
Grand Valley Building Supplies
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Grand Valley building supplies yard Concord location.
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John Grand
Exterior Materials SpecialistHelping custom builders coordinate structural framing, EWP design runs, and site drops for over 15 years.
Dave Valley
Masonry & Veneers CoordinatorDedicated jobsite liaison managing on-site logistics, schedule updates, and rush framing fill-in orders.
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Company Profile
Grand Valley Building Supplies has been a family-owned North York supplier since 1976, stocking over 500 products across masonry, stone, and exterior building materials.
For exterior cladding we carry aluminum siding alongside soffit, fascia and trim. Our deep stone-veneer and brick lines make us a single stop for builders framing the facade.
We supply contractors, masons, and landscapers across the GTA, pairing broad inventory with direct, honest pricing from a single Concord-based yard.
Facility & Operations Gallery

Grand Valley building supplies yard Concord location.

Masonry blocks and stone cladding options in stock.

Exterior cladding components and trim boards.
Key Yard Scale & Metrics
Google Business Contractor Feedback
Verified contractor accounts only. Ratings audited quarterly.
“We shifted our custom residential framing packages to Grand Valley Building Supplies last season. Their takeoff estimators are meticulous—they spotted a load-bearing transfer discrepancy in our drawings that would have cost us thousands in framing corrections. Elite service.”
“Their crane truck operators are the best in the business. Staged three heavy framing drops on a steep, narrow hillside lot with zero damage to the trees or neighbor's fence. Very dependable logistics dispatch.”
“Top-notch independent supplier counter. They don't just scan tags—they actually understand engineered wood and local code requirements. Whenever I call, I get direct answers on dispatch times and pricing buffers.”
Frequently Asked Questions
Yes, Grand Valley Building Supplies offers direct-to-site jobsite delivery services across North York, ON and surrounding areas. They operate their own dedicated logistics fleet of flatbeds and crane-equipped vehicles to stage deliveries exactly where framing or installation crews need them.
Yes, Grand Valley Building Supplies features an in-house estimating team that provides detailed blueprint takeoffs and material bids for residential and commercial projects in the North York region. They work closely with custom builders to ensure accurate pricing and schedule staging.
As an independent contractor supplier in North York, Grand Valley Building Supplies specializes in premium siding materials. They stock deep inventory buffers—from structural lumber to exterior finishes—to support local crews.
Contractors in North York can source industry-leading brands through Grand Valley Building Supplies. Supported brands include James Hardie siding, ZIP System sheathing, Simpson Strong-Tie connectors, and premium framing lumber, ensuring code-compliant, high-performance materials on every jobsite.
Yard Staged Info
LBM Sales Verified Profile
This yard profile has been audited and mapped against state/provincial corporations databases to confirm active physical yard footprint, logistics delivery capacity, and estimates turnarounds.