Legal Second Suites & Basement Apartments in Barrie
Build a legal second suite in your Barrie home and create a reliable second source of income. At Building Integrity Inc., we specialize in designing and constructing fully compliant basement apartments and secondary units, handling everything from permits and planning to final construction.
Serving Barrie and surrounding areas including Innisfil, Springwater, and Oro-Medonte.

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Basement Apartment Conversions
Turn your existing basement into a legal rental unit with proper layout, entrances, and safety features.

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Permit & Code Compliance
We handle permits, inspections, and all compliance requirements so your second suite is fully approved and stress-free.

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Legal Second Suite Construction
We build fully compliant second suites in Barrie, ensuring your space meets all Ontario building code and municipal requirements.

Why Build A Legal Second Suite?
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Generate monthly rental income
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Increase property value
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Create multi-generational living space
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Maximize unused basement space
Unlock the Potential of Your Basement With A Legal Suite
We specialize in legal second suites in Barrie, managing zoning requirements, permits, fire separation, soundproofing, and building code compliance. Our team ensures your basement apartment is fully legal, safe, and built for long-term rental income.

