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Find Electrical wiring or panel upgrade pros in Nassau

Avatar for Koletas Electric
Koletas Electric
5.0(
48
)

Serving Nassau, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"George was awesome! Very professional and pricing was fair. He was able to squeeze me in before a trip, which was super impressive. Shows his work ethic! My new panel looks beautiful!!!"
Attic Sub-panel
Rough in
Panel Upgrade
Conduit
Panel update

+34

Response time3 days
Response rate93%
54 neighbors recently requested a quote
Avatar for Capital District Electric
Capital District Electric
5.0(
144
)

Serving Nassau, NY and surrounding areas

Approved

In business since 1998

Emergency services offered

Warranties offered

"Capital District Electric was the first place I happened to choose on here and I’m glad I did. Eric got back to me within a few hours and was able to come over the same day. He was polite and professional the entire time. He got right to work, explained the issue, got a new part, and installed it the same day. He moves fast and is focused on getting the job done. When he installed the new breaker, he even cleaned up a ground wire that we didn’t know was just hanging in the old box. I’m very happy with his work and will definitely use him in the future."
Additional Photos
Logo
Response time6 hrs
5 neighbors recently requested a quote
Recommended by99%of homeowners
Avatar for Rubino Electric
Rubino Electric
4.8(
26
)

Serving Nassau, NY and surrounding areas

Approved

In business since 1999

Free estimates

Customers say: Terrific value

"John is a customers ultimate contractor, heâ s very professional, when he says heâ s going to be there heâ s there, which is a rarity today, I had to redo my electrical service over and add 4 panels with meters on a rental property that I owned in Troy , John design the job and did it exactly the way that we Discussed it , in a very timely manner and very neat.( I am and electrician down in the city, so for me to have someone reliable and trustworthy to do my work on my properties is very comforting) I will use him on any future work that I have."
Service upgrades
Response time10 hrs
Response rate93%
11 neighbors recently requested a quote
Avatar for Least Resistance Electrical Contracting LLC
Least Resistance Electrical Contracting LLC
5.0(
11
)

Serving Nassau, NY and surrounding areas

Approved

In business since 2025

Emergency services offered

Warranties offered

"steven was the saving grace of my renovation. reliable, trustworthy, highly skilled, and someone who clearly takes pride in his work. he handled a large amount of electrical work for me after a bad experience with another contractor and everything was done thoughtfully and to a very high standard. flawless installation of a bathroom sauna, steam system, electric fireplace, backlit vanity mirror, lighting fixtures and outlets all through the house, sub panel for a pool, kitchen appliance installation and a full rewire of the garage. i’ve recommended him to friends and family and everyone has been happy and wants him back. highly recommend."
Let There Be Light!
Sub Panel
Early Stages of Electrical Rough In.
4 Gang Switch Box
Sub Panel Service Entry

+17

4 neighbors recently requested a quote
Avatar for UPSTATES FINEST ELECTRIC
UPSTATES FINEST ELECTRIC
4.6(
27
)

Serving Nassau, NY and surrounding areas

Approved

In business since 1992

Emergency services offered

Warranties offered

"Excellent work. Upstate has a team who know what to do. From the time they came to look at the job to the finish was 2 hours. That included purchasing the lights and the wiring and switches for the job."
Licensed master electrician
Additional Photos
Full service upgrade
Additional Photos
Additional Photos

+3

Response time1 day
8 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Dig Dug Electric LLC
Dig Dug Electric LLC
5.0(
10
)

Serving Nassau, NY and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"Quality work! Frank came out for three jobs.. Two electrical jobs and one outdoor project. 1) installed new lights in my basement and moved the switches to a more logical location. 2) removed an old lamp post outside and shut off the electrical lines that ran to it. When my wife and I decide what kind of lighting we want outside, we will be hiring him again for the install. 3) removed several small-medium boulders from the property. Also moved a large pile of scrap wood to our burn pile (would have taken me hours). Highly recommended for general handyman work and/or small tractor work outside."
New Addition Wiring
2' Retaining Wall
Building Permit
Residential Wiring
Residential Wiring

+5

Response time6 hrs
Response rate93%
3 neighbors recently requested a quote
Avatar for PHELAN ELECTRIC, LLC
PHELAN ELECTRIC, LLC
5.0(
3
)

Serving Nassau, NY and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!\n

Kitchen remodel
Swimming pool
Soffit lighting
Lighting fixture
New build

+2

19 neighbors recently requested a quote
Showing 1-10 of 14
FAQs for electrical wiring or panel upgrade projects in Nassau, 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 Nassau, 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.