About Us

Established in 1999, Keinzen Construction has over 26 years of experience in carpentry and outdoor construction throughout the Greater Toronto Area. Founded by a skilled carpenter and proud family man, Keinzen has grown steadily through word-of-mouth referrals and satisfied clients who value quality work done right.

We specialize in:

• Custom Decks & Fences
• Gazebos & Outdoor Structures
• Sheds, Porches & Home Additions
• Framing & Retaining Walls

Every project is built with a commitment to quality craftsmanship, attention to detail, and full compliance with local by-laws and building codes. Whether you're enhancing your backyard, adding to your home, or improving your property's curb appeal, Keinzen Construction brings expertise and care to every build.

We don’t just build structures — we build spaces for families to enjoy for years to come.