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Child's bare feet on a wooden floor in front of a window.

Grossi Tile & Building Centre

We Are Here To Help You Every

Step Of The Way…..

How Can Grossi Tile & Building Centre Help?

Whether you are a homeowner looking for residential flooring solutions or a contractor working on a building project like a house, hotel, or restaurant, Grossi Tile & Building Centre Ltd in St. Catharines can help. We have a large inventory of everything from flooring to ceiling tiles, and all kinds of things for in between including accessories. Plus, our friendly and knowledgeable staff will guide you through our many products and suppliers and gladly share DIY advice if needed.

Our main products include:

  • luxury vinyl plank

  • laminate

  • carpet

  • ceramic tile

  • porcelain tile

  • hardwood

  • steel studs

  • drywall

interior of showroom for flooring options
Flat lay of stylish architect moodboard composition

Our Process

If you’re not sure where to start, ask one of our expert staff members. They will guide you through our huge selection of thousands of in-store items and present you with even more order-in items if you can’t find exactly what you’re looking for.


While we are a local and independent store, our stock and prices rival the big box stores, and we:

  • provide free estimates

  • give advice for DIY

  • provide expert flooring installation

  • fast turnaround on orders

Our Story

At Grossi Tile & Building Centre Ltd., we have proudly reached a milestone. We now celebrate over 50 years of business serving the Niagara region. We started in 1972 by Paul, Tony and Pat Grossi. Upon their retirement in 1989, the business was purchased by Paul’s children, Joanne and Steve. From our humble beginnings back in 1972 to becoming a trusted leader in the market, Grossi Tile remains passionate about providing excellent service to our valued customers. Builders, contractors, and homeowners alike have relied on us to provide the materials they need to bring their visions to life.


Grossi Tile & Building Centre Ltd. is more than just a flooring supplier. We're your friendly neighbourhood guide for all your building needs, offering expert advice and top-tier materials like drywall, steel studs, ceiling tile, grid, porcelain tile, carpeting, hardwood and much more. Let us help you to transform your indoor space! Our friendly knowledgeable staff makes your shopping experience easy and stress free. Their Professional customer service will guide you every step of the way.

Couple looking ceramic and tiles for their new home floor

Why Hire Us?

Proudly serving Niagara since 1972

Family owned & operated

Non-commissioned staff

Great low prices

We can help you with your project!

DIY or quality-certified installations

Huge in-stock selection

Customer Reviews 

See what our clients say about us on Google:

google reviews logo
Helpful Excellent Service!

Excellent service and quality. Just completed my shower and everything worked perfectly!! Joanne is a pleasure to deal with and very helpful in ensuring everything required is included. Thank you very much to Joanne and the Team!!

Selection & Price!

A massive selection of tiles at reasonable prices. Helpful staff and they do a good job in the installs. We had them back to do the floor and backsplash of your new kitchen. Once again, job well, done start to finish. We highly recommend this company.

On Time on Budget!

Excellent variety of products and choices. Along with expert advice and service, we keep coming back for our flooring and tile projects. On time, on budget.


These guys brought me a truckload of drywall for my project. The driver and helper were polite, fun, lighthearted and great guys all around. They helped bring all 100+ sheets into the house. These guys work very hard. Incredible work - thank you!

Will Go the Extra Mile!

Grossi is an excellent family-owned business. They are extremely helpful and will go the extra mile to make sure you have what you need for the job. I'd highly recommend them and will be using them again for my next project.

Professional Affiliations

Members Of
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niagara construction association
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