24 Hour Support: (978) 762-4600
slide discoverypark

O’Mahony & Sons Electrical, Inc. and O’Mahony Electrical Services, Inc. are family-owned and operated electrical contractors serving the greater Boston area. Proud members of the Local 103, the Companies employ a diverse crew of electricians to meet every project's needs.

Electrical Construction

Electrical Construction

O’Mahony & Sons Electrical, Inc. has built a reputation of success, safety standards, professionalism, expertise, and reliability. Our team of skilled professionals has the ability to complete a wide range of projects.

Electrical Services

Electrical Services

O’Mahony Electrical Services, Inc. has a skilled team of service managers who assist with emergency situations, schedule repairs and maintenance, and fast-track projects. Our skilled team of electricians and fleet of service vans are ready to meet all of your project needs with a wide variety of services.


  • New buildings (Core & Shell buildouts)
  • Data Centers
  • Commercial Office Space
  • Laboratories
  • Restaurants
  • Medical Facilities
  • Fire Alarm System Installs & Upgrades
  • Corporate Interior Fit outs
  • Amenity Center Upgrades
  • Common Area Upgrades
  • Higher Education Laboratories
  • Classrooms
  • Parking Garages
  • Theaters
  • Hospitality and Convention Centers


The O’Mahony team has completed 6 new tenant buildings from the ground up, as well as two parking garages. The first building began being constructed in 2004, with the latest completed in 2019.

The O’Mahony team completed an office space to lab conversion over a period of 8 months beginning April 2021. The project had fierce deadlines, strict requirements, and in the midst of a global pandemic.

The Lifetime Center project consisted of the repositioning of the Atrium Mall located in Chestnut Hill. The Lifetime Center was converted into a state of the art Medical and Wellness center.


2 DeBush Ave, Unit A1
Middleton, MA 01949




(978) 762-4600
Dial 2 for John O’Mahony
Dial 3 for Stephanie O’Mahony

BBB edit*Proud member of the Local 103 IBEW