Welcome to Niagara Block, a family-run company offering a full range of block, commercial and residential masonry products, building supplies and landscaping materials. Whether you’re a professional, contractor or a do-it-yourself weekend warrior, Niagara Block is your one-stop source for everything from standard, architectural and dry block to gravel, paving stones and accessories. Our proudly Canadian company is built on an 80-year commitment to quality and customer satisfaction.