J.M. Mullen has performed numerous commercial electrical installations projects including indoor soccer fields, restaurants, and churches. Whether you want to renovate an individual office, or upgrade an entire commercial space, J.M. Mullen Electric can provide a complete “turn-key” installation.


Our vast supply chain and in stock products allow us to react quickly to residential service calls. Whether you need repairs, maintenance or new construction work completed, J.M. Mullen Electrical Services can provide cost effective solutions for your project. Learn more about how we can help you or contact us to get started today!


Our experienced electricians are on-call to service any electrical issue your company may encounter. We offer property management for all types of properties, large or small. Our competitive rates and attention to detail make us an industry leader in this discipline. Learn more about our property management now!


J.M. Mullen Electric can provide you with 24-hour reliability in response to any electrical issue you may be experiencing. Our on-call service electricians are available anytime, day or night, to troubleshoot the problem and get things back to normal. Need help? Fill out a service ticket and we’ll get right on it!

JM Mullen

Welcome to J.M. Mullen Electric

For over 25 years, J.M. Mullen Electric has become an industry leader in the electrical trade. This is because we work hard for our customers and provide them quality service at a fair price. Throughout the years this has translated into a reputation of trust and distinction, on which we pride ourselves on every day. Because of this, repeat customers and their needs have become a substantial part of our day-to-day operations.

From starting as a small contractor working locally in the Baltimore area, our geographical scope has grown to cover all of central Maryland. From Baltimore County to Calvert County, from the Eastern Shore to the District of Columbia, J.M. Mullen Electric provides fast and dependable service that our customers have come to appreciate.

Feel free to give us a call regarding any electrical installation. We have the knowledgeable office staff to get the job off the table quickly; the experienced electricians to handle the installation effectively, and follow-up service upon completion to ensure your complete satisfaction.

Our customers include general contractors, developers, property managers, bankers, landlords, restaurant owners, retailers, and residential customers. Customer satisfaction is at the forefront of our overall mission because we know how important effective communication is in providing service quality. Our staff is prepared to see through any project, on time and budget.

Why choose us?

  • 24 Hour Reliability
  • Cost Effective
  • Experienced
  • Customer Oriented
  • Dedicated

Our experienced and personable electricians are knowledgeable in all electrical fields. Our office staff has been working in the industry for a combined 61 years, giving us unparalleled experience in managing projects from start to finish! Contact us today to get started on your project!

What our clients say about us

John - I wanted to take a moment and pass on my sincere appreciation to all the lads for all their hard work and dedication over this past weekend in getting all the switchgear swapped out for our new generator. It was a lot to accomplish and I really do appreciate the work of Glen Watson, Bill Lawver, Steve Frostbutter, Tommy Bednarik, James Bolin, Matt Smith, Tim Mullen, Nick Jones, Drew Mann, Tom Chandler, Scott Ike, Luke Akers, KC Cranford and of course you. In true J.M. Mullen Electrical Services fashion, you got the job done ahead of schedule and I had no worries throughout the whole process.
Mark Smith
Facilities Development Manager / SECU
Mazzuca Contracting has been working with JM Mullen Electrical Services for the last ten years. We feel JM Mullen has the experience and professionalism to handle any level of work we award to them. They provide a quality project with the pro-active approach and problem solving method to complete projects on time and within budget. I feel working with JM Mullen I get a personal family experience with professional, knowledgeable company backing up their work.
Butch Farabaugh
HITT Contracting has enjoyed a 10 year+ long and successful relationship with JM Mullen electrical company. They have consistently provided excellent, professional and flexible service on many projects including, large tenant improvements, heavy renovations, new construction and service projects. We recommend JM Mullen without hesitation or reservations.
Christian Zazzali
Vice President / HITT Contracting Inc.
JM Mullen's commitment to service and quality is outstanding. Their ability to focus on customer needs while providing integral project solutions is excellent. We look forward to working with them on many more successful projects.
Andrew S. Fishback
Project Designer / Hammond Wilson


Weekly articles about news, trends and ideas

Mar 2018
15th Mar 2018

Electrical Projects Best Left To Experts

There are some projects around your house that are not safe for the Do-It-Yourself to tackle. In particular, projects that require electrical upgrades are best left to experts. Most people lack the knowledge about the intricacies of a home's wiring and mistakes could be costly or dangerous. 

7th Mar 2018

Electrical Needs for a Home Office

Home-based businesses are alive and well in today's economy with some 38 million such businesses in the United States today. When home is your base of operations, you shouldn't neglect planning an adequate electrical system to ensure it runs efficiently. 

Feb 2018
27th Feb 2018

How To Safely Rewire An Old House

TVs with large screens, computers and double door refrigerators did not exist when many old home were built and first wired. This means that upgrading electrical systems in these old houses is an essential task. Here are ways on how you can safely rewire an old house: 

21st Feb 2018

Here Are The Possible Reasons Why Your Electricity Bill Is So High

If you suddenly get a higher-than-usual electricity bill, the first thing to do is ask your energy supplier in case they have committed some mistakes in computing your energy consumption. If your power company insists it has not made any error, there may be something wrong within your electrical system. Here are the potential culprits behind your high electricity consumption: