"Working with James was great from the beginning. He put my mind at ease with his product knowledge and his creative designs."
GTA · Service Area
Landscape design & stone masonry in Burlington.
Astonia Landscaping brings five decades of natural-stone masonry and luxury landscape design to Burlington. The work is owner-led, and our own crews and equipment handle it end to end — from the first walk of your property to the final cut of stone.
- Since 1975
- 3 Generations
- $5M Insured
- WSIB Covered
- Design-Build
In Burlington
Landscaping that belongs in Burlington.
Burlington sits where the Niagara Escarpment meets Lake Ontario, and that geography shapes the homes we work on. In Roseland, mature lots sit under old trees with established grades and decades-old hardscape that often needs to be respected rather than erased. In Aldershot, larger estate parcels closer to the bay give room for a fuller composition — terraced stone, a pool, an outdoor kitchen — but reward a design that frames the escarpment rather than competing with it. We read the site first and let the existing trees, slope and sightlines lead.
Many Burlington projects are renovations rather than blank slates, and that asks for restraint. Working around a mature canopy means protecting root zones and staging carefully; working on a graded lot means managing drainage and retaining walls so the new stonework sits as if it were always there. Because we own our small and heavy equipment and run our own crews, we can work on these established properties without relying on a subcontractor's schedule, keeping the site clean and orderly throughout.
Homeowners here tend to be making a once-in-a-generation investment in a property they intend to keep, and they value craft and accountability over speed. As a third-generation stone family, we handle the daily communication ourselves, and our crews are WSIB-covered and backed by $5M liability insurance — the kind of footing that matters on a high-end build close to the lake and the escarpment.
How it works
From first handshake to final reveal.
01
Initial Consultation
We meet you on-site to walk the space, understand how you want to live in it, and talk through your vision and investment — no obligation.
02
Design & 3D Review
Our designer measures and plans your space, then renders it in 3D so you can see it before we break ground. We refine every detail together.
03
Breaking Ground
Our own crews and equipment start at 7:00 AM, keep the site clean every day, and brief you each morning and evening — no subcontractor gaps, no delays.
04
Project Completion
After a final walkthrough, the only thing left behind is your finished space — built to gather on for generations.
The Astonia difference
Why homeowners in Burlington choose us.
Owner-led
Daily communication from the owner, from the first handshake to the final reveal.
Our own equipment
Small and heavy machines, run by our own crews — no subcontractor delays.
Built to last
Overbuilt foundations and natural stone, meant to hold their line for generations.
$5M insured
Liability coverage above the industry average, for your peace of mind.
WSIB covered
A fully covered, professional crew on every project.
Design-build in-house
One team designs, builds and plants — no trades to chase.
Kind Words
Homeowners across the GTA, on the Astonia experience.
Five decades of referrals across the GTA & Durham. Read more on Google& Houzz.
"The natural stone work and landscape job that James and his crew did is beautiful, outstanding work. The quality is outstanding — we would recommend this company to anyone."
"Astonia was a delight from start to finish. The crew showed up early and worked long days to finish on time. We are now enjoying the most amazing front yard. Outstanding results!"
"As a repeat client, we selected Astonia to transform our simple backyard into a relaxing space amongst a natural setting that will bring us many years of pleasure."
Good to know
Landscaping in Burlington, answered.
We design and build across the GTA & Durham region — including Toronto, Etobicoke, Mississauga, Brampton, Oakville, Vaughan, Markham, Newmarket, Aurora, King City, Whitby, Oshawa, Bowmanville and the surrounding areas.
Every project is different — from focused stonework to a full landscape transformation — so we provide a clear, detailed proposal after an on-site consultation rather than a generic price. Most of our work is a meaningful, lasting investment in your property.
Timelines depend on scope, and you receive a realistic one at the design-review stage before we break ground. Because we own our equipment and run our own crews, we work efficiently — starting at 7:00 AM and keeping the site clean every day.
Yes. We carry $5 million in liability insurance — above the industry average — and our crews are fully WSIB covered.
Yes. Our designer visits your home to measure and plan the space, then renders your project in 3D so you can see it before any work begins. We review and refine it together until it is right.
Often, yes. We build alongside landscape designers, architects and major pool builders across the GTA, and we can also design and build the whole project in-house. Either way you deal with one accountable crew from the first site walk to the final planting.
Astonia is led by James Dennison, a third-generation stonemason with five decades of craft. You get the expertise of a large company with the warmth and accountability of a family business, owner-led from start to finish.
Your Burlington project starts here.
Book a free on-site consultation. We design, build and plant the whole space — one accountable crew from the first site walk to the last stone set.
$5M insured · WSIB-covered crews · 3rd-generation craftsmanship since 1975