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Koerner Construction

5.0 (1 review)

Services - Koerner Construction

Guest house or ADU construction

Manufactured home construction

Modular home construction

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3 years ago

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Malcarne Contracting Inc.

Malcarne Contracting Inc.

(14 reviews)

My wife and I bought a house built in 1960, which had been improved over the years in various ways…read morethat apparently made sense to the owner at the time. It was drafty, and had no air conditioning. I wanted to take advantage of NYSERDA's home energy improvement loan, and ideally get the air conditioning installed as well, all at the same time. I also wanted to be as energy efficient as possible, so I was looking for a company with experience in ductless mini-split units. Since we hadn't moved in yet, Joseph made us his priority, so things got done quickly. His team insulated all the exterior walls, added insulation to the roof, air sealed the house, installed a radon removal system in the basement, and installed 5 ductless mini split units. And as I've now learned is normal for an older house, several other things had to be done to allow the things we actually wanted done to be done, like relocating the service drop coming into the house, replacing the fuse box, and so on. They also did some minor things like replace the truly scary electrical connection going to the dishwasher, install a fire-rated door to the garage, and deal with some plumbing issues. The men doing the work were all very professional, and were very good about cleaning up after themselves at the end of each day. They got there in the morning when they said they would, and were very careful about not leaving doors or anything open where my cat could escape. And when I had to go to work and no one could be there at times, I had no concerns leaving them at the house by themselves. Joseph stopped by several times through the process to make sure things were going well. He seems intent on getting things done right, and not cutting corners. When we had an issue with one of the upstairs air handlers making a very loud whistling noise, several people came back and installed an extra return to reduce the noise dramatically. I have no qualms about recommending Malcarne Contracting to people I know, and I'll certainly be hiring them again for any other work that needs to be done.

If I could give Malcarne Contracting in Rhinebeck, NY zero stars I would. When called about having…read morework done to our house the woman confirmed they did, indeed, do what we needed. The estimator stopped by two days later. He was beyond terrible. Malcarne ghosted us. We never received an estimate or heard back from them.

RJ Contracting & Excavating

RJ Contracting & Excavating

(3 reviews)

He built this beautiful home in Woodstock NY. From clearing the land, putting a foundation, framing…read moreit and the driveway.

I'm sharing my personal experience with RJ General Contracting LLC of Saugerties, NY during a home…read morerenovation. This reflects what I observed, what I documented, and what independent professionals later communicated to me. I paid in full upfront for a complete electrical upgrade and new window installation, which I now regret. I expected the project to follow the schedule in our signed contract, but it did not. It has now been over a year. Workers who were present early on became less present over time. The contractor states his crew was on site full‑time, but that did not match what I personally observed or what neighbors reported. Communication became inconsistent, deadlines were missed, and progress slowed significantly. Because of ongoing delays and work that licensed professionals later described as deficient, I ended the contract. The contractor says he was not given time to finish, but my documentation reflects many delays and reassurances over a 10‑month period. Independent inspectors and engineers identified issues with window installation, electrical work, and structural elements. Their written reports suggest that several items require revision to meet safety and code standards. This is particularly important to me, my family, and guests who will be staying there. It was onlly after termination that I received change orders. They were not accompanied by the detailed invoices I had been requesting for months. The contractor has still not provided supporting documentation, and it has been well over a year. In my opinion, and based on conversations with other professionals and their written reports, the amounts listed are extremely high, exaggerated and inconsistent with the work completed. A substantial amount of work remains unfinished or needs revision. I've attached communication and documents related to my experience so others can review the information directly and form their own conclusions. For clarity, the contract ended due to repeated delays, missed contractual deadlines, and work that inspectors and other licensed professionals documented as not meeting code requirements. These findings were especially concerning to me because my family and guests will be staying in the home. The contractor maintains he was not given time to finish. My records show many delays and reassurances throughout the project, and significant work remains incomplete. From my perspective, he was given multiple opportunities to complete the work that had been paid for in full 10 months ago, specifically the electrical upgrade and full window installation. I'm sharing my experience so others can make informed decisions. In my opinion, it's important to research contractors thoroughly, check references, and be cautious with large upfront payments.

Koerner Construction - contractors - Updated October 2026

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