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!


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!

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

Our Work

We are a construction full-service provider.

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