WE WORK WITH CONTRACTORS, BUILDERS & HOME OWNERS
Building Permit Drawings & Permit Application Support in the GTA
Permit-ready drawings, zoning review, submission support, and city comment response for homeowners, contractors, and business owners.
✔ Ontario Building Code Qualified
✔ RESIDENTIAL | COMMERCIAL
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Check your project status and stay updated as your drawings progress.

Why Plinth exists
Our Services
HOUSE
Legal Basements & Secondary Suites
Create additional living space with permit-ready, code-conscious drawings.
HOUSE
Interior Alterations & Renovations
Reconfigure your existing space with clear, detailed permit drawings.
HOUSE
Home Additions
Expand your home with practical designs and coordinated permit drawings.
HOUSE
Decks, Porches & Pergolas
Plan outdoor living spaces with practical, permit-ready documentation.
HOUSE
Garden & Laneway Suites
Create additional housing with coordinated design and permit drawings.
HOUSE
New Homes
Develop your new home with coordinated design and permit documentation.
COMMERCIAL
Commercial Fit-Outs
Transform commercial spaces with functional layouts and permit drawings.
COMMERCIAL
Commercial Interior
Adapt existing business spaces with clear, coordinated permit documentation.
HOUSE • COMMERCIAL
As-Built Drawings
Accurate existing-condition drawings for your current or future works or documentation.
HOUSE • COMMERCIAL
3D Rendering
Visualize your design before construction begins.
Who We Help
Who We Work With
Homeowners
Turn your ideas into clear permit drawings for renovations, additions, suites, and more.
Builders & Contractors
Keep projects moving with organized permit drawings, documentation, and practical project support.
Business Owners
Plan commercial improvements with clear drawings tailored to your space, needs, and project goals.
Architects & Designers
Extend your team with dependable permit drafting, code coordination, and project documentation.
Simple Process
How it Works
Project Review & Quote
Tell us about your project. We review your requirements, discuss the scope, and provide a clear written quote.
Site & Project Review
We review available property information, existing conditions, and applicable zoning and building code requirements.
Design & Permit Drawings
We develop the design and prepare a coordinated permit drawing package based on your project requirements and scope.
Finalization & Project Tracking
Review your drawings, request revisions, and access your project status online using your personal project access code.
OUR DIFFERENCE
Why Work With Us
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Ontario Building Code Qualified
Qualified through Ontario’s Building Code system, with practical knowledge of residential permit requirements and design.
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Clear Scope & Coordination
Clear project scope, straightforward expectations, and coordination with other professionals when additional expertise is required.
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Project Status Tracking
Stay informed throughout your project with a personal access code to check your drawing and project status online.
TELL US ABOUT YOUR PROJECT
SAMPLE WORKS
Permit Drawings & Design
Permit Questions, Answered
Can’t find your answer? Talk to a human
We provide permit drawings and design services for a range of residential and commercial projects, including legal basements and secondary suites, renovations, home additions, decks, garden and laneway suites, new homes, commercial fit-outs, and interior alterations.
Permit requirements depend on the type, scope, and location of your project. Renovations, structural changes, additions, secondary suites, new construction, and many commercial alterations may require permits. We review your project and help identify the drawing and permit requirements that apply.
We start by understanding your project scope, goals, property, and existing conditions. Depending on the project, useful information may include property surveys, existing drawings, measurements, photos, plans, and other available documents. We will let you know what is needed for your specific project.
We begin with a project review and written quote, followed by a site and project review. We then develop the design and permit drawings, complete revisions, and prepare the finalized drawing package. You can also monitor your project status online using your personal project access code.
Yes. We provide permit drawings and design services across the GTA and surrounding areas, including Toronto, Richmond Hill, Vaughan, Markham, Pickering, Ajax, Whitby, Oshawa, Mississauga, Brampton, Milton, Burlington, and Oakville.
Yes. When a project requires additional professional expertise, we can coordinate with the appropriate licensed professionals as part of the project process. The specific requirements depend on the project scope and applicable regulations.
Project timelines vary depending on the scope, size, complexity, existing information, revisions, and professional coordination required. After reviewing your project, we can provide a clearer expected timeline based on its specific requirements.
Yes. When a project requires additional professional expertise, we can coordinate with the appropriate licensed professionals as part of the project process. The specific requirements depend on the project scope and applicable regulations.
We prepare the applicable permit drawing package and provide permit support based on the agreed project scope. Municipal review and approval are handled by the applicable authority, and requirements or timelines can vary by municipality and project.
Click Here, to send us your project details, location, and what you are planning to build or change. We’ll review the project and let you know the appropriate next steps.



