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Count on Us!

‘Watt’ Are You Waiting for?

We are a family-owned business with over 25 years of experience! Work with professionals who use quality materials and follow all regulations. We complete every job perfectly and safely! Schedule an appointment today.

Call Us

(631) 835-7272

Operating Hours

Mon – Fri: 8:00 am – 5:00 pm
Sat – Sun: Closed

Get In Touch

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    Our Clients’ Reviews

    • Very knowledgeable and responsive. Did a great job installing an electric vehicle charger.

      Nadeen C.
      2/26/2022
      5 star rating

      I had the Tesla wall connector installed. From the first contact I've made to the office (Cynthia) to the electricians... read more

      Edward K.
      2/25/2022
      5 star rating

      Got a tesla wall connector that needs installation? Look no further. These guys (n girls) are 10/10. Although it took... read more

      Mario L.
      2/10/2022
    • Great experience. Definitely will use again

      Essence J.
      2/01/2022

      Great experience. Definitely will use again

      Essence J.
      2/01/2022

      Great job installing my Tesla wall charger

      Stephen C.
      1/26/2022
    • Great job installing my Tesla wall charger

      Stephen C.
      1/26/2022
      5 star rating

      This was one of the best experiences that I have had with an electrician. I can't recommend this company high... read more

      Michael S.
      1/18/2022

      Made everything very easy. Get an estimate by filling out a form online. Made appointments very fast. Price was extremely... read more

      Brian M.
      12/22/2021
    • Made everything very easy. Get an estimate by filling out a form online. Made appointments very fast. Price was extremely... read more

      Brian M.
      12/22/2021

      I requested ev home charger installation estimates to 4 different companies and received surprisingly different price range from all 3... read more

      Jeff B.
      12/06/2021

      I requested ev home charger installation estimates to 4 different companies and received surprisingly different price range from all 3... read more

      Jeff B.
      12/06/2021
    • 5 star rating

      I hired Del Core to install my Tesla charger and I can say for sure that I was more than... read more

      Chris G.
      12/03/2021
      5 star rating

      We just had Del Core Electric install our Tesla wall charger. Everything from estimate, appointment and job was... read more

      Hemant P.
      12/02/2021
      5 star rating

      The electrician, Sebastian is very professional , and nice gentleman. He provided us a lot helpful information and did a... read more

      Steven C.
      12/02/2021
    • 5 star rating

      This review has been removed for violating our Terms of Service

      Buddy D.
      11/27/2021

      Needed a level 2 EV Chargepoint installed, contacted half a dozen local electrician and Del Core was the only one... read more

      Jason W.
      11/23/2021
      5 star rating

      Needed a level 2 EV Chargepoint installed, contacted half a dozen local electrician and Del Core was the only one... read more

      Jason W.
      11/23/2021
    • Needed a level 2 EV Chargepoint installed, contacted half a dozen local electrician and Del Core was the only one... read more

      Jason W.
      11/23/2021

      Sebastian is a true professional in the electrical and HVAC trades. His quality of work is top notch and I... read more

      Timothy R.
      10/12/2021

      Sebastian is a true professional in the electrical and HVAC trades. His quality of work is top notch and I... read more

      Timothy R.
      10/12/2021
    • 5 star rating

      I hired Del Core Electric and we were very pleased with their work. We just bought a new Tesla... read more

      Charles M.
      10/04/2021

      I hired Del Core electric and we were beyond pleased with their work. I do not usually write too... read more

      Ria A.
      10/01/2021

      I hired Del Core electric and we were beyond pleased with their work. I do not usually write too... read more

      Ria A.
      10/01/2021
    • 5 star rating

      I recently purchased a Tesla model 3 and I went on their website and called 5 different technicians to come... read more

      Allan W.
      9/28/2021

      Sebastian is just a good guy who takes pride in his work and values his company and reputation. He... read more

      Regina S.
      9/25/2021
      5 star rating

      This is the 2nd time I used Del Core and am vey pleased with their service and work. Sebastian... read more

      Regina S.
      9/25/2021
    • Sebastian is just a good guy who takes pride in his work and values his company and reputation. He... read more

      Regina S.
      9/25/2021
      5 star rating

      Sebastian the owner of the company and a master electrician trained by the Union Local 25 and is an exceptional... read more

      Tim R.
      9/19/2021
      5 star rating

      Service was incredible. Super quick and easy installation. From the estimate to scheduling the work I was able to get... read more

      Michelle L.
      9/16/2021
    • 5 star rating

      Sebastian and his crew were great. He came promptly for an estimate on installing my Tesla wall connector and was... read more

      Taylor R.
      9/10/2021

      Del Core was great and a pleasure to do work in my house.

      Alan G.
      7/11/2021

      Del Core was great and a pleasure to do work in my house.

      Alan G.
      7/11/2021
    • No bitching and moaning, just gets the job done.

      Jeffrey D.
      5/14/2021

      No bitching and moaning, just gets the job done.

      Jeffrey D.
      5/14/2021

      Sebastian was so amazing and so helpful. Would recommend his work to anyone on Long Island for all needs.

      Justin K.
      5/13/2021
    • Sebastian was so amazing and so helpful. Would recommend his work to anyone on Long Island for all needs.

      Justin K.
      5/13/2021

      Great price on the job of installing an EV charging station. It was a difficult job but they worked... read more

      Ken A.
      4/30/2021

      Great price on the job of installing an EV charging station. It was a difficult job but they worked... read more

      Ken A.
      4/30/2021
    • Beyond my expectations they where honest from the get go. Kept me informed through out the project we had a... read more

      Peter P.
      4/06/2021

      Beyond my expectations they where honest from the get go. Kept me informed through out the project we had a... read more

      Peter P.
      4/06/2021
      5 star rating

      Awesome company. We needed a lot of work done in our new home as we had to put high... read more

      Ria A.
      3/14/2021
    • This company was absolutely fabulous from start to finish. The communication was clear, fast and consistent and the service was... read more

      David Y.
      2/13/2021

      This company was absolutely fabulous from start to finish. The communication was clear, fast and consistent and the service was... read more

      David Y.
      2/13/2021

      They installed a ev charger and were very helpful with what product to buy and where it should be installed.
      Cynthia...
      read more

      Steve F.
      2/04/2021
    • They installed a ev charger and were very helpful with what product to buy and where it should be installed.
      Cynthia...
      read more

      Steve F.
      2/04/2021

      They are very neat and clean. My job was extra hard but they went above and beyond expectations

      Angelo C.
      10/19/2020

      They are very neat and clean. My job was extra hard but they went above and beyond expectations

      Angelo C.
      10/19/2020
    • They did a great job. Will use again if needed.

      Nick M.
      10/11/2020

      They did a great job. Will use again if needed.

      Nick M.
      10/11/2020

      Excellent service and reasonably priced

      Kevin A.
      7/30/2020
    • Excellent service and reasonably priced

      Kevin A.
      7/30/2020

      Excellent service professional and worth every dollar to hire these pros. I highly recommend them for any of your electrical needs.

      Herman M.
      5/18/2020

      Excellent service professional and worth every dollar to hire these pros. I highly recommend them for any of your electrical needs.

      Herman M.
      5/18/2020
    • Being in the Electronic industry for 37 years. I donâ t give five stars out lightening... read more

      John K.
      1/12/2020

      Being in the Electronic industry for 37 years. I donâ t give five stars out lightening... read more

      John K.
      1/12/2020

      Very professional company. It?s great when you deal with the owner. His staff is highly competent and was... read more

      Neil T.
      8/24/2019
    • Very professional company. It?s great when you deal with the owner. His staff is highly competent and was... read more

      Neil T.
      8/24/2019

      I had a hot tub installed by del core. I had concerns my panel wasn t strong enough to support... read more

      Jesse M.
      7/18/2019

      I had a hot tub installed by del core. I had concerns my panel wasn t strong enough to support... read more

      Jesse M.
      7/18/2019
    • On time, pleasant, willing to work with you on dates made sure everything was working before leaving.

      Alonzo M.
      7/17/2019

      On time, pleasant, willing to work with you on dates made sure everything was working before leaving.

      Alonzo M.
      7/17/2019

      Sebastian and his team did an excellent job on our electric project. They went above and beyond what we... read more

      Garrett W.
      7/11/2019
    • Sebastian and his team did an excellent job on our electric project. They went above and beyond what we... read more

      Garrett W.
      7/11/2019

      Very knowledgeable, easily contactable and accommodating, fast/excellent work. Would definitely use again/recommend.

      Dan S.
      7/01/2019

      Very knowledgeable, easily contactable and accommodating, fast/excellent work. Would definitely use again/recommend.

      Dan S.
      7/01/2019
    • Wow has to be the greatest experience I have had with a service provider. They are a young company but... read more

      Chris C.
      6/28/2019

      Wow has to be the greatest experience I have had with a service provider. They are a young company but... read more

      Chris C.
      6/28/2019

      A competent professional!

      Claude J.
      6/24/2019
    • A competent professional!

      Claude J.
      6/24/2019

      Sabastian is a true professional and a gentleman. Came at the time he said he would be here & explained... read more

      Nora A.
      6/12/2019

      Sabastian is a true professional and a gentleman. Came at the time he said he would be here & explained... read more

      Nora A.
      6/12/2019
    • They were very professional, courteous, clean, friendly and very competent, and they were reasonable in price. I would gladly... read more

      Richard K.
      6/09/2019

      They were very professional, courteous, clean, friendly and very competent, and they were reasonable in price. I would gladly... read more

      Richard K.
      6/09/2019

      I had called a couple of other electricians and got an answering machine. Sebastian actually answered when I called. He... read more

      Joseph R.
      5/25/2019
    • I had called a couple of other electricians and got an answering machine. Sebastian actually answered when I called. He... read more

      Joseph R.
      5/25/2019

      Sebastian called me back in minutes after requesting help .It was 7 am .he was at my house in 45... read more

      Patrick L.
      5/21/2019

      Sebastian called me back in minutes after requesting help .It was 7 am .he was at my house in 45... read more

      Patrick L.
      5/21/2019
    • They now have a customer for life! The work was done on schedule, price on point and when they were... read more

      Antonia B.
      3/19/2019

      They now have a customer for life! The work was done on schedule, price on point and when they were... read more

      Antonia B.
      3/19/2019

      Unbelievably rapid response, professional. This was for installation of EV charging station. I recommend him strongly. Great... read more

      Andrew N.
      3/04/2019
    • Unbelievably rapid response, professional. This was for installation of EV charging station. I recommend him strongly. Great... read more

      Andrew N.
      3/04/2019

      Very professional, I would not hesitate to hire him.

      Doug D.
      2/20/2019

      Very professional, I would not hesitate to hire him.

      Doug D.
      2/20/2019
    • very professional. Worked quickly and cleaned up after themselves. Would definitely call them again.

      Laurette M.
      2/07/2019

      very professional. Worked quickly and cleaned up after themselves. Would definitely call them again.

      Laurette M.
      2/07/2019

      Very professional. Got back to me right away. Great job installing my bathroom fan. Fair price. I will definitely call... read more

      Bethany C.
      1/22/2019
    • Very professional. Got back to me right away. Great job installing my bathroom fan. Fair price. I will definitely call... read more

      Bethany C.
      1/22/2019

      Today, Sabastian came to do work in our home . He was quite professional and knowledgeable. Sebastian was given... read more

      Linda C.
      1/15/2019

      Today, Sabastian came to do work in our home . He was quite professional and knowledgeable. Sebastian was given... read more

      Linda C.
      1/15/2019
    • None.

      Arlene F.
      12/31/2018

      None.

      Arlene F.
      12/31/2018

      I don’t think you will find a better electrician on Long Island. Fair pricing unbelievable customer service. They treated... read more

      Nick F.
      12/22/2018
    • I don’t think you will find a better electrician on Long Island. Fair pricing unbelievable customer service. They treated... read more

      Nick F.
      12/22/2018

      Very Profressional. Made a commitment on price - stuck to it even if there were challenges. moreover they experienced payment... read more

      Raghu R.
      12/20/2018

      I couldn’t be more satisfied with the electrical upgrade that Del Core Electric did in my home. I... read more

      Rita Z.
      12/20/2018
    • Very Profressional. Made a commitment on price - stuck to it even if there were challenges. moreover they experienced payment... read more

      Raghu R.
      12/20/2018

      I couldn’t be more satisfied with the electrical upgrade that Del Core Electric did in my home. I... read more

      Rita Z.
      12/20/2018

      Excellent

      Eric S.
      9/25/2018
    • Excellent

      Eric S.
      9/25/2018

      Very clean
      Gets down to get it done quickly and properly.

      Paul W.
      9/22/2018

      Very clean
      Gets down to get it done quickly and properly.

      Paul W.
      9/22/2018
    • Sebastian, Terry and Anthony were very professional, respectful and courteous. They explained what was being done when asked, very knowledgeable,... read more

      Hector Q.
      9/05/2018

      Sebastian, Terry and Anthony were very professional, respectful and courteous. They explained what was being done when asked, very knowledgeable,... read more

      Hector Q.
      9/05/2018

      He was there when he said he would be. He did exactly what I needed done. Great.

      Dan N.
      8/23/2018
    • Very honest gentleman with his daughter as his helper he could have been very expensive but in such an emergency... read more

      James D.
      8/23/2018

      He was there when he said he would be. He did exactly what I needed done. Great.

      Dan N.
      8/23/2018

      Very honest gentleman with his daughter as his helper he could have been very expensive but in such an emergency... read more

      James D.
      8/23/2018
    • Initially hired for an electrical upgrade and installation of a transfer switch for a generator, work is outstanding. Had a... read more

      Brett M.
      8/22/2018

      He was on time . Very professional and informative. Price was also competitive and work was completed before expected.

      Junior C.
      8/22/2018

      Initially hired for an electrical upgrade and installation of a transfer switch for a generator, work is outstanding. Had a... read more

      Brett M.
      8/22/2018
    • He was on time . Very professional and informative. Price was also competitive and work was completed before expected.

      Junior C.
      8/22/2018

      He was on time, good prices finished work expeditiously and did great job. I would hire him next time I... read more

      Robert F.
      8/10/2018

      He was on time, good prices finished work expeditiously and did great job. I would hire him next time I... read more

      Robert F.
      8/10/2018
    • Very good

      Roy H.
      8/09/2018

      Very good

      Roy H.
      8/09/2018

      Was on time does all work neat & Cleaned up after the Work and there PRICES were Reasonable what more... read more

      Sal B.
      8/02/2018
    • Was on time does all work neat & Cleaned up after the Work and there PRICES were Reasonable what more... read more

      Sal B.
      8/02/2018

      Sebastian and Matt are great! Very professional and quick to respond. Would definitely recommend them and continue using them for... read more

      Sunni T.
      7/27/2018

      Sebastian and Matt are great! Very professional and quick to respond. Would definitely recommend them and continue using them for... read more

      Sunni T.
      7/27/2018
    • Very friendly and knowledgeable if I need any other electrical work done I will definitely call him again

      Melania F.
      3/03/2018

      Very friendly and knowledgeable if I need any other electrical work done I will definitely call him again

      Melania F.
      3/03/2018

      fast, efficient and knowledgeable. outstanding service, polite and will use Del Core for all future projects.

      Judith D.
      1/21/2018
    • fast, efficient and knowledgeable. outstanding service, polite and will use Del Core for all future projects.

      Judith D.
      1/21/2018

      Del Core did an excellent job. Would hire him for any electrical jobs in the future. He was... read more

      Jim B.
      12/30/2017

      Sebastian was great. He did the job, quickly, cheerfully and cleaned up completely. While here, he even assessed a separate... read more

      Jonathan R.
      12/30/2017
    • Del Core did an excellent job. Would hire him for any electrical jobs in the future. He was... read more

      Jim B.
      12/30/2017

      Sebastian was great. He did the job, quickly, cheerfully and cleaned up completely. While here, he even assessed a separate... read more

      Jonathan R.
      12/30/2017

      I had a small, non emergency job and Sebastian was at my house the day after I spoke to him... read more

      Linda I.
      12/14/2017
    • I had a small, non emergency job and Sebastian was at my house the day after I spoke to him... read more

      Linda I.
      12/14/2017

      Work was done in an excellent matter

      Art G.
      5/28/2018

      Work was done in an excellent matter

      Art G.
      5/28/2018
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