Contact - Markham

At JR Marine Construction, we are proud to provide Markham property owners with high-quality marine and shoreline solutions designed to protect, restore, and enhance waterfront living. With a strong reputation for dependable service and skilled craftsmanship, we deliver a full scope of expertise—from shoreline stabilization and erosion control to the construction of custom docks, boathouses, and other waterfront features. Our team also offers barge services and aquatic vegetation management, helping keep lakes and ponds healthy, functional, and visually appealing. Whether the project involves reinforcing a damaged shoreline, building a reliable docking system, or improving the overall condition of your waterfront, we complete every job with care and precision. We understand the specific needs of waterfront properties in Markham and are committed to providing results that protect your investment while enhancing your enjoyment of the water for years to come.
Email: info@jrmcinc.ca
Phone: 905-473-7000
Our Marine & Shoreline Services in Markham
Shoreline Protection & Erosion Control – Safeguarding Markham waterfronts with durable armour stone, natural rock, and eco-friendly solutions that prevent erosion while strengthening shoreline stability.
Custom Dock & Boathouse Builds – Creating premium docks and boathouses designed to complement your property’s layout and enhance your waterfront lifestyle.
Barge & Water Access Services – Providing reliable barge transportation for heavy materials and equipment, along with support for construction projects that require water access.
Aquatic Vegetation Control – Managing pond and lake weed growth to maintain waterways that are safe, attractive, and enjoyable for recreational use.
Marine Repairs & Seasonal Maintenance – Delivering inspections, structural repairs, and upkeep to extend the longevity and safety of docks, seawalls, and other shoreline features.
Permit Support & Guidance – Assisting Markham property owners with the necessary permitting process for shoreline and in-water projects, helping streamline approvals and reduce delays.
Our Work
News & Updates

Build a Shoreline That Lasts: Heavy-Gauge Steel Sheet Pile by JR Marine Construction
Your shoreline isn’t just a boundary — it’s the heart of your waterfront lifestyle. It’s where kids cannonball off the dock, where summer barbecues bring

Built to Ride Out Every Wave: Granite Rock Shorelines by JR Marine Construction
Waves, boat wake, ice, and fluctuating water levels can eat away at a shoreline one storm at a time. The fix isn’t always a rigid

Tackling Invasive Aquatic Weeds in Ontario: Protecting Your Shoreline, Beach, and Marina
Ontario’s lakes, rivers, and ponds are some of the province’s greatest treasures. From cottage owners enjoying private beaches to marinas supporting recreational boating, these waterways

5 Reasons Retaining Walls Are Essential for a Strong, Beautiful Shoreline
Owning waterfront property in Georgina or along Ontario’s nearby lakes is a dream come true. Your shoreline is one of your greatest assets, offering unmatched

Protecting Your Shoreline with Heavy-Gauge Steel Sheet Piling
When you own waterfront property, your shoreline is more than just a scenic view—it’s part of your investment. Over time, wind, waves, ice movement, and

Repair or Replace? A Smart Dock Owner’s Guide to Extending Your Waterfront Investment
If you’re staring at weathered boards and wobbly cleats wondering whether your dock is worth saving, you’re not alone. At JR Marine Construction, we see