Basement Development & Legal Suites
All Services

Legal Basement Suite Development in Calgary

Transform your basement into a fully legal, income-generating secondary suite. We handle permits, construction, and inspections - delivering code-compliant results you can rent with confidence.

Licensed & Insured
PMP Certified
Permit Experts
On-Time Delivery
About This Service

Calgary's Trusted Basement Suite Experts

Building a legal basement suite in Calgary requires expertise in municipal regulations, building codes, and quality construction. At TrekStone, we specialize in creating beautiful, functional secondary suites that meet all City of Calgary requirements.

Whether you're looking to generate rental income, create space for family members, or add value to your property, our team handles every aspect of the project - from initial design and permit applications to final inspections and cleaning.

With PMP-certified project management, you get professional oversight that ensures your project stays on budget, on schedule, and fully compliant with all regulations.

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What We Offer

Our Basement Development & Legal Suites Services

Full Basement Finishing

Full Basement Finishing

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

Open-concept layoutsBedroom additionsRecreation roomsHome offices
Legal Secondary Suites

Legal Secondary Suites

Build a fully code-compliant rental suite with proper fire separation and separate entrance.

45-min fire separationEgress windowsSeparate entranceHVAC zoning
Permit Coordination

Permit Coordination

We handle all City of Calgary permit applications and approvals.

Development permitsBuilding permitsInspection schedulingCode compliance
Code-Compliant Installations

Code-Compliant Installations

Professional electrical, plumbing, and HVAC work that meets all Alberta building codes.

Licensed electriciansCertified plumbersHVAC specialistsSafety inspections
Why Choose Us

Benefits of Working with TrekStone

Full Permit Coordination

We handle all development and building permit applications with the City of Calgary.

Code-Compliant Construction

Fire separation, egress windows, ceiling heights - all requirements met and inspected.

Turnkey Solution

From bare concrete to move-in ready, including post-construction cleaning.

Rental Income Potential

Legal suites in Calgary can generate $1,200-$1,800+ monthly rental income.

Property Value Increase

Legal secondary suites typically add 60-80% of construction cost to home value.

Insurance & Liability Protection

Legal suites ensure your insurance coverage remains valid.

FAQ

Frequently Asked Questions

How long does it take to build a legal basement suite?

Typically 8-12 weeks depending on scope and permit processing times. We provide a detailed timeline during the planning phase.

What are the requirements for a legal suite in Calgary?

Key requirements include fire separation (45-min rated), egress windows in bedrooms, separate entrance, minimum ceiling height (2.0m), and proper HVAC. We ensure all requirements are met.

Do you handle all the permits?

Yes! We coordinate all development permits, building permits, and inspections with the City of Calgary. This is included in our service.

What's the typical cost of a basement suite?

Legal basement suites typically range from $50,000-$120,000 depending on size, finishes, and existing conditions. We provide detailed quotes after assessment.

Ready to Start Your Project?

Get a free consultation and detailed quote. No obligation, no pressure - just honest advice and professional service.