Basement Remodeling Services Toronto & GTA

Custom basement finishing by First Class Remodeling

Specialized basement remodeling, built to code and finished to perfection.

Custom Built Basements is a specialized division of First Class Remodeling. We design, frame, waterproof, and finish basement spaces across the Greater Toronto Area, from legal secondary suites to luxury media rooms and spa bathrooms, all delivered with transparent pricing and a commitment to code compliance.

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(647) 424-2491

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From framing to finishes, we build basements that last.

Quality framing, proven waterproofing, and premium finishes come together to create lower-level living space you will actually use.

Basement Design

Custom layouts, 3D planning, and material selection tailored to your lower level.

Legal Suites

Fully compliant second dwelling units engineered for rental income.

Waterproofing

Dry, durable, and fully protected against moisture and cold.

All Services

Basement Finishing

Transform your unfinished basement into a beautiful, functional living space.

Basement Remodeling

Upgrade and modernize your existing basement with premium layouts and finishes.

Basement Waterproofing

Keep your home safe and dry with professional interior and exterior waterproofing.

Home Gym Basement Renovation

Custom-designed home gyms with reinforced flooring and proper ventilation.

Walk-Out Basement Renovation

Add natural light and direct backyard access with a custom walk-out basement.

Legal Basement Renovation

Fully code-compliant secondary suites engineered for safety and rental income.

Concrete Driveways

Durable, high-quality concrete driveway pouring, finishing, and repairs.

Side Entrance Walk-Out

Create private access for legal suites with professional side entrance construction.

Bathroom Renovation

Luxury basement bathrooms, spa suites, and custom tiled showers.

Kitchen Renovation

Custom basement kitchens, wet bars, and kitchenettes for entertainment or rental suites.

Brochure

Download our basement remodeling guide to see how we plan, budget, and build premium lower-level living spaces.

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Let's help you!

Custom Built Basements is a division of First Class Remodeling. We handle design, permits, framing, waterproofing, and finishing under one roof, with transparent pricing and code-compliant workmanship.

Contact Us

We have 20 years experience in residential basement renovation

Legal Suites

85%

Basement Finishing

78%

Home Theaters

65%

Our Project

Our Solution

Design & Planning

Custom layouts, 3D concepts, and material selection before a single wall goes up.

Project Management

A dedicated project manager, clear timelines, and transparent pricing from start to finish.

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Email address

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