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Find Electrical for home addition or remodel installers in Gaithersburg

Avatar for Craft Light Electric

Craft Light Electric

4.83(
6
)
Approved Pro

Craft Light Electric

4.83(
6
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

Contact Craft Light's service department today for any small to medium size electrical projects you may have. We have professional technicians ready to help out with around the house and office repairs. For your convenience Craft Light uses HouseCall Pro to book estimates, schedule service work, invoice customers, and receive credit card payments.

"I would use them again."

Farrand P on February 2024

Contact Craft Light's service department today for any small to medium size electrical projects you may have. We have professional technicians ready to help out with around the house and office repairs. For your convenience Craft Light uses HouseCall Pro to book estimates, schedule service work, invoice customers, and receive credit card payments.

"I would use them again."

Farrand P on February 2024


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 William G Hyman Electrical Contractor

William G Hyman Electrical Contractor

4.89(
396
)
Approved Pro

William G Hyman Electrical Contractor

4.89(
396
)
Approved Pro
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
60 local quotes requested

Voted Best service for over 50 years. Our trained experienced electricians can offer you a full range electrical work from expert troubleshooting & repair of electrical systems, installation of new outlets, switches, lighting and other electrical installation services. Whether it is one light fixture or a comprehensive wiring service upgrade or Heavy-Up, we have the necessary tools, knowledge and experience to turn your plan into reality. For immediate service or help answering any questions, please don't hesitate to call 301-622-1777 or email us directly. service@hymanelectric.com

"I was very satisfied with the service provided by the William Hyman Electrical Contractor team. The electricians were very professional and efficient. They resolved the electrical issues in a timely manner. Very respectful of home and family members. I would highly recommend this company."

zetta l on August 2025

Voted Best service for over 50 years. Our trained experienced electricians can offer you a full range electrical work from expert troubleshooting & repair of electrical systems, installation of new outlets, switches, lighting and other electrical installation services. Whether it is one light fixture or a comprehensive wiring service upgrade or Heavy-Up, we have the necessary tools, knowledge and experience to turn your plan into reality. For immediate service or help answering any questions, please don't hesitate to call 301-622-1777 or email us directly. service@hymanelectric.com

"I was very satisfied with the service provided by the William Hyman Electrical Contractor team. The electricians were very professional and efficient. They resolved the electrical issues in a timely manner. Very respectful of home and family members. I would highly recommend this company."

zetta l on August 2025


Avatar for Greenleaf Electric, LLC

Greenleaf Electric, LLC

4.95(
108
)
Approved Pro

Greenleaf Electric, LLC

4.95(
108
)
Approved Pro
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
13 local quotes requested

We offer over 20 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation of wiring for additions and remodels. We also specialize in home standby generator installations, panel upgrades, recessed lighting, smart lighting, Voice/Data/Access Control/CCTV, and much much more. We take pride in our quality of work and our commitment to outstanding results. We are committed to providing personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"I hired Greenleaf to install a Chargepoint EV charger in my garage. Gil did a great job all the way from the initial communication through the install and follow-up. His work was of excellent quality and his prices were fair and reasonable. I'll definitely hire Greenleaf next time I need any electrical work done."

Andy R on November 2025

We offer over 20 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation of wiring for additions and remodels. We also specialize in home standby generator installations, panel upgrades, recessed lighting, smart lighting, Voice/Data/Access Control/CCTV, and much much more. We take pride in our quality of work and our commitment to outstanding results. We are committed to providing personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"I hired Greenleaf to install a Chargepoint EV charger in my garage. Gil did a great job all the way from the initial communication through the install and follow-up. His work was of excellent quality and his prices were fair and reasonable. I'll definitely hire Greenleaf next time I need any electrical work done."

Andy R on November 2025


Avatar for Sansbury Electric

Sansbury Electric

5.00(
8
)
Approved Pro

Sansbury Electric

5.00(
8
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
26 local quotes requested

Sansbury Electric is a small, locally-owned business, with over 30 years of experience that have served Washington, D.C, Maryland, Virginia and Delaware since 2010. Our team is known for our high-quality electrical services with a team that delivers a client-focused experience.

"Easy to schedule, easy to pay. Good customer service."

Monika J on May 2025

Sansbury Electric is a small, locally-owned business, with over 30 years of experience that have served Washington, D.C, Maryland, Virginia and Delaware since 2010. Our team is known for our high-quality electrical services with a team that delivers a client-focused experience.

"Easy to schedule, easy to pay. Good customer service."

Monika J on May 2025


Avatar for D&G Remodeling

D&G Remodeling

5.00(
35
)
Approved Pro

D&G Remodeling

5.00(
35
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
103 local quotes requested

Electric company established in 2016. Family owned. Commercial and residential electrical repairs & new installations. Renovations & additions. Main panel upgrades, low voltage lighting installations, car charging stations, and lot 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!

"They were great—came out same day, reasonable price, and they were very nice and easy to work with. Will def use again for any electrical needs."

Ellie F on August 2025

Electric company established in 2016. Family owned. Commercial and residential electrical repairs & new installations. Renovations & additions. Main panel upgrades, low voltage lighting installations, car charging stations, and lot 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!

"They were great—came out same day, reasonable price, and they were very nice and easy to work with. Will def use again for any electrical needs."

Ellie F on August 2025


"I couldn't have asked for a better experience. They were hired to replace the main electrical panel/breakers at my elderly mother's home. Roni, the electrician, was a wonderful communicator, and was very knowledgeable and thorough in completing the job and in putting her at ease. The price was very reasonable. I will be using Nasr Electric in my own home, as well as recommending them to all my friends and family in the DMV area."

Katherine G on August 2025

Family Owned and Operated. Please call us and you'll be able to talk to our master electrician. To fix any electrical issue at your home or business, you will need a trusted good quality electricians

"I couldn't have asked for a better experience. They were hired to replace the main electrical panel/breakers at my elderly mother's home. Roni, the electrician, was a wonderful communicator, and was very knowledgeable and thorough in completing the job and in putting her at ease. The price was very reasonable. I will be using Nasr Electric in my own home, as well as recommending them to all my friends and family in the DMV area."

Katherine G on August 2025


Avatar for Kolb Electric Inc

Kolb Electric Inc

4.38(
200
)
Approved Pro

Kolb Electric Inc

4.38(
200
)
Approved Pro
Customers say: Super punctual
150 local quotes requested
100 years of experience

We are a family owned and operated business that has been serving the Baltimore, Washington Metropolitan area since 1925. We are committed to providing superior electrical services. The valuable advantages we can offer you are great service, high quality and experienced workers at a competitive price.

"Do not use this company. They will rip you off. The contract was for eight 300W LED 40 ft pole lights, but I caught them redhanded installing 240W. Who does that? Then, they broke my lock and broke into my sprinkler room which I saw on my video which they admitted. Then, Kolb sued me for not paying the bill which I disputed due to lost tools as result of the break-in. Who does that breaking into a customer's sprinkler room and not informing that they did. I had to catch them on my video. Not only that it took over one year to the work proposed work. TOTAL FRAUD. I will be going to court...."

John A on November 2023

We are a family owned and operated business that has been serving the Baltimore, Washington Metropolitan area since 1925. We are committed to providing superior electrical services. The valuable advantages we can offer you are great service, high quality and experienced workers at a competitive price.

"Do not use this company. They will rip you off. The contract was for eight 300W LED 40 ft pole lights, but I caught them redhanded installing 240W. Who does that? Then, they broke my lock and broke into my sprinkler room which I saw on my video which they admitted. Then, Kolb sued me for not paying the bill which I disputed due to lost tools as result of the break-in. Who does that breaking into a customer's sprinkler room and not informing that they did. I had to catch them on my video. Not only that it took over one year to the work proposed work. TOTAL FRAUD. I will be going to court...."

John A on November 2023


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
117 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

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FAQs for electrical for home addition or remodel installation projects in Gaithersburg, MD

There are several telltale signs that your home is due for an electrical upgrade. You may need to rewire your house if your lights are constantly flickering or your circuit breaker keeps tripping. If you feel mild electric shocks when you touch light switches, hear buzzing sounds, or notice burning smells, you may need to rewire your house, too. Discolored or burnt-looking switches and faceplates are another crucial warning sign. 

Properly installed copper wiring in a residential property can last as long as 50 to 100 years in some cases, but many homes over 30 years old are due for an upgrade. That’s the timeline that many experts recommend, even if it is only a partial update to accommodate technological advancements, increased power demands, and changing safety requirements. 

At $3 to $5 per square foot, the cost to wire a 2,000-square-foot house ranges from $6,000 to $10,000, on average. This can depend on many factors, like the age and complexity of the house and how easy it is for contractors to access the areas they need to get the job done. Opening and repairing walls can further add to your total cost. 

The Gaithersburg, MD homeowners’ guide to electrical for home addition or remodel installations

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