Calgary's housing market favors smart expansions like basement suites for added value and rental income. Onyx Basements emerges as a top choice for professional basement development, delivering legal, high-quality suites tailored to local needs.​

Onyx Basements' Expertise

Onyx Basements specializes in full basement suite transformations, handling everything from initial design to final inspections. They create functional spaces like studios, one-bedrooms, or family suites with modern kitchens, bathrooms, and open layouts. Their Calgary-focused approach ensures compliance with city codes for fire safety, egress windows, and utilities.​

Comprehensive Services Offered

The company provides end-to-end solutions including framing, plumbing, electrical, HVAC, insulation, drywall, flooring, and custom cabinetry. Homeowners benefit from personalized consultations that align projects with budgets and lifestyles. Transparent pricing and efficient scheduling minimize disruptions during construction.​

Legal Compliance and Permits

Onyx Basements excels in navigating Calgary's secondary suite regulations, securing all necessary permits upfront. This prevents delays and ensures suites meet ventilation, separation, and safety standards for legal rentals. Proper planning supports income generation or multi-generational living without compliance risks.​

Proven Process for Success

Projects begin with detailed site assessments and 3D renderings, followed by trade coordination and quality checks. Clients appreciate the focus on durable materials suited to Alberta's climate, from soundproofing to energy-efficient features. Completion timelines stay on track, delivering move-in-ready results.​

Why Choose Onyx Basements

Homeowners gain increased property value, flexible living space, and potential rental revenue through professional development. Onyx stands out for craftsmanship, local knowledge, and customer satisfaction in Calgary's competitive market.