to install a new electrical panel - which had been ruined by a transformer blowout. They were very professional, did very good work, and were cheerful about it all. I will definitely call them again, the next time we need electrical work!"

Beverly R on May 2025


Avatar for Clinton Electric Company, Inc.

Clinton Electric Company, Inc.

4.26(
145
)
Approved Pro

Clinton Electric Company, Inc.

4.26(
145
)
Approved Pro
Customers say: Quality work
198 local quotes requested
56 years of experience

For 50 years and two generations, Clinton Electric Company, Inc., has been the premier electrical contractor in Maryland. Since 1969, we have taken great pride in providing excellent electrical service to over 50,000 loyal customers in the Greater Baltimore area. With over 80% of our business coming from repeat customers and referrals, we take that as a great vote of confidence in Clinton Electric!

"Charged me nearly twice as much as the quoted price, apparently 500+the cost of an outlet is $900, a price that was never said out loud. What a scam. I should have read the reviews. These guys charge an arm and a leg to replace an outlet. Not to mention I never received my receipt, even after emailing them and requesting it be sent."

Joshua R on October 2025

For 50 years and two generations, Clinton Electric Company, Inc., has been the premier electrical contractor in Maryland. Since 1969, we have taken great pride in providing excellent electrical service to over 50,000 loyal customers in the Greater Baltimore area. With over 80% of our business coming from repeat customers and referrals, we take that as a great vote of confidence in Clinton Electric!

"Charged me nearly twice as much as the quoted price, apparently 500+the cost of an outlet is $900, a price that was never said out loud. What a scam. I should have read the reviews. These guys charge an arm and a leg to replace an outlet. Not to mention I never received my receipt, even after emailing them and requesting it be sent."

Joshua R on October 2025

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FAQs for electrical wiring or panel upgrade projects in Gaithersburg, MD

Warning signs that indicate potential service line problems include frequent circuit breaker trips, flickering lights throughout your home, buzzing sounds from your electrical panel, or visible damage to exterior wiring. If your home has an older electrical panel (25+ years) or you notice a burning smell near your electrical connections, contact a licensed electrician promptly to evaluate your system's condition.

Responsibility for electrical service lines is divided between the utility company and the homeowner. The utility maintains everything up to the connection point at your property (often the weatherhead or meter), while you're responsible for the service entrance cables, meter base, and all wiring beyond. Contact your specific utility provider to understand exactly where their responsibility ends and yours begins.

A standard electrical service line replacement takes one to two hours for a straightforward installation. This timeline may extend if complications arise or additional electrical work is performed simultaneously. The process includes disconnecting power, removing old wiring, installing new components, and restoring service. Allow additional time for scheduling inspections and obtaining necessary permits.

Most standard homeowners' insurance policies don't cover electrical service line replacement due to normal aging or gradual deterioration. However, damage caused by covered perils like lightning strikes, fires, or fallen trees may qualify for insurance coverage. Some insurance companies offer specific service line coverage as an optional add-on to standard policies. Review your policy details or consult with your insurance agent to understand your specific coverage options.

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.