Electrical Repairs & Installations

Great work and fast response. Solved some electrical issues in my house. Highly recommend

This business genuinely cares about doing the job right and attention to detail. We needed someone quick to our siding back on the house before the next storm hit and we needed it done right! We had reached out to them and they responded quickly and got it done. They did beautiful work and reattached / secured the siding. You won’t be disappointed by any service you need from this business.

Super, dependable company. They do top notch work and are extremely reliable. Very professional to work with, and pricing is reasonable. I highly recommend this company.

JT and his company Cornerstone Construction did an amazing job with our electrical system in the house, I would truly recommend them for anyone who needs Construction services of any kind. Truly a lifesaver. G. Covell Tamaqua PA.

I would highly recommend Jonathan to anybody looking for a reliable, honest and professional electrician. His crew also deserves at least 5 stars due to the fact that they had to deal with a very irate and unreasonable tenant while they were doing their work. Jonathan showed up exactly as planned and completed the job earlier than expected even while being harassed for just doing his job. Left everything more orderly than when he arrived. I have recommended him before and would definitely recommend him again. Good JOB!!!

Prompt Service with attention to detail, highly recommend

Called Cornerstone Construction to change locks on my property and also to change outlets & fix a power outage issue in my tenants house. Both times they showed up when they said they would, fixed both issues in a timely manner and showed professionalism. Prices were standard and I was happy with the work they did each time. Would recommend and would do business with again!

This business genuinely cares about doing the job right and attention to detail. We needed someone quick to our siding back on the house before the next storm hit and we needed it done right! We had reached out to them and they responded quickly and got it done. They did beautiful work and reattached / secured the siding. You won’t be disappointed by any service you need from this business.

I have an old stone and block house that I was in the process of remodeling with another contractor. It was a bad experience with a lot of things left undone or not done properly and they never came back to finish or fix. JT and team came out for an estimate and just a few days later started the job. JT, Ed and Jay were a pleasure to work with. They know their stuff and got my house finished the right way in a reasonable amount of time. I truly appreciate their transparency at every step and would definitely recommend them when looking to hire a contractor who can do pretty much anything. There are a few things that still need to be done and I wouldn't think of calling anyone else. Nice work guys! I'm so happy I could cry right now! LOL So, hire Cornerstone! You will not be disappointed.

Would recommend to anyone who needed professional, curious, and quickly done service. We had our home in need of updated wiring and are very satisfied with the work done. Highly recommend their quality service.

I recently worked with Cornerstone Construction , and I couldn’t be happier with the results. Their team does excellent work across the board, but their electrical skills truly stand out. Every part of the project was handled with professionalism, attention to detail, and clear communication. They showed up on time, completed the work when promised, and made sure everything was done the right way. From electrical upgrades to interior renovations, the quality of their workmanship was obvious. It’s hard to find a company that is reliable, knowledgeable, and takes pride in their work—and they absolutely do. I highly recommend Cornerstone Construction to anyone looking for electrical services or complete home remodeling. They exceeded expectations in every way.

I called Cornerstone Construction for an emergency electrical installation project. Despite the snow covered roads and rough terrain, they showed up right away and completed the job in one day. Highly recommended.

These Guys are Amazing! They Added Electrical separate line In a Snap Now we Enjoy Ac In the Room will use again again Highly Recommend clean no Debris Thanks Jt!

We had Cornerstone repair and remodel our sunroom which had serious damage due to moisture and poor construction. There was structural damage that threatened to destroy the room. Ed and John are master carpenters and made recommendations that made the structure sturdy and safe. Without them identifying these problems and making the improvements the room would have been unsafe to continue using. They did an excellent job. We will definitely use Cornerstone for future work. Their prices are reasonable which was great because we are retired and on a fixed budget.

Quick, thorough, professional handling of our heating problem!

Prompt and professional service. Thanks JT for getting us back up and running!

Great place to work for or get your house fixed and cleaned up.. great quality work that comes from the heart

Excellent work, clean and on time

Jonathan is very reliable, dependable and professional. He was very prompt when contacted to do a job. His work is excellent. Would recommend him to family and friends.

Very nice electricians called when they were on the way called me when they got there so I can open the door did the job quick and had no issues !

They did a great job fixing some finicky wiring and lighting around our apartment. They also installed some baseboard heating and explained everything throughly. I will definitely be working with them in the future. Thank you!

Jonathan is a very good guy, stuck with his word. Showed up on time and job that was done exceeded my expectations by far. Very clean and honest work.

He was on time, knew what he was talking about, did a great job. I will refer him to family and friends. Thanks so much

Contractors are a dime a dozen, honest contractors are hard to find! Cornerstone is reliable and trustworthy

Johnathan was extremely Profesional and polite job was completed on time and exceeded expectations

Efficient and clean

Great company to hire . Jonathan is very skilled and the only one I would trust doing any electrical work..great prices ...call him for your services

Great company to deal with. Professional and quick.

I went three days without electricity due to a broken wire main. I've tried to contact several electric companies and they were not able to come to my rescue because they were approaching the weekend and I could not wait until next week to get the power on. I decided to place a phone call to Cornerstone Electric and I was lucky enough to speak to JT. He was kind enough to collecet my information and after that, we met within a short period of time to assess the issue. It was one of the best phone calls that I have made during the course of the day. J.T helped resolving the issue in a professional manner and did an awesome job to restore the outage that I was trying to restore in three days. J.T is a very kind, friendly gentleman and a true professional. I highly recommand him to other clients cause he does excellent work. Thanks JT for a job well done!

Cornerstone was very professionally when installing the fan. They did a great job and cleaned up after, they were also very good with my dog. I would use them again

Absolutely wonderful experience. Professional from the start. The crew is extremely polite and hard working. They really went above and beyond and I couldn’t leave a better review. Their pricing is extremely reasonable also.

Thanks so much JT, what a great guy, trustworthy dependable everything you want in a company!

Showed up on time, inspected my wiring and quickly found the problem. Fixed the residential electrical problem at my home left by the previous electrician very quickly and did a good job. Would 100% recommend if you need electrical work done.

Highly recommend!!!! Installed security system for me..

Highly recommended for anything needed done to your home. Very nice work, respectful and friendly.

Cornerstone construction did awesome work on my outside electrical wires and meter box. Very reliable, friendly and professional. I highly recommend them!

Cornerstone was very professionally when installing the fan. They did a great job and cleaned up after, they were also very good with my dog. I would use them again

Had them come in and do electrical repairs at the Tamaqua Napa, very quick, very professional, and good prices. Very happy with work they did

Reliable and friendly service. Amazing work. Professional and hard working staff. The owner JT brings excellent work to your home along with an enlightening character you will not forget. highly recommended.

Great work!

Owner is a great dude who is very knowledgeable. Highly reccomend

Johnathan was willing to come do an estimate and the work on the same day for me. It was a few small jobs that I couldn't get anyone else to do and he performed the work with no less care and attention than he would a bigger job. I appreciated that.

Cornerstone does siding and electric - they took care of a tough situation involving 100 year old stucco and electric meter detached from house. Now I have beautiful siding and everything is secure. Great company and great communication thank you!!

Hard working, communicative and knowledgeable in home renovations . He works diligently with his team to design and complete projects tirelessly, above and beyond expectations. Keep Smiling!!!

This company exceeded my expectations! Im more of a do it yourself guy and ran into major problems on a rental property... I had a cornerstone card in my wallet for a while so reluctantly I called JT..Best move I made! Fixed all of my electrical issues and even had him do some framing for me, you cannot go wrong Using Cornerstone!

Very professional. The crew is respectful and goes above and beyond to make their customers happy. I would definitely recommend Cornerstone Construction.

Answered call right away. Came same day and fixed the problem. Very professional. Price was reasonable. Everything looks and works great.

Cornerstone Construction did an amazing job for us. Their electrician was on time, professional, and really knew what he was doing. Everything was explained clearly before the work started, and they made sure the job was done safely and the right way. The quality of their work stands out and you can tell they take pride in what they do. Pricing was fair, communication was great, and they left the area clean when they were finished. I highly recommend Cornerstone Construction for anyone who needs reliable electrical work.

Great company honest ,good safe work ,Fair pricing..I would recommend cornerstone anyday

Prompt and professional service. Thanks JT for getting us back up and running!

Cornerstone came out after another electrician came out and could not fix our problem..they came within an hour of calling and had our electric fixed within 10 minutes of being here! Very professional and knowledgeable! And reasonably priced!

Great work done on the back of our house where our electric meters were just hanging. The were professional and quick. Will deffinatly refer to them on future projects

I would like to commend conerstone co. The professionalism & The time Mr.Dering takes to see his job's are completed with full satisfaction for his customer & Dedication he gives is something you don't see much of today, The work ethics from this company comes highly rated, I recommend Cornerstone Construction, 🚧 The work is outstanding , I recommend Mr. Dering not only for his professionalism , But the quality of work , Ethics, & commitment, spells beyond Excellence........

Definitely recommend! Always friendly and helpful. JT does an awesome job!!

Honest, knowledgable, professional, good quality work. Will definitely call them again.

I hired Cornerstone Construction to remodel my kitchen. I couldn't be happier. The guys were all very highly skilled and professional. My input was listened to and they made it happen at a fair price, in a timely manner and EXACTLY as I wanted. I even changed my mind mid construction a few times and they worked with me and adjusted the plan and presented various options. I got the kitchen I wanted- and even more. I highly recommend them if you are in the market for skilled, fair, professional contractors.

Jonathan, was a pleasure to work with, he came out right away to look at the work and scheduled all work and completed in a week. I was very happy with his workmanship and his reasonable prices. I would highly recommend him and his crew. I will definitely use them again in the future.

Very fast and reliable.

Absolutely the best contractor I have dealt with. Very prompt and great communication. Employees are great and hard working. I had my garage demolished by them in record time and they left the site cleaner than it was before they started! Highly recommend and I’ll be hiring them for more projects in the future.

Called them about some wiring issues in our house and they came the next morning and fixed everything (multiple wiring issues) within an hour. Super quick and very professionell and nice! They made sure everything worked right and cleaned up afterwards. Couldn’t be happier with the electrical service they provided!!

Fast, reliable, professional and friendly. Prices are reasonable and JT is very informative

We didn't have to wait, they came to see us the same day we called! They did an awesome job!

Reliable, good communication, got the job done . I would recommend his services. 👍

Cornerstone construction LLC, These guys are a truly angel's of God. They built a gazebo for me . Absolutely FANTASTIC.SO compassionated Kind, and many more I could go on. You're lucky if you get this company. to do work for you .You will be blessed like i was. Thank You again guys. Many of our lord's blessings!!!!!!

Cornerstone put a sub-pannel and a complete wiring of my property. They did a great job. Very dependable and professional.

Very happy with the work done to my home. They came and gave an estimate that was on point. Work was done in a reasonable timeframe. Highly recommend Cornerstone Construction!

Great work and fast response. Solved some electrical issues in my house. Highly recommend

Offered to come to my home for a small job, when no other electrician would do it. That speaks volumes.

Quality work very reliable, professional

Cornerstone Construction LLC was recommended to me by a co-worker of mine for an electrical job at my house. I called Jonathan and he was there the same day to review the job. The next day the job was completed in full. The work was professional, clean and neat. The owner was knowledgeable, friendly and willing to work with me. Your home is in good hands with Cornerstone Construction LLC. A+ service.

Good quality work good prices Someone you can trust👍

Lost power on two floors in my house two guys from Cornerstone came out and in 20 minutes power was fixed! Great service!

Very professional! Best electrician in carbon and Schuylkill county!

JT and his guys did amazing work on my back porch and living room! He also recently came and installed an outlet in my kitchen the day after I called. I highly recommend Cornerstone Construction.

JT and his assistant were timely and did great job and floor repairs in my upstairs hallway

I have rental properties and I’ve used Cornerstone Construction on multiple occasions to do electrical work and rehab jobs and the work, communications, and timelines were always prompt and great quality.

Very clean, friendly and always a good experience

Cornerstone Construction’s electrician came in to check all our outlets one apartment at a time on a Saturday. I was running late and he was very patient with me and professional when entering.

Shout out to the amazing craftsmanship and professionalism wit cornerstone construction

Excellent service!!!! They came the same day I called and completed the job quickly! They're the best!

Jonathan is a very skilled electrician. Excellent craftsmanship and fast response time. I’ve used Cornerstone multiple times, most recently for an outlet addition to a bedroom. The job was done quick and clean. Everything was done to code and safely. I highly recommend Cornerstone for all electrical and construction needs!

Prompt estimate done with attention to detail. Service was done one week later. The guys were on time and friendly. Made sure I was happy with the job before they left. Will 100% be giving them more business.

I called Jonathan for an estimate on a few electrical components I needed installed on a rental property of mine. That same day he was there on time and was able to present me with an estimate! He scheduled me for the very next day and the job was completed! him and his crew did a fantastic job from start to finish. I will be using cornerstone on my next project!

Cornerstone has come through multiple times when I needed him. Excellent work and professionalism. Thank you!

When we gutted our downstairs kitchen and living areas to the studs, our entire electric system had to be replaced. Because we were going to insulate with spray foam, JT at Cornerstone had to make sure our new sub panel and every plug, feed, and junction box was perfectly placed before the spray foam was applied. JT and his crew installed all the outlets and lights and appliances perfectly. His communication and many suggestions during the process ended with a dream kitchen. Below are “before” (brown tones) and “after” (gray tones) photos.

I called Cornetstone construction for an estimate and Jonathan went through a couple different ways to get what I wanted. We came to an agreement and they got the job done promptly and professionally very happy with the work they have done.

They did a great job updating my electrical throughout my entire house. They showed up when they said and did the job in the timeframe discussed A+

Awesome company to work with! Jonathon was prompt, knowledgeable, and installtion was flawless in completing our panel swap project! Communication was always swift and completed everything within the timeline given. Cannot recommend them enough!!

Great company to work with. They were highly professional, on time, and affordable. Cornerstone does excellent work and I'd highly recommend them anytime. Nothing but good things to say about these guys.

Great service, communication,n pricing!

The experience I had with cornerstone construction was by far the most professional, punctual, safe & clean co. I have ever dealt with, The quality of Jonathan Dering's workmanship is top notch, I'm a satisfied customer & would refer him without hesitation, It's not easy today to trust what people say they will or can do , Cornerstone construction will be who I call for any job I may need done in the future, Nice to know there are still good people out there,

I had a situation that was an inconvenience more than an emergency as I lost powered to my garage that is in the back of my property. I called on a Tuesday afternoon and they responded immediately and said they would be out at 7:00 AM the next morning. They spent all morning trouble shooting in the garage trying to find why my breaker kept tripping for the garage. After doing some minor repairs and the problem still there, it was determined that the issue was underground going from the house to the garage. The issue being there was still about 6 inches of snow on the ground. With a little bit of a warm up over the weekend, they came out and started digging a new trench, even though the upper part of the yard was still frozen. They started early in the morning and worked like bulls to dig the trench, lay new wire in conduit, and did not leave until the garage was back in operation and all the dirt and grass was put back in place. I really thought I would need to wait weeks to get this work done but they said they would complete as soon as possible and they did. I could not be more pleased with the service they provided.

Highly recommend. They worked on updating the electrical and remodeling of my units 4-plex. Ed From start to finish, communication was on point and professional. Deadlines were met on time so we could rent the units as soon as possible. Quality of work was excellent. They know what they are doing and it shows in their work. Would definitely use them again.

These guys are professional and do incredible work!

Very professional and organized. Had a great experience working with them. I will be calling them for any work I have in the future. The owner was very personable and went out of his way to make sure I was happy with the results. Highly recommend this amazing team!

Very reliable , does a very good job and is very respectful. Great quality and prices

I am so happy with the work Cornerstone Construction LLC has done for us! They were quick to demolish our garage and cleaned up better than it was when they started! Ifyou need a contractor, this is who you should contact! Very prompt, courteous and they are knowledgeable and trustworthy! I will always go back to them with future projects! ☮️

I’ve used Corner Stone construction for all my investment properties & renovations. The best in the business.