Welcome Home!

Nothing is more inviting than a well-lit home. Let us brighten your driveway, walkway, and front door.

Our fleet of trucks are standing by

Our fleet of trucks are standing by ready to dispatch our team of experienced electricians. We offer free estimates and 24 hour emergency service for our customers.

E & M O'Hara can install customer-supplied lighting.

These inexpensive chandeliers are made with colorful drum shades from IKEA.

The Main Office

Eddie, Kelly Ann, Stephany and Margot. At your service!

Kitchen Renovations

Optimum placement of lighting and outlets for function and beauty.

Michael and Edward O'Hara

The two brothers started the company in 1963. Our mission, then and now, has always been to provide expert electrical service at competitive prices.

The Iconic Artichoke Lamp

Considered a classical masterpiece, this fixture, designed by Poul Henningsen in 1958, has been stated to be the consummate modernist chandelier.

Corporate Installations

Fluorescent lighting is economical and energy-efficient in large rooms.

Our First Truck

Thanks to our loyal customers, O’Hara Electrical Contractors has been serving NJ for over 50 years!

Safety and Security

Exterior lighting, overhead and along sidewalks, improves visibility at night. Take advantage of our certified lighting expertise to recommend and install the latest technology, especially LED lighting.

Electrical Service Company Roselle Park NJ

Having the skills of experienced residential and commercial electricians in Montclair NJ such as O’Hara Electric is essential when it comes to the home renovation process, even for the committed DIY home improver. Our expert electricians can handle a broad variety of jobs that are not just essential but may be potentially dangerous when not performed correctly. This is capable of ranging from an entire upgrade of your home to installing landscape lighting and light fixtures, and even dealing with extreme electrical emergencies. That’s the reason having a dependable electrician such as O’Hara Electric on your side is important for every homeowner. The safety, comfort and function of your house is something our highly trained professionals are able and happy to improve. As it pertains to jobs such as attic fan installation or 200 amp service upgrading, it’s likely for you to do more damage than good if you’re not trained properly even though you might be tempted to make an attempt yourself. Save yourself the hassle and the risk by making O’Hara Electric your first choice for a residential electrician in Roselle Park NJ.

Electrician Roselle Park NJ

First, make certain that you get an electrical inspection from a qualified residential electrician in Montclair NJ before purchasing your house. Receiving a general home inspection is basic protocol. However, the general home inspector is not going to be capable of giving your electrical systems the focus you’ll receive from an expert from O’Hara. Simply hiring an electrician to give the house a comprehensive inspection will let you know whether the home is really up to code. It also gives you the chance to flag any potential problems that should be repaired prior to finalizing the sale. An experienced electrician will be capable of telling right away if there are any major issues you are facing. Faulty and consequently unsafe wiring is commonly found in older homes, resulting in them not meeting current electrical codes. Unfortunately, this issue can mean that a total rewiring of your property could be required. This is where having a trustworthy residential electrician on your side is capable of being a great benefit. Even for large-scale projects, our prices for replacement of your knob and tube wiring are affordable and budget-friendly. Have you been searching for residential electricians in Roselle Park NJ because you need your home to meet current electrical codes? Ensure O’Hara is your top choice.

Electricians Roselle Park NJ

Hiring an experienced commercial or residential electrical in Montclair NJ and surrounding towns is important for a large number of reasons, but among the most common reasons is for lighting fixture installations. Many business and home owners take advantage of this service. Never underestimate the effect that your lighting fixtures are capable of having on your everyday life. Lighting will be a crucial consideration in any activity that you’re taking part in indoors. When your lighting is properly installed, you will find that not only are many tasks going to be made easier, but your overall quality of life is capable of increasing as well. You may find that you’re straining your eyes a great deal if your room does not have lighting which is ideal. This is an issue that affects business clients as well, because productivity is capable of being significantly limited if appropriate lighting isn’t installed in your place of business. This is even capable of leading to liability and safety issues if this is in an area where people are capable of tripping. Save yourself the trouble and worry. For high quality lighting installations for your home or business, all you have to do is get in touch with the experts at O’Hara Electric. From the newest LED technology to old knob and tube wiring like you’ll find in older buildings, we work with a wide variety of types of lighting technology. This means if you need a commercial or residential electrician in Roselle Park NJ or the rest of the local area you’re able to count on to get the job done, there isn’t anywhere else you need to turn but O’Hara Electric.

Residential Electrician Montclair NJ

As a top choice for a residential and commercial electrical company in Roselle Park NJ, we’re capable of performing professional landscape lighting installation. If you take advantage of this service, you’re giving your property the opportunity to truly be transformed. Together with the visual improvements it can bring, it provides many practical and safety benefits as well. It doesn’t matter if you’re a business or homeowner. The services we can supply in terms of landscape lighting can be a considerable advantage to you.

Commercial Electrician Roselle Park NJ

The safety of our clients is something we are very concerned about as a top choice for a commercial or residential electrician in Montclair NJ and surrounding towns. There are a lot of services which we are capable of performing that will make sure that problems that relate to your electrical systems are going to be kept to a minimum so you’re capable of going about your day without having to think about it. One of these services is GFCI installation. This is a service which can in fact be genuinely lifesaving! As mandated by the National Electrical Code, these are actually required to be installed in garage, bathroom, and outdoor outlets of all new houses. Water obviously doesn’t mix well with electricity, and these protect the user from this possible issue. In the event that an electrical appliance falls in water while plugged in, a GFCI is capable of providing you with considerably more protection than a fuse or circuit breaker. If you’d truly like to feel safe in your home or business on an everyday basis, this is just one of the reasons why hiring a top choice among expert residential and commercial electricians in Roselle Park NJ is essential.

Electrical Contractor Montclair NJ

Attempting to perform work on their own instead of contacting a professional electrical company in Montclair NJ is common among homeowners that are attempting to save money. Maybe a lighting fixture installation or even an attic fan installation is something you are able to actually perform on your own. However getting in touch with a specialist is a much wiser move, particularly if the job is significantly bigger than that. Having a professional electrician from O’Hara Electric do the work the right way the very first time is a smart idea because of this. As it pertains to jobs like attic fan installation for example, the amperage of the circuit and wattage of the new fixture are essential matters which have to be taken into consideration by a qualified professional. In the event the amperage isn’t high enough to handle the wattage of the light then they will have the ability to run an additional wire from the circuit breaker. Calling an expert to handle this sort of endeavor is a wise idea, generally speaking. Not only is it safer for you, in the long run it will save you a great deal of money, time and stress. O’Hara Electric has a reputation for being a leading company for lighting fixture installations. With jobs ranging from major work for large commercial spaces to something small such as a smoke detector installation, we’re capable of getting the job done quickly and efficiently. No matter what your requirements are from a commercial or residential electrician in Roselle Park NJ, feel free to get in touch with us right away.











• Licensed, Bonded & Fully Insured • Certified Lighting Consultants • Voted #1 BEST Electrical Contractor in Essex County


• 24-HR Emergency Service for Our Loyal Customers • Free Estimates • Multiple Convenient Locations for Fast, Responsive Service

Quality is never an accident; it is always the result of intelligent effort.

–John Ruskin

Fast. Reliable. Dependable.

Expert Electrical Service at Competitive Prices.