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.

Commercial Electrical Companies Roseland NJ

Having the skills of experienced residential and commercial electricians in Montclair NJ such as O’Hara Electric is important when it comes to the home renovation procedure, even for the dedicated DIY home improver. Our expert electricians can handle a wide array of projects that are not only vital but are potentially capable of being dangerous when not performed correctly. This is capable of ranging from a total upgrade of your home to installing landscape lighting and light fixtures, and even dealing with extreme electrical emergencies. This is why having an electrician you are able to depend on is important for every homeowner. Our experienced professionals are ready and capable of improving the comfort, safety, and function of your home. When it comes to jobs like attic fan installation or 200 amp service upgrading, it’s likely for you to do more damage than good if you’re not properly trained even though you may be tempted to make an attempt yourself. Save yourself the risk and the hassle by making O’Hara Electric your first choice for a residential electrician in Roseland NJ.

Electrician Montclair NJ

Obtaining an electrical inspection from a qualified residential electrical contractor in Montclair NJ prior to buying your house is a smart idea many individuals neglect to think about. Receiving a general house inspection is basic protocol. However, the general home inspector isn’t going to be able to give your electrical systems the emphasis you’re going to receive from an expert from O’Hara. You’re not going to really be able to know if your house is truly up to code without hiring an electrician to perform a thorough inspection. It additionally gives you the opportunity to flag any potential issues that need to be repaired prior to finalizing the sale. If there are any major issues you’re facing an experienced electrician will be capable of telling right away. Faulty and consequently unsafe wiring is commonly found in older homes, resulting in them not having the ability to meet current electrical codes. Unfortunately, this issue is capable of meaning that a complete rewiring of your property might be necessary. This is where having a trusted residential electrician on your side is capable of being a great benefit. Our prices are budget-friendly and affordable even if you’ve got a large scale project that calls for knob and tube wiring replacement. Have you been searching for residential electricians in Roseland NJ because you need your home to meet current electrical codes? Make certain O’Hara is your top choice.

Electricians Roseland NJ

Lighting fixture installations are one of the most common reasons why calling a residential or commercial electrician in Montclair NJ and surrounding towns is so vital. This is a service which both home and business owners take advantage of frequently. You may not realize exactly how much of an impact on your day to day life is being made by your lighting fixtures. Whatever activity you are doing indoors, lighting is going to be an important factor, although many times it isn’t something you’re thinking about. Having appropriate lighting for your space and requirements is going to make many tasks easier to perform, but it’s additionally going to increase your quality of life in general. You may discover that you’re straining your eyes a considerable amount when your room does not have lighting which is ideal. This is a problem which affects commercial clients as well, since productivity can be substantially limited when appropriate lighting is not installed in your place of business. Liability and safety issues are able to arise when this is the case in an area where tripping is possible. Save yourself the trouble and worry and just get in touch with the experts at O’Hara Electric for high quality lighting installations for your business or home. We work with a broad array of types of lighting technology, from the latest LED technology to old knob and tube wiring like you’ll find in older buildings. You are capable of relying on the specialists at O’Hara Electric to get the job done right, so whenever you’re searching for a commercial or residential electrician in Roseland NJ there’s nowhere else you need to go.

Residential Electrician Montclair NJ

Are you in need of expert installation of landscape lighting in Roseland NJ? This is a service we perform at O’Hara together with performing installations for your home or business’s interior. If you take advantage of this service, you are giving your property the opportunity to truly be transformed. In addition to the aesthetic improvements it can bring, it offers many safety and practical benefits as well. You can considerably benefit from the services we’re capable of supplying in terms of landscape lighting whether you are a home or business owner.

Commercial Electrician Montclair NJ

We are very concerned about the safety of all of our clients as part of our dedication to being a leading choice among commercial and residential electricians in Montclair NJ and surrounding towns. It is vital to make sure that issues with your electrical systems are kept to a minimum so that you are able to go about your day without needing to think about it. One of these services is installation of GFCIs, and this is a service that’s truly capable of being lifesaving. In fact these are required in garage, bathroom and outdoor outlets of every new home as mandated by the National Electrical Code. The fact that they protect the user from water, something that obviously does not mix well with electricity, is the reason why. A GFCI is capable of supplying you with far more protection than a fuse or circuit breaker is going to in the event that an electrical appliance falls in water while plugged in. This is just another example of the reason if feeling safe in your business or home is important to you, calling a residential and commercial electrical contractor in Roseland NJ you’re capable of relying on is an important consideration.

Electrical Contractors Montclair NJ

Some homeowners are interested in performing the majority of electrical work themselves to save money rather than calling a professional electrician in Montclair NJ. Perhaps you are able to handle lighting fixture installation or even an attic fan installation yourself, however if the job is any bigger than that, it is better to have an expert electrician from O’Hara Electric perform the work the right way the first time. As it pertains to jobs like attic fan installation for instance, the amperage of the circuit and wattage of the new fixture are important things that have to be taken into account by an experienced professional. There might be instances where the amperage is not high enough to handle the wattage of the light. In this case, an additional wire will be able to be run from the circuit breaker. Most of the time, it’s wise to have a professional handle this kind of project. It’s safer for you, and will save you great deal money, time, and stress in the long run. O’Hara Electric has a reputation as being a leading company for lighting fixture installation. With jobs which range from major commercial electrical work to something small such as a smoke detector installation, we’re capable of getting the job completed quickly and efficiently. Call us right away whatever your requirements are from a residential or commercial electrical service in Roseland NJ.











• 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.