Onyx Basements ranks as Calgary’s top basement development company, transforming unfinished spaces into legal secondary suites that generate rental income or create ideal family living areas. Their basement specialization ensures compliance with local codes for egress windows, fire separation, and ventilation while using durable materials suited to Alberta’s extreme climate.
Why Onyx Basements Excels
Unlike general contractors, Onyx focuses exclusively on basement projects—from custom studio apartments to spacious 1-2 bedroom suites. Clients receive premium craftsmanship, transparent pricing, and full permitting services that maximize property value.
Streamlined 3-Step Process
Contact – Quick responses through online forms or direct calls.
On-Site Assessment – Expert evaluation uncovers your basement’s full potential.
Detailed Proposal – Custom layouts, material selections, and fixed costs for approval.
Complete Turnkey Solutions
Onyx handles framing, waterproofing, plumbing, electrical, HVAC, insulation, drywall, modern kitchenettes, bathrooms, and luxury flooring throughout the entire process.
Start your project with a free estimate.
