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Electrical wiring or panel upgrade pros in Riverhead

Avatar for Gem's Electrical Contracting LLC
Gem's Electrical Contracting LLC
926 Windmill Avenue
4.82(
58
)
Approved Pro
Gem's Electrical Contracting LLC
926 Windmill Avenue
4.82(
58
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
14 years of experience

We are a full service electrical company. We are committed to serving our customers.There is no job that is too big or too small so please give us a call!

"Frank did a great job. Highly recommended!!!"

PAUL N on June 2024

We are a full service electrical company. We are committed to serving our customers.There is no job that is too big or too small so please give us a call!

"Frank did a great job. Highly recommended!!!"

PAUL N on June 2024


MRJ Industries, Ltd.
27 Quail Run
4.29(
7
)
Approved Pro
MRJ Industries, Ltd.
27 Quail Run
4.29(
7
)
Approved Pro
Customers say: Quick response
39 years of experience
Free onsite estimate

We are dedicated to providing our clients with the very best in general contracting, from electrical to decks, siding, roofing, remodels, and renovations. With over 30 years of experience, we take an enormous amount of pride in the attention of detail, put into each of the projects we contract. We are known for our quality work, and the integrity of our business practices. We look forward to building long term relationships with our clients, and guarantee your satisfaction. Call today for a quote! As an owner operator I am personally involved with every project. John

"John was great initially - getting there and tackling the immediate problem and answering my calls. We had a short in the electrical heating fan/motor in the floor that was potentially dangerous and could have caused a fire so he replaced the breaker and rewired the fan/motor. However, when he left we noticed that the fan was not running in the box and he told us to detach the wires which I felt was risky and also meant the problem was not fixed. He said he would come back the following Monday to inspect the rest of the wires underneath the house and he never did. He was also supposed to send me a photo of the burned wires, a work order/receipt for my files, and never did. I texted him about Monday and about replacing the fan/motor - either to let us what it was called and we would replace it ourselves or give us the cost of replacing one or all 3 boxes. He never responded so we still have a heating system that is not fixed and perhaps dangerous if only running on two fan motors ."

Gillian d on November 2018

We are dedicated to providing our clients with the very best in general contracting, from electrical to decks, siding, roofing, remodels, and renovations. With over 30 years of experience, we take an enormous amount of pride in the attention of detail, put into each of the projects we contract. We are known for our quality work, and the integrity of our business practices. We look forward to building long term relationships with our clients, and guarantee your satisfaction. Call today for a quote! As an owner operator I am personally involved with every project. John

"John was great initially - getting there and tackling the immediate problem and answering my calls. We had a short in the electrical heating fan/motor in the floor that was potentially dangerous and could have caused a fire so he replaced the breaker and rewired the fan/motor. However, when he left we noticed that the fan was not running in the box and he told us to detach the wires which I felt was risky and also meant the problem was not fixed. He said he would come back the following Monday to inspect the rest of the wires underneath the house and he never did. He was also supposed to send me a photo of the burned wires, a work order/receipt for my files, and never did. I texted him about Monday and about replacing the fan/motor - either to let us what it was called and we would replace it ourselves or give us the cost of replacing one or all 3 boxes. He never responded so we still have a heating system that is not fixed and perhaps dangerous if only running on two fan motors ."

Gillian d on November 2018


Avatar for Neighborhood Electric Inc.
Neighborhood Electric Inc.
269 Illinois Avenue
4.73(
133
)
Approved Pro
Neighborhood Electric Inc.
269 Illinois Avenue
4.73(
133
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
25 years of experience

I HAVE 4 SUFFOLK COUNTY LOCATIONS FOR YOUR CONVENIENCE- OLD SCHOOL FREE ESTIMATES - NO TRIP OR SERVICE FEES - Hello I'm Lenny Mannino from Neighborhood Electric and I have been serving Long Island customers for over 30+ years . We are committed to excellence in every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. We specialize in repairs, and residential work! Call us today We would love help you! Feel free to call me 24-7 on my cell phone, Lenny Mannino Neighborhood Electric 1-631-487-0939

"Tom was wonderful. I would definitely hire them again"

Bonnie J on May 2025

I HAVE 4 SUFFOLK COUNTY LOCATIONS FOR YOUR CONVENIENCE- OLD SCHOOL FREE ESTIMATES - NO TRIP OR SERVICE FEES - Hello I'm Lenny Mannino from Neighborhood Electric and I have been serving Long Island customers for over 30+ years . We are committed to excellence in every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. We specialize in repairs, and residential work! Call us today We would love help you! Feel free to call me 24-7 on my cell phone, Lenny Mannino Neighborhood Electric 1-631-487-0939

"Tom was wonderful. I would definitely hire them again"

Bonnie J on May 2025


Avatar for PLASMA E.C.S CORP
PLASMA E.C.S CORP
101 Montauk Blvd
5.00(
2
)
Approved Pro
PLASMA E.C.S CORP
101 Montauk Blvd
5.00(
2
)
Approved Pro
8 years of experience
Free onsite estimate

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Plasma Ecs, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

"Great work. Responsive, professional and reasonable priced."

Kevin D on May 2025

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Plasma Ecs, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

"Great work. Responsive, professional and reasonable priced."

Kevin D on May 2025


Avatar for Leli Electrical Innovations Incorporated
Leli Electrical Innovations Incorporated
714 S 8th St
5.00(
18
)
Approved Pro
Leli Electrical Innovations Incorporated
714 S 8th St
5.00(
18
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
24 local quotes requested

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.

"Danny was fantastic! Professional, tidy and prompt."

Denise R on October 2024

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.

"Danny was fantastic! Professional, tidy and prompt."

Denise R on October 2024


Avatar for Big Bear Contracting & Electrical, LLC
Big Bear Contracting & Electrical, LLC
PO Box 606
4.92(
89
)
Approved Pro
Big Bear Contracting & Electrical, LLC
PO Box 606
4.92(
89
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
27 years of experience

Big Bear Electrical Contracting complies with industry codes and safety regulations. We pride ourselves on being professional & honest. We strive to uphold a higher quality of work. If your home looks good, we look good. We like to provide homeowners with as much knowledge as possible. Letting you know how we evaluate or troubleshoot wiring problems and how we will go about fixing it We strive to be your preferred electrician!

"These guys were great, we’ll have them back for our next project"

Frank M on October 2023

Big Bear Electrical Contracting complies with industry codes and safety regulations. We pride ourselves on being professional & honest. We strive to uphold a higher quality of work. If your home looks good, we look good. We like to provide homeowners with as much knowledge as possible. Letting you know how we evaluate or troubleshoot wiring problems and how we will go about fixing it We strive to be your preferred electrician!

"These guys were great, we’ll have them back for our next project"

Frank M on October 2023


Avatar for JC Electric Services
JC Electric Services
430 Clayton St
5.00(
4
)
Approved Pro
JC Electric Services
430 Clayton St
5.00(
4
)
Approved Pro
15 years of experience
Free onsite estimate

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Juan initially came to do an estimate but ended up temporarily fixing a dangerous issue to ensure our safety for no charge and came back today to completely replace what caused the issue at a very fair price. I would hire him again in a minute and highly recommend him if you need a reliable and efficient electrician. "

Peggy M on May 2025

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Juan initially came to do an estimate but ended up temporarily fixing a dangerous issue to ensure our safety for no charge and came back today to completely replace what caused the issue at a very fair price. I would hire him again in a minute and highly recommend him if you need a reliable and efficient electrician. "

Peggy M on May 2025


Avatar for EAM Electrical Contractors
EAM Electrical Contractors
3 Win Haven Ln
5.00(
3
)
Approved Pro
EAM Electrical Contractors
3 Win Haven Ln
5.00(
3
)
Approved Pro
5 years of experience
Free onsite estimate

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business

"John was very nice and extremely efficient. He installed ceiling lights, my dining room light fixture, and my living room fan. "

Katherine B on May 2025

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business

"John was very nice and extremely efficient. He installed ceiling lights, my dining room light fixture, and my living room fan. "

Katherine B on May 2025


Avatar for JMA Electric LLC
JMA Electric LLC
372 RANDALL RD
5.00(
5
)
Approved Pro
JMA Electric LLC
372 RANDALL RD
5.00(
5
)
Approved Pro
1 years of experience
Free onsite estimate

We are a licensed and insured, family owned and operated electrical service business based out of ridge, NY. We specialize in any and all residential electrical applications, troubleshooting, repair, maintenance, service upgrades and replacement, lighting, renovations and new construction. We also offer services for home audio systems, security systems, Electric vehicle charging stations and more!

"Professional, reasonable quality work. I will be hiring JMA Electric in the future for all my electric needs/project. Look no further. *****+ stars. A #1. "

PAUL P on January 2025

We are a licensed and insured, family owned and operated electrical service business based out of ridge, NY. We specialize in any and all residential electrical applications, troubleshooting, repair, maintenance, service upgrades and replacement, lighting, renovations and new construction. We also offer services for home audio systems, security systems, Electric vehicle charging stations and more!

"Professional, reasonable quality work. I will be hiring JMA Electric in the future for all my electric needs/project. Look no further. *****+ stars. A #1. "

PAUL P on January 2025


Avatar for PKJ Electrical
PKJ Electrical
5.00(
18
)
Approved Pro
PKJ Electrical
5.00(
18
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
422 local quotes requested

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 our services offered and call or click to schedule an estimate today!

"Everything went great. PKJ electric did a great job. They even rewired my outdoor lights in a way that it isn’t going across my grass like It was before they took care of it! I would definitely recommend them and I would definitely use them again. Very professional."

Thomas D on May 2022

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 our services offered and call or click to schedule an estimate today!

"Everything went great. PKJ electric did a great job. They even rewired my outdoor lights in a way that it isn’t going across my grass like It was before they took care of it! I would definitely recommend them and I would definitely use them again. Very professional."

Thomas D on May 2022

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Electrical wiring or panel upgrades FAQs

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.

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