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Find Electrical for home addition or remodel installers in Bethesda

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
12 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
5 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.


Green's Electric

5.00(
13
)
Approved Pro

Green's Electric

5.00(
13
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
31 local quotes requested

Electrical Service & Repairs - We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Excellent work and professionalism. Reasonable prices. "

Carl C on November 2025

Electrical Service & Repairs - We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Excellent work and professionalism. Reasonable prices. "

Carl C on November 2025


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
Super Service Award
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
46 years of experience

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 D&G Remodeling

D&G Remodeling

5.00(
35
)
Approved Pro

D&G Remodeling

5.00(
35
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

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


Avatar for AMEW Electrical Services

AMEW Electrical Services

4.98(
69
)
Approved Pro

AMEW Electrical Services

4.98(
69
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
19 local quotes requested

AMEW Electrical is a licensed and insured company with expertise in a variety of electrical work and related areas. We are also Certified Tesla Wall charger installers. The methods we employ are modern and reliable. We use the latest technology to seamlessly execute your project and will be glad to explain the work we are performing in easy-to-understand terms. We will get right to the point and won't confuse you with professional terminology. We guarantee quality work and courteous customer service, before as well as after the job. For more information and a list of our services, please visit our website at www.amewelectrical.com Thanks, we look forward to serving you!

"Kenny did replace our home entry foyer high ceiling light. He was very honest and professional with his availability. Impressed with the quality of service that was provided. "

Prasanna S on December 2025

AMEW Electrical is a licensed and insured company with expertise in a variety of electrical work and related areas. We are also Certified Tesla Wall charger installers. The methods we employ are modern and reliable. We use the latest technology to seamlessly execute your project and will be glad to explain the work we are performing in easy-to-understand terms. We will get right to the point and won't confuse you with professional terminology. We guarantee quality work and courteous customer service, before as well as after the job. For more information and a list of our services, please visit our website at www.amewelectrical.com Thanks, we look forward to serving you!

"Kenny did replace our home entry foyer high ceiling light. He was very honest and professional with his availability. Impressed with the quality of service that was provided. "

Prasanna S on December 2025


"The job was done, timely, effectively, and efficiently. I am very pleased with Mr. Lloyd’s services. I would highly recommend his services, he took the time to explain in detail what was necessary to complete the project, as a layperson I greatly appreciated his knowledge and expertise."

Apryl J on May 2023

My name is Lloyd and I am a master electrician. I have been doing electrical work for the past 23 years. Just decided to open my own company. My work entails from electrical service to customs homes

"The job was done, timely, effectively, and efficiently. I am very pleased with Mr. Lloyd’s services. I would highly recommend his services, he took the time to explain in detail what was necessary to complete the project, as a layperson I greatly appreciated his knowledge and expertise."

Apryl J on May 2023


Avatar for Mr. Electric of Fort Washington

Mr. Electric of Fort Washington

5.00(
4
)
Approved Pro

Mr. Electric of Fort Washington

5.00(
4
)
Approved Pro
11 local quotes requested
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the 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 in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the 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.


"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
101 years of experience
Free onsite estimate

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

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FAQs for electrical for home addition or remodel installation projects in Bethesda, 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 Bethesda, 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.