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Find Electrical wiring or panel upgrade pros in Brentwood

Avatar for TFC ELECTRIC, INC.

TFC ELECTRIC, INC.

4.99(
197
)
Approved Pro

TFC ELECTRIC, INC.

4.99(
197
)
Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
32 years of experience

5-Star Excellence at TFC Electric Inc. We pride ourselves on achieving a 5-STAR rating on GOOGLE because customer satisfaction is more than just a goal – it's a core commitment. We invite you to explore our reviews and discover what our esteemed customers have to say about their experiences. Services include: New Construction: Bring your vision to life with our expert electrical wiring and installation services for new constructions. • Electrical Repairs • Electrical Inspections • Generator Installation • Electrical Service Panel Upgrades: Upgrade your electrical system for increased safety and efficiency. 100Amp, 200Amp panel upgrades • Meter installations or replacements • Landscape and Outdoor Lighting • Troubleshooting Power Outages: We identify and address electrical issues promptly to restore power to your home. • Pool/Hot Tub Connections • Circuit Breakers: Installation, repair, and maintenance • Electrical Wiring and Repairs • Lighting indoor/outdoor • Appliance connections • Undercounter lighting: • EV charge stations: Contact TFC Electric Inc. for Free estimates at 631-589-2800

"Great product install"

Pradeep S on July 2024

5-Star Excellence at TFC Electric Inc. We pride ourselves on achieving a 5-STAR rating on GOOGLE because customer satisfaction is more than just a goal – it's a core commitment. We invite you to explore our reviews and discover what our esteemed customers have to say about their experiences. Services include: New Construction: Bring your vision to life with our expert electrical wiring and installation services for new constructions. • Electrical Repairs • Electrical Inspections • Generator Installation • Electrical Service Panel Upgrades: Upgrade your electrical system for increased safety and efficiency. 100Amp, 200Amp panel upgrades • Meter installations or replacements • Landscape and Outdoor Lighting • Troubleshooting Power Outages: We identify and address electrical issues promptly to restore power to your home. • Pool/Hot Tub Connections • Circuit Breakers: Installation, repair, and maintenance • Electrical Wiring and Repairs • Lighting indoor/outdoor • Appliance connections • Undercounter lighting: • EV charge stations: Contact TFC Electric Inc. for Free estimates at 631-589-2800

"Great product install"

Pradeep S on July 2024


Avatar for Shamrock Electric Co Inc

Shamrock Electric Co Inc

4.97(
302
)
Approved Pro

Shamrock Electric Co Inc

4.97(
302
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
34 years of experience

We are a small personal electrical contracting company that have been in business since 1992. Serving all of Long Island. Trained in Ireland then moved to Long Island to live the American dream of starting a my own business.Owner is on each job from start to finish.We also work with many General contractors that build houses, kitchens and bathrooms. Member of Suffolk County Electrical Contractors Association

"I highly recommend Mike and Shamrock Electric. Replaced my panel in the past and helped me out recently on very short notice. As usual did an excellent job, neatly and efficiently. Mike is extremely knowledgeable, professional and courteous. 5 stars!"

steve . on October 2025

We are a small personal electrical contracting company that have been in business since 1992. Serving all of Long Island. Trained in Ireland then moved to Long Island to live the American dream of starting a my own business.Owner is on each job from start to finish.We also work with many General contractors that build houses, kitchens and bathrooms. Member of Suffolk County Electrical Contractors Association

"I highly recommend Mike and Shamrock Electric. Replaced my panel in the past and helped me out recently on very short notice. As usual did an excellent job, neatly and efficiently. Mike is extremely knowledgeable, professional and courteous. 5 stars!"

steve . on October 2025


"Cole was great - punctual, reasonably priced, professional and personable. Did a very excellent job in our home. Would highly recommend!"

Jeanette F on October 2025

About 16 years

"Cole was great - punctual, reasonably priced, professional and personable. Did a very excellent job in our home. Would highly recommend!"

Jeanette F on October 2025


Avatar for BQ Electric Inc

BQ Electric Inc

4.94(
370
)
Approved Pro

BQ Electric Inc

4.94(
370
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
13 years of experience

** '13, '14, '15, '16, '17 & '18 SUPER SERVICE AWARD WINNER **. Named "Service Provider of the Year" by Angie's List, 2013. Welcome to "Long Island's most respected leader in electrical home improvements". Our team takes pride in our 110% customer satisfaction guarantee. We feel the best compliment you can get as a company is a recommendation to a satisfied customer's friend or family member. All our jobs start off with a written estimate and a visit to your home/job to review the details. We understand that your time is very valuable so all our appointments are confirmed the night before and again 15 minutes prior to our arrival. All of our work and material is warranted for 1 year. Give us the opportunity to impress you, and we won't let you down! So, please call us today and set up a free estimate for your next project.

"From start to finish, Best Quality Electric delivered an exceptional, white-glove experience. The process began with a dedicated consultation that was educational, detailed, and thoughtfully planned—setting a clear vision before any work even began. The following day, the team arrived precisely on time and immediately demonstrated a level of professionalism that is rare to find. Shoe protection was used, and every floor and piece of furniture was carefully covered. Their respect for the home was as impressive as their craftsmanship. Watching the two electricians work was remarkable. They operated in perfect sequence, anticipating each other’s next step, covering every single detail with precision. Not one question went unanswered—each was met with patience, clarity, and deep expertise that inspired complete confidence. Best Quality Electric truly lives up to its name. This is not just electrical work—it’s a refined, high-standard service experience. Bold, meticulous Toptier work! "

Lorraine C on January 2026

** '13, '14, '15, '16, '17 & '18 SUPER SERVICE AWARD WINNER **. Named "Service Provider of the Year" by Angie's List, 2013. Welcome to "Long Island's most respected leader in electrical home improvements". Our team takes pride in our 110% customer satisfaction guarantee. We feel the best compliment you can get as a company is a recommendation to a satisfied customer's friend or family member. All our jobs start off with a written estimate and a visit to your home/job to review the details. We understand that your time is very valuable so all our appointments are confirmed the night before and again 15 minutes prior to our arrival. All of our work and material is warranted for 1 year. Give us the opportunity to impress you, and we won't let you down! So, please call us today and set up a free estimate for your next project.

"From start to finish, Best Quality Electric delivered an exceptional, white-glove experience. The process began with a dedicated consultation that was educational, detailed, and thoughtfully planned—setting a clear vision before any work even began. The following day, the team arrived precisely on time and immediately demonstrated a level of professionalism that is rare to find. Shoe protection was used, and every floor and piece of furniture was carefully covered. Their respect for the home was as impressive as their craftsmanship. Watching the two electricians work was remarkable. They operated in perfect sequence, anticipating each other’s next step, covering every single detail with precision. Not one question went unanswered—each was met with patience, clarity, and deep expertise that inspired complete confidence. Best Quality Electric truly lives up to its name. This is not just electrical work—it’s a refined, high-standard service experience. Bold, meticulous Toptier work! "

Lorraine C on January 2026


Avatar for American Electrical Standard

American Electrical Standard

4.98(
93
)
Approved Pro

American Electrical Standard

4.98(
93
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
9 years of experience

We are a licensed and insured Veteran owned and operated business. We do all phases of electrical work. From installing an outlet, light, ceiling fan, changing out a panel, pools, kitchen remodels, extensions, new builds and commercial projects. We look forward to providing you the highest quality of electrical work at a competitive price. We are now offering Starlink installations, call for more details.

"The price was reasonable and Steve M. gave me an electrical checkup and fixed the wires. I would use him again and I would refer him to my friends and family if they need an electrician. "

CINDY B on January 2026

We are a licensed and insured Veteran owned and operated business. We do all phases of electrical work. From installing an outlet, light, ceiling fan, changing out a panel, pools, kitchen remodels, extensions, new builds and commercial projects. We look forward to providing you the highest quality of electrical work at a competitive price. We are now offering Starlink installations, call for more details.

"The price was reasonable and Steve M. gave me an electrical checkup and fixed the wires. I would use him again and I would refer him to my friends and family if they need an electrician. "

CINDY B on January 2026


Avatar for Del Core Electric

Del Core Electric

4.88(
68
)
Approved Pro

Del Core Electric

4.88(
68
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
19 years of experience

We are master electricians with over 25 years of experience in the electrical industry serving the Long Island community. We are a family owned and operated business located in Bay Shore, New York. We pride ourselves on our strong reputation where we value providing great service for our repeat and new customers. In order to fully meet the needs of our clients, we listen carefully to assess each situation accordingly. We also believe that it is important for our clients to know why and what services are being provided. We take the time to not only listen but to explain in detail what services we are providing to your home or business. We strive to complete each project to absolute perfection while keeping costs low. Give us a call today, we look forward to working with you!

"Sebastian and his crew did a great job installing lighting fixtures on my porch and in my basement. Showed up on time, explained what needed to be done, friendly workers, cleaned up after the job was finished. A great job and at a very reasonable price. This is my go to company for all electric work."

Linda I on December 2023

We are master electricians with over 25 years of experience in the electrical industry serving the Long Island community. We are a family owned and operated business located in Bay Shore, New York. We pride ourselves on our strong reputation where we value providing great service for our repeat and new customers. In order to fully meet the needs of our clients, we listen carefully to assess each situation accordingly. We also believe that it is important for our clients to know why and what services are being provided. We take the time to not only listen but to explain in detail what services we are providing to your home or business. We strive to complete each project to absolute perfection while keeping costs low. Give us a call today, we look forward to working with you!

"Sebastian and his crew did a great job installing lighting fixtures on my porch and in my basement. Showed up on time, explained what needed to be done, friendly workers, cleaned up after the job was finished. A great job and at a very reasonable price. This is my go to company for all electric work."

Linda I on December 2023


Avatar for Leli Electrical Innovations Incorporated

Leli Electrical Innovations Incorporated

5.00(
25
)
Approved Pro

Leli Electrical Innovations Incorporated

5.00(
25
)
Approved Pro
Customers say: Quick response
3 years of experience
Free onsite estimate

We offer over 40 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Great communication with Danny and fantastic service from his team!"

Scott T on August 2025

We offer over 40 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Great communication with Danny and fantastic service from his team!"

Scott T on August 2025


Avatar for JTC Services Plus

JTC Services Plus

4.99(
37
)
Approved Pro

JTC Services Plus

4.99(
37
)
Approved Pro
Customers say: Quick response
15 years of experience
Free onsite estimate

At JTC Maintenance & Chimney, our mission is to deliver exceptional service and quality solutions for your facility maintenance and chimney repair needs. We strive to enhance the safety, functionality, and longevity of your spaces.

"Excelent! On time, the work was done perfectly at a very reasonable price!!!"

Thomas H on January 2026

At JTC Maintenance & Chimney, our mission is to deliver exceptional service and quality solutions for your facility maintenance and chimney repair needs. We strive to enhance the safety, functionality, and longevity of your spaces.

"Excelent! On time, the work was done perfectly at a very reasonable price!!!"

Thomas H on January 2026


Avatar for Matt Greco Electrical Inc.

Matt Greco Electrical Inc.

5.00(
22
)
Approved Pro

Matt Greco Electrical Inc.

5.00(
22
)
Approved Pro
Super Service Award
Customers say: Quick response
3 years of experience
Free onsite estimate

Matt Greco Electrical Inc. offers top quality electrical work at competitive prices. Close to 20 years of residential and commercial electrical experience. Knowledge and constant use of the National Electrical Code. Safe, Clean, trustworthy, and reliable electrical contractor.

"Very neat work, fair price, came on time and left my house cleaner than they found it."

David F on December 2025

Matt Greco Electrical Inc. offers top quality electrical work at competitive prices. Close to 20 years of residential and commercial electrical experience. Knowledge and constant use of the National Electrical Code. Safe, Clean, trustworthy, and reliable electrical contractor.

"Very neat work, fair price, came on time and left my house cleaner than they found it."

David F on December 2025


Leone & Sons Electric

4.96(
51
)
Approved Pro

Leone & Sons Electric

4.96(
51
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
10 years of experience

Here at Leone & Sons Electric, we take pride in our work! Customer satisfaction is the cornerstone of the way we conduct business and strive to complete the perfect job every time. We will SHOCK you with our competitive pricing. Give us a call today for a FREE estimate!!!

"Very professional and competent craftsman"

Regina P on January 2023

Here at Leone & Sons Electric, we take pride in our work! Customer satisfaction is the cornerstone of the way we conduct business and strive to complete the perfect job every time. We will SHOCK you with our competitive pricing. Give us a call today for a FREE estimate!!!

"Very professional and competent craftsman"

Regina P on January 2023

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FAQs for electrical wiring or panel upgrade projects in Brentwood, NY

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 Brentwood, NY 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.