General Contractor & Construction Services in Thousand Islands and Jefferson County, New York

Petra General Services is a second generation family-owned and operated firm that combines 15 years of experience in construction, remodeling, renovations services and general contracting, with a commitment to quality and a focus on providing exceptional service.

Quality is at the heart of our work, and we strive exceed expectations. When it comes to general contracting and construction, the experts at Petra General Services can make your space exactly what you imagined it could be!

We are located in Clayton, New York, offering our services in Thousand Islands, Clayton, Fishers Landing, Cape Vincent, Alexandria Bay, Wellesley Island, Chaumont, Sackets Harbor, Jefferson County, and beyond!

Thousand Islands, Clayton, Fishers Landing, Cape Vincent, Alexandria Bay, Wellesley Island, Chaumont, Sackets Harbor, Jefferson County, and beyond!

Services

We have expertise in every area of construction, remodeling, renovations, and general contracting. With 15 years of experience, we deliver incredible results with a level of craftsmanship and detail that makes us one of the best construction services in New York State’s Capital Region and Jefferson County.

Construction Services

Petra General Services provides a range of thorough construction services tailored to your needs. From skilled craftsmanship to transforming living spaces, our team is committed to bringing your vision to life with meticulous attention to detail and high-quality workmanship. Elevate your surroundings with our expertise today.

  • General construction services

  • Carpentry
  • Kitchen renovations

  • Bathroom remodeling

  • Contracting services

  • Home improvements

  • Decks and porches

Roofing Services

Petra General Services extends its commitment to excellence and attention to detail to roofing projects through our specialized division. Trusted by numerous satisfied customers in New York’s Capital Region and Jefferson County, including the picturesque Thousand Islands, our roofing division is well-equipped to handle a wide array of tasks, from minor repairs to comprehensive roof replacements.

  • Roof Repair & Maintenance
  • Emergency Roof Services
  • Asphalt shingles
  • Roof Replacement

Concrete and Masonry Services

We specialize in transforming your indoor and outdoor spaces into impressive works of art. Our expertise and skilled craftsmanship ensure that your vision becomes a reality, enhancing the appeal and functionality of your surroundings. Trust us to bring practical excellence to every project, creating durable and aesthetically pleasing solutions tailored to meet your needs. Elevate your spaces with our commercial-grade concrete and masonry services.

  • Sidewalks
  • Retaining Walls
  • Versa Lok Walls
  • Masonry Parging
  • Custom Stone Work
  • Patio Spaces
  • Stamped Concrete
  • Concrete Repair
  • Wet Lay Stone
  • Cultured Stone Accent Walls
  • Exterior Stone Work

Plumbing Services

We excel in addressing a variety of plumbing needs, including sinks, toilets, faucets, water lines, drain lines, hot water heaters, and sewer/septic systems. Our team is highly skilled in handling repairs, installations, and renovations with precision and expertise. Trust us to complete your project, delivering the same peace of mind enjoyed by our satisfied customers.

  • Septic System.
  • Well Pump
  • Water Service (Street Lines)
  • Hot Water Heater
  • Toilet
  • Sink
  • Shower/Bath
  • Dishwasher & Washing Machine Plumbing
  • Drain Clogs, Toilet Clogs, Leaky Pipe Repair, etc.

Professional Painting Services

We offer premier painting services for all you spaces. Renowned for excellence, our skilled team specializes in bathroom, kitchen, exterior, and interior painting, along with deck refinishing and more. With a commitment to quality and meticulous attention to detail, we ensure flawless results in every project.

  • Bathroom and kitchen painting
  • Exterior home painting
  • Interior Painting
  • Deck painting and refinishing
  • Ceiling and basement painting
  • Living room painting
  • And more!
Professional Electrical and Electrician Contractor in Thousand Islands and Jefferson County New York

Professional Electrical and Electrician Services

Our electrical division manages a wide range of projects, from new home construction, remodeling, and basement wiring to electrical troubleshooting and repair.

  • Construction, Remodeling, Basement Wiring Services
  • Electrical Troubleshooting & Repair
  • Breaker Panel Installation, Repair and Upgrades
  • Electrical Wiring Installation, Repair and Upgrades
  • Home Safety Electrical Inspection
  • Electrical Code Corrections and Updates
  • Lighting Installation, Repair and Upgrades
  • Ceiling Fans Installation & Wiring
  • Electrical Outlet & Light Switch Installation
  • Dedicated Electrical Circuit
  • EV Charger Installation
  • Power Consumption Meters

Let’s Start your Project Together – Call us Now!

General contracting

15 Years of Experience

Constructing or renovating residential spaces requires expertise, experience, and specialized skills. Petra General Services is owned and operated by Jeff Senecal Jr., a contractor with years of experience.

From bathroom renovations to kitchen remodels, your project is in good hands with Jeff and his team on the job!

Let’s Start your Project Together – Call us Now!

Our clients value our work

4.7
Based on 43 reviews
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Jeffrey Flaherty
13:57 15 Nov 24
I am very happy with Jeff and his team. I have a fixer upper seasonal camp and was having terrible luck getting anyone to even come out. I finally found Petra and I am thankful I did. My job wasn't very large, but they showed up, communicated, and did what they said they were going to do. I will definitely contact them for future projects and will refer them to others in need. Thanks Jeff, Matt and team!
Steve Wallace
20:16 24 Oct 24
Petra did a significant amount of work for us this past year including a new roof, all new electrical systems and wiring, structural work and siding, and a significant amount of general carpentry work.We are very pleased with the outcome.They did great work and were a joy to work with.I highly recommend Petra General Services.
Chris Gordon
23:26 13 Oct 24
Jeff was quick to respond to our inquiry and kept us updated on the status of our project. Our porch was done ahead of schedule despite some unexpected foundation issues. We were very happy with the finished product and look forward to working with him in the future. Would definitely recommend Petra General Services.
Rick
12:49 12 Oct 24
Don’t know where to start. We were looking for a reliable contractor to replace a bay window in our cottage. I searched on line and found Petra Services with all extremely positive comments. I called and left my number. Jeff returned my call on a weekend! Matt came right over and accessed our needs. I obtained one other quote. There was no comparison. Our custom window arrived and Matt and Terance were hard at work. The only thing they would say was they would not leave until we were totally satisfied. Beautiful work was completed in a day and a few hours of fine finish. Of note, some of the siding we provided was a shade different from the rest of the exterior. Matt researched the issue and came up with a solution the completely eliminated the problem. I would have no problem recommending (against my usual tendencies) Jeff and Petra for any renovation or construction needs. Their professionalism is unparalleled.
Bruce Dano
16:17 30 Sep 24
Professional and easy to work with people. Very accommodating on work that needed to be completed with getting the new foundation put in. Now just waiting on the building to arrive and be placed on the foundation.
Liz Jarosz
21:02 12 Aug 24
I cannot say enough positive things about Petra General Services, Jeff and their concrete mason Ian . From the moment I contacted them to get an estimate for a patio and new retaining wall, I was impressed with their professionalism and expertise. Ian was very knowledgeable and offered valuable suggestions for the design of our patio.The finished product came out exactly as we Invisioned and the craftsmanship is wonderful! The concrete work is flawless, and the attention to detail is evident in every aspect of the project. The crew did encounter some crazy weather during the job and they faced some definite challenges. They cleaned up and fixed our yard which, because of the heavy rains, did get torn up. Ian was also was very particular about how the project came out. He even redid the top of our new retaining wall to meet his very high standards after the heavy rains. Ian went above and beyond with some of our requests and just as an all-around fantastic guy.I would recommend Petra to anyone looking for a top-notch concrete patio. They exceeded my expectations in every way! Thank you Ian for adding such a wonderful outdoor area to our camp!
Grama Bumpa
16:00 31 Jul 24
We recently hired Petra General Services to tear down our existing wraparound deck and rebuild it, including 2 sets of stairs. Jeff was prompt in responding to us and providing a comprehensive quote. During the work process, the 2 crew members, Matt and Terance, were diligent, personable, professional, all the praise-worthy adjectives. They were on-time, worked hard, cleaned-up the yard each day, and really knew their job. Jeff was flexible when changes came up, and made sure to get the necessary materials to the house right away. He also co-ordinated with the Village to ensure compliance and final inspection and to discuss any questions or concerns with us. We are very happy with the end result, and would recommend this group to anyone looking for quality work.
Nadine McPheeters
13:48 04 May 24
Highly recommend for professionalism, communication, consideration, expediency, job site maintenance and top notch quality outcome. We will be using Petra General Services for all future projects.* They took down and rebuilt our wrap around porch within 1 week!I contacted Petra General Services two months ago just to get some estimates for projects we had in mind. Jeff was very professional and easy to communicate with. In walking around our recently purchased old farmhouse, he observed our wrap around porch was resting on metal pipes vs wooden posts, it had not been built to code and furthermore, it was structurally unstable and a hazard.That became the priority. He was very timely with official estimates and communication, he was respectful of our time and budget considerations and definitely worked with us for an outcome we could be comfortable with. I never once got the sense that he was just selling a job, he legitimately seemed concerned for us and had safety at the forefront.When it came to the job, he put us on the schedule quickly. He showed up with one other employee and in 5 working days, they completely disassembled and disposed of our old porch, poured concrete footings and rebuilt the wrap around porch to perfection. During demolition, one of the metal pipes holding the old porch up, literally snapped at the base because it was completely corroded through. We had no idea how close we might have been to disaster or tragedy, but thankfully Jeff was very aware and prioritized our project.Materials and a dumpster sat in my front yard for a week and it was always neatly maintained. There was never any debris in my yard and every evening all the materials were neatly stacked. They arrived by 8AM, worked until dinner time and they took 10 minute lunch breaks at most. They never stopped working, they were incredibly polite, quick to answer any questions, offer explanations and updates and were even friendly towards my kids when they got off the bus and walked by. When they played music it was at an appropriate volume and was the most beautiful relaxing instrumental music, definitely not what you would expect and was so nice I opened my kitchen window so it filtered into the house.A week ago, Petra General Services were an hour into demoing my porch and last night, less than a week later, my kids and I ate celebratory pizza on our brand new, completely level, stable, beautiful, wrap around porch. We highly recommend Petra General Services to anyone seeking out a contractor and consider the cost of the project to be 100%, money well spent.
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Our Work

We are a construction full-service provider.

Hundreds of satisfied customers stand as our strongest testament to quality and adherence.