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Are you a Innisfil homeowner who wants to make improvements to your home yard with a custom-built deck? Demex Decks is your trusted local deck builder, delivering high-quality, durable, and beautiful decks since 2010. Whether you want to create a cozy place for family gatherings or a modern outdoor retreat, our experienced team is ready to make your vision a reality.
You will be relaxed during and after the building of your deck. In addition to our excellent skills and great equipment, we have the necessary insurances. Also, we will provide a 2-year guarantee on our work.
You’ll have the peace of mind that you’ll be working with professionals who are dedicated to exceeding your expectations. Having completed numerous projects in Innisfil and the surrounding areas, our team has a wealth of experience in deck construction. With every deck we build, we take pride in our workmanship and strive for perfection.

At Demex Decks, we specialize in crafting custom decks that elevate outdoor living. Whether you’re in Alcona, Lefroy, or Belle Ewart, our team is ready to serve you with:
Choosing the right deck builder in Innisfil is crucial to ensuring your project is a success. Since 2010, Demex Decks has built a reputation for delivering high-quality decks that stand the test of time. Here’s why homeowners in Innisfil trust us.
We offer a range of materials, from cost-effective pressure-treated wood to low-maintenance composite decking, ensuring that your deck not only looks great but lasts for years to come.









What areas of Innisfil do we serve?
As your local deck builder, we proudly serve homeowners in all neighborhoods across Innisfil, including:
Wherever you are in Innisfil, Demex Decks is here to help you create the perfect outdoor living space tailored to your home and lifestyle.
How long it takes to build a deck?
The size of the deck should be taken into consideration, the more complex the deck design, the longer it may take to complete. On average, deck construction in Innisfil takes between 5 to 14 business days. The exact timeline for deck construction can be given after the project design has been surveyed and agreed upon.
What is the average cost to build a deck in Innisfil?
For example, the average cost to build a 16×16 deck (frame and decking) for 2024 with pressure treated wood is $34.69 / sq. ft. including labor and materials.
You can calculate the average cost of a deck using the data on the cost page. To calculate the full cost, you need to be an expert in deck building and understand all the technical aspects, know the quantities of all materials needed and their costs, as well as your city’s deck building codes. Or simply contact us for an estimate.
How to contact the Building Services Department in Innisfil?
Town of Innisfil
2101 Innisfil Beach Road
Innisfil, ON L9S 1A1
Phone: 705-436-3710
Email: inquiry@innisfil.ca
Office Hours:
Monday – Friday 8:30 AM to 4:30 PM
Whether a permit is required to build a deck in Innisfil?
Discover if your project requires a building permit from the Town. If you are not sure if your project requires a permit, contact us at buildingpermit@innisfil.ca.
Permits are required for the following projects:
Which are Zoning By-law Standards in Innisfil?
The Zoning By-law 080-13 of the Town of Innisfil regulates the use of buildings and land in accordance with the policies set out in our Official Plan. There are different permitted land uses and regulations depending on which zone your property is located in.
Are there any residential deck building guidelines for homeowners in Innisfil?
Review the helpful guide that provides step-by-step assistance with decking applications in Innisfil.