Building Permit Drawings Ontario | BCIN-Certified Designer
Ontario Design Studio provides BCIN-certified building permit drawings for residential homes, home additions,
legal basement apartments, secondary suites, decks, and commercial projects across the GTA and Ontario.
Founded by Nadeem Pathan, a Civil Engineer with BCIN certification, we handle site measurement,
OBC-compliant drawings, and municipal submission — from first consultation to approved permit.
Call us at 416-558-9607 for a free quote.
Phone: 416-558-9607 |
Email: info@ontariodesignstudio.ca
Building Permit Drawing Services in Ontario
Residential Building Permits — Homes, Additions & Renovations
Whether you're planning a home addition, kitchen renovation, or basement conversion, Ontario Design Studio prepares professional residential building permit drawings that comply with Ontario Building Code (OBC) Part 9 standards. Our BCIN-certified designer works with homeowners across Toronto, Mississauga, Brampton, Markham, Vaughan, Hamilton, Oakville, and Burlington to obtain approval quickly and avoid costly delays.
Learn more about residential building permits →
Commercial Building Permits — Retail, Offices & Restaurants
Our commercial building permit drawings expertise covers retail storefronts, office renovations, restaurant fit-outs, and tenant improvements across Ontario. We understand municipal code requirements and help expedite the permit process for commercial properties.
View our commercial building permit services →
Legal Basement Apartment Permit Drawings
Basement apartments and separate dwelling units require specialized OBC-compliant design covering egress windows, fire separation, ventilation, ceiling height, and separate entrance details. Ontario Design Studio has helped homeowners legalize basement apartments throughout Toronto, Mississauga, Brampton, and across the GTA.
Basement apartment permit drawings →
Secondary Suite & Garden Suite Permit Drawings
Secondary suites and garden suites are increasingly popular across Ontario. We prepare complete permit drawings for laneway houses, detached garden suites, and accessory dwelling units (ADUs) that comply with current zoning and building code regulations.
Secondary suite permit drawings →
Deck & Porch Permit Drawings
Many homeowners are surprised to learn that decks require building permits in Ontario when they exceed 600mm above grade. Our deck permit drawings are prepared to OBC standards with proper structural details, footing specifications, and railing requirements.
Deck and porch permits →
Duplex, Triplex & Multiplex Permit Drawings
Multi-unit residential projects require careful design and OBC compliance. We prepare permit drawings for duplexes, triplexes, and small multiplex buildings across Ontario municipalities under Bill 23 and current provincial density guidelines.
Multiplex permit drawings →
Load Bearing Wall Removal Permit Drawings
Load bearing wall removal is one of the most critical structural modifications in home renovation. Ontario Design Studio works with structural engineers to prepare detailed permit drawings that ensure safety and building code compliance.
Load bearing wall removal permits →
Interior Renovation Permit Drawings
Not all renovations require permits, but many do — including structural changes, plumbing moves, electrical panel upgrades, and room additions. We help homeowners understand when permits are needed and prepare comprehensive interior renovation drawings.
Interior renovation permits →
Basement Separate Entrance Permit Drawings
Adding a separate entrance to a basement unit creates legal rental income opportunity. We prepare detailed drawings showing egress stairs, grading modifications, and retaining wall details that comply with Ontario Building Code.
Basement entrance permits →
Basement Underpinning Permit Drawings
Basement underpinning allows homeowners to lower basement floors and create legally required ceiling height for occupancy. This structural work requires detailed engineering drawings and building permit approval.
Basement underpinning permits →
Service Areas — Building Permits Across Ontario
Ontario Design Studio serves homeowners and businesses in major municipalities across Ontario including Toronto, Mississauga, Brampton, Markham, Vaughan, Hamilton, Oakville, Burlington, Richmond Hill, Oshawa, Whitby, Ajax, Pickering, Kitchener, Waterloo, London, Ottawa, Barrie, Guelph, Cambridge, St. Catharines, Niagara Falls, and Windsor.
About Ontario Design Studio — BCIN-Certified Civil Engineers
Ontario Design Studio was founded by Nadeem Pathan, a Civil Engineer with BCIN (Building Code Identification Number) certification. Nadeem brings extensive experience in building design, permit drawing preparation, and Ontario Building Code compliance across the GTA and Ontario. Our mission is to make building permits simple, fast, and stress-free for homeowners and business owners.
BCIN certification means our designer is licensed by the Province of Ontario to prepare and submit building permit drawings directly with municipalities. This ensures your drawings meet all OBC requirements and accelerates the approval process.
Learn more about Ontario Design Studio →
Frequently Asked Questions — Ontario Building Permits
What is a BCIN designer in Ontario?
A BCIN (Building Code Identification Number) designer is a professional licensed by the Province of Ontario's Ministry of Municipal Affairs and Housing to prepare and submit building permit drawings. Ontario Design Studio is led by Nadeem Pathan, a Civil Engineer with full BCIN certification, ensuring OBC compliance and direct municipal submission authority.
How much do building permit drawings cost in Ontario?
Residential additions typically range from $800–$2,500; basement apartments from $1,500–$4,000; decks from $500–$900; and commercial projects vary by scope. We offer a free quote after reviewing your project details. Call 416-558-9607 or use our online contact form.
How long does it take to get permit drawings?
Ontario Design Studio typically delivers permit-ready drawings within 5 to 10 business days. Rush turnaround within 2–3 business days is available on request. Simple renovations may be completed in 3–5 days.
Do you serve all of Ontario?
Yes. We prepare building permit drawings for projects across Ontario, with primary coverage in the GTA including Toronto, Mississauga, Brampton, Markham, Vaughan, Oakville, Burlington, and Hamilton, plus wider Ontario cities including Ottawa, London, Kitchener-Waterloo, Barrie, and beyond.
Do I need a permit for a basement apartment in Ontario?
Yes. Converting a basement into a legal apartment in Ontario always requires a building permit. Ontario Design Studio prepares complete OBC-compliant permit drawings covering egress, ventilation, fire separation, and separate entrance details for basement apartment legalizations across the GTA.
Do I need a permit for a deck in Ontario?
Yes, most decks require a building permit in Ontario when they exceed 600mm above grade. Our BCIN-certified designer prepares complete deck permit drawings including structural, footing, and guardrail details.
Building Permit Resources & Blog