• Keystone Developments
  • Keystone Developments
  • Keystone Developments

We believe that attention to detail is paramount. We are committed to completing projects of the highest quality that are not only aesthetically pleasing, but moreover allow for upmost functionality and enjoyment.

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About us

Keystone Developments is a trusted construction company serving the Greater Toronto Area and Muskoka, specializing in custom homes, multiplex construction, home additions, luxury renovations, and aging-in-place solutions.

Founded by two experienced partners with over 20 years of combined industry expertise, we bring extensive knowledge across all aspects of development and construction.We are known for our detail-driven approach and commitment to quality, delivering every project with precision - from planning through to completion.

Each project is approached with care and collaboration. We work closely with our clients to understand their vision and ensure every detail is thoughtfully planned and executed. Our skilled team uses the latest technologies and construction techniques to deliver projects on time and within budget, while maintaining the highest level of service and client satisfaction.

We also provide comprehensive services, including design coordination, permitting, project management, and full-service construction for residential and investment projects. Safety remains a top priority, with strict job site protocols, regular equipment inspections, and proactive risk management.

We look forward to working with you and delivering quality, reliability, and results you can trust. Contact us today to learn more.

Contact Us

Our Services

Whether we are working on a residential, commercial, or industrial project, we always strive to exceed our clients' expectations

Keystone Development

More than your traditional development firm we, at Keystone Developments, assist our clients with financing options to turn your dream into a reality.

Keystone Luxury Homes

We understand that every home is unique and requires a personalized approach, we work closely with home owners, architects and designers to achieve their vision and goals.

Keystone Commercial

Whether it be an interior fit-out or a new commercial building we, at Keystone Commercial, are here to assist your every step of the process from initial feasibility study to fruiting.

Keystone Project Management

Our team of dedicated professionals are here to take care of all the management aspects of your Residential, Commercial, or Industrial Projects on your behalf.

THE KEYSTONE DIFFERENCE

If you are looking for a development and construction company that you can trust to deliver exceptional results, look no further.

Find out more about our process:

  • Analisys
  • Design
  • Documents
  • Project Management
  • Maintenance
As a construction company, we are constantly striving to improve and innovate in our field. From implementing new technologies to streamlining our processes, we are committed to providing the best possible service to our clients.

We are proud to be a leader in the industry, and are dedicated to delivering high-quality, sustainable buildings that stand the test of time. Our team of skilled professionals is equipped with the knowledge and expertise to tackle any project, big or small.

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  • From the very beginning, they were transparent about the process and their pricing, which really instilled trust in their services. Throughout the project, they kept me informed and made sure to address any concerns I had. The end result was even better than I had hoped for, and I attribute that to the professionalism and transparency of the Keystone team.

    John M.

  • "I was thoroughly impressed with the quality of work. They were meticulous in their attention to detail and it really showed in the end result. I would highly recommend their services to anyone looking for top-notch construction and development work."

    Julia T.

  • "Keystone Developments did an excellent job on our home. Professional, reliable, and high quality work. Highly recommend."

    Dany P.

  • They handled everything from start to finish and made the entire process so much easier for me. The team was professional, reliable, and their work was of the highest quality. I couldn't be happier with the end result.

    Sarah B.

Contact Us

53 Woodstream Blvd, Woodbridge, ON L4L 7Y8 (Unit#1, Second Floor).

Office: +1 289-236-4430