Our History

Astonia Landscaping has been providing homeowners with quality landscaping design and stone masonry since 1975. Our business has evolved tremendously over the past three decades. We started off from humble beginnings in 1975, completing porches and walkways. Over the years our company has scaled dramatically and gained in recognition, as we became a Unilock Authorized Contractor. Present day, we’re known for completing projects, patios, pools, outdoor kitchens, fireplaces, water features, lighting, excavation, gardens, retaining walls and more. We pride ourselves on providing our customers with the expertise of a big company while maintaining a family feeling.

What Sets Us Apart

​With over thirty years in the landscaping business, we have the skills and expertise to design and build a wide variety of large and small scale projects. Our design and construction projects balance aesthetics and function. We’re dedicated to providing efficient, cost-effective solutions for our customers.
 
We go above and beyond to ensure customer satisfaction:

• Investment in small and heavy equipment to increase job efficiency.
• No unsightly bins. We haul everything away in our trucks.
• Daily communication with the homeowner from project start to completion.
• Clean job sites.
• 5 million liability insurance, exceeding the industry average.
• WSIB coverage. 

Meet James Dennison,
​Owner & Third Generation Stonemason 

​A third generation stonemason, James’ passion for landscaping and heavy equipment began as a young boy, going to job sites with his father and grandfather. Passionate about design and function, James prides himself on the quality of design, construction and materials Astonia Landscaping offers. As a Unilock Authorized Contractor, he understands the value and importance of selecting high quality materials, our projects are built to last. ​

Let's talk about your project!