Top-rated electrical wiring or panel upgrade pros.

Get matched with top electrical wiring or panel upgrade pros in Preston, MD

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Electrical wiring or panel upgrade pros in Preston

Avatar for Galloway Electrical
Galloway Electrical
4.6(
49
)

Serving Preston, MD and surrounding areas

Approved

Free estimates

Emergency services offered

Customers say: Super punctual

"I am one very Satisfied customer! Chris and Debra of Galloway Electrical arrived early, took a quick look at what needed to be done, provided a very reasonable price that I accepted and grabbed their tools and went to work. They were very thorough, kept us informed of the progress, explained everything and even provided recommendations for future upgrades. Chris and Debra were very professional, courteous, respectful of our property and a pleasure to talk to. My wife and I were very happy with the final product and will definitely hire Galloway Electrical for any future electrical needs! A big "Thank You" to both Chris and Debra!!!"
Electrical Project
Electrical Project
Receptacles
Electrical Project
Electrical Project

+76

Response time10 hrs
Response rate91%
6 neighbors recently requested a quote
Request Quote
Avatar for Duke's Electrical Services, Inc.
Duke's Electrical Services, Inc.
4.9(
293
)

Serving Preston, MD and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Mark wired 3 bedrooms for ceiling fans for me. He was very professional and easy to work with. I was impressed at how fast he worked and how nicely everything was completed and cleaned up. I will call on him again in the future for any electrical needs."
Recess light install
Recess and fan install
Recommended by91%of homeowners
Request Quote
Avatar for Resolute Electric
Resolute Electric
5.0(
28
)

Serving Preston, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"It went very well! We had panel box moved from our kitchen to the laundry room new panel box was installed wires were run to new box! Resolute Electric did an amazing job!"
Braemar Towers remodel
Salvation Army
Reoccurring customer
Outdoor lighting
Braemar Towers remodel

+19

Response time11 hrs
4 neighbors recently requested a quote
Recommended by92%of homeowners
Request Quote
Avatar for Mikes Electrical
Mikes Electrical
5.0(
21
)

Serving Preston, MD and surrounding areas

Approved

Super Service Award Winner

Free estimates

Warranties offered

Credit card accepted

"First time using Angi to find a contractor. Mike exceeded any and all expectations: great communication, fair pricing, completed work in a timely manner and was great to work with. Would absolutely use again for electrical projects around or home/property."
Residential lighting
Electrical
Residential
Residential lighting
Electrical

+63

Response time7 hrs
12 neighbors recently requested a quote
Recommended by47%of homeowners
Request Quote
Avatar for Carey's Custom Services LLC
Carey's Custom Services LLC
5.0(
32
)

Serving Preston, MD and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"On August 2025 I had two Hunter ceiling fans installed by Mike and was very pleased with the results. The installations were done efficiently and professionally, with both fans mounted in the second-floor loft and bedroom with 8’ ceilings. Communication was clear throughout the process, and he made sure everything was working perfectly, including the wall controls for each fan. I highly recommend their services for anyone needing reliable and quality electrical work."
Response time2 days
8 neighbors recently requested a quote
Recommended by87%of homeowners
Request Quote
Bramble's Electric, Inc.
5.0(
1
)

Serving Preston, MD and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

Bramble's Electric Inc., was established in 2000 and provides over 15 years of professional experience. We handle both residential and commercial projects from major installs to minor electrical repairs. Our company has a commitment to the consumer to deliver excellence not only in the quality but the satisfaction of our work. Let us know how we can provide you with world class service today.

7 neighbors recently requested a quote
Recommended by100%of homeowners
Request Quote
FAQs for electrical wiring or panel upgrade projects in Preston, MD

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 Preston, MD 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.

See all articles