Everything You Need for Your Next Project

Whether you’re building from the ground up or making upgrades to an existing space, we’ve got you covered. Our comprehensive inventory includes:

• Lumber and Framing Materials: High-quality wood for strong and reliable construction.
• Roofing Supplies: From shingles to steel roofing, we offer durable options for every roof.
• Plumbing and Electrical: Pipes, fittings, wiring, and components to ensure a safe and functional build.
• Drywall and Insulation: Materials to create comfortable, energy-efficient spaces.
• Finishing Touches: Fixtures, fasteners, and tools to complete the job with style and precision.

Whatever your project requires, you’ll find it here.

Partnering with Castle for Quality You Can Trust

Our partnership with Castle Building Centres means access to the industry’s top brands and highest-quality products. Castle’s trusted network ensures that we deliver superior materials at competitive prices, giving you confidence in every purchase.

Save Money with Contractor Accounts

We understand the needs of contractors and businesses, which is why we offer exclusive contractor accounts with benefits like:

• Discounted Pricing: Save on bulk orders and frequent purchases.
• Streamlined Billing: Simplify your accounting with dedicated contractor invoicing.
• Priority Service: Get the materials you need quickly, so you can stay on schedule.

Partnering with us means saving money while receiving exceptional service.

Why Choose O’Connor Castle Building Supply?

• Extensive Selection: From foundational materials to finishing details, we stock everything you need.
• Expert Staff: Our knowledgeable team is here to help you choose the right materials and solutions for your project.
• Competitive Pricing: We offer great value, whether you’re shopping for a single renovation or a large construction job.
• Convenient Location: Based in Orillia, we’re easily accessible for contractors and homeowners throughout the area.

Build with Confidence

At O’Connor Castle Building Supply, we’re more than a store—we’re your trusted partner for all your building needs. With our Castle partnership, contractor accounts, and commitment to excellence, we’ve earned our reputation as Orillia’s best building center.

Start Your Project Today

Visit O’Connor Castle Building Supply in Orillia or contact us today to learn more about our products and services. Let us help you make your next renovation or construction job a success!