John Thomas Construction | General Contractors & Roofing in Niagara Falls, NY 14301

Our free consultation is a chance for us to see your space, understand your goals, and discuss realistic timelines and budgets. We'll listen to your ideas, assess the existing conditions—common in many older Niagara Falls homes—and provide an initial outline of how we can approach your project. It's a no-pressure meeting to ensure we're a good fit and to give you clear, actionable next steps for your renovation.

Yes, we specialize in expanding living space, including full building additions, new room additions, and constructing guest houses or Accessory Dwelling Units (ADUs). Serving Niagara and surrounding counties, we navigate local zoning and building codes to create seamless additions that match your home's style and structure. Whether it's a bedroom, bathroom, common area, or a detached garage, we manage the project from design to completion with quality craftsmanship.

In the Niagara Falls area, wind, moisture, and freeze-thaw cycles can compromise chimney flashing and roof underlayment. Our roofing specialists conduct thorough inspections to identify these specific failure points. We repair or replace flashing using durable, code-compliant methods and ensure the underlayment provides a solid secondary barrier. Our focus is on a lasting fix that protects your home from Western New York's weather, preventing interior water damage and preserving your roof's integrity.