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Planning a new home, an addition or a rental suite? You do not have to figure out the paperwork alone. OBCpermits helps homeowners across the Greater Toronto Area go from first idea to approved plans, with beautiful design at affordable prices.
If you are researching Toronto building permits, this page explains when you need one, how the process works, what the drawings include and what to expect along the way. It is reviewed by Andrew Trotter, AATO, BCIN, Principal Designer of OBCpermits.
New homes
Additions and renovations
Multi-unit houses, including lane and garden suites
By-law and code consultation
Dreaming of house additions Toronto lots can actually support? We check zoning first and design around what is allowed. Interested in a basement apartment permit Toronto homeowners need for a legal rental suite? We design the layout and prepare the full package. Either way, you will know the likely costs and timeline before you call a contractor. Every photo on our website is a real idea that a homeowner brought to us.
Here is how Toronto building permits move from idea to final sign-off.
Determine requirements. We review your zoning, lot size, setbacks and the building code to see what you can build. Picture a Vaughan couple who want a bigger home. They learn what their lot allows before paying for design.
Prepare drawings. We create your building permit drawings with measurements, materials and code details. Picture an Ajax homeowner adding a rental suite. The drawings show exits, ceiling heights and fire separations.
Submit and pay. We prepare the full package, submit it and explain the fees. You always know what is due and why.
Inspections. Your contractor books inspections as the work moves along. A final inspection closes the permit. Picture a Whitby homeowner finishing a renovation.
Whether you do it yourself or hire us, a complete Toronto building permit application follows four steps.
Review guides and regulations. Start with the City's application guide for your project type and the zoning rules for your address. Picture an Etobicoke owner adding a rear deck.
Complete the required form. Fill out the application form and the designer information form that names who prepared the drawings. Missing signatures and blank fields are common reasons for delays.
Compile documents and drawings. Gather your drawing set, your survey and any other approvals your project needs. We build this package for you, so nothing is missing at intake.
Submit online or by email. Toronto Building accepts applications through its online portal, and some small projects can go by email. Methods change, so we confirm the current one for your project. Nearby cities such as Mississauga and Vaughan have their own processes, and we help you with those too.
Strong building permit drawings are the most important part of any application. A standard set includes:
Title and cover sheet: project address, scope, designer details and a drawing list.
Site plan: your lot, the building and the distances to property lines.
Floor plans: the layout of every level, with dimensions and room uses.
Building elevations: exterior views that show heights, windows, doors and finishes.
Cross-sections and details: how the building goes together, from foundation to roof.
Mechanical and plumbing layouts: where heating, ventilation and plumbing go.
We also create photo-realistic renderings, so you can see your project before you build.
Ontario sets rules on who can prepare and sign permit drawings. In most cases, that means a designer with a Building Code Identification Number (BCIN), or a licensed architect or engineer. Andrew Trotter is a member of the AATO and holds a BCIN, so your building permit drawings come from a qualified designer. For Toronto building permits, keep these submission rules in mind:
Drawings must be complete, to scale and fully dimensioned.
Forms must be filled in and signed.
Fees must be paid before the full review starts.
Variances and other approvals must be handled alongside your application.
We help homeowners across Toronto and Southern Ontario, including Etobicoke, Scarborough, North York, Mississauga, Vaughan, Ajax and Whitby. Each city has its own zoning and review process, so local knowledge saves time. Whether you need Toronto building permits for a downtown renovation or a suburban lot, we will point you in the right direction.
It is official approval from your city to start construction. It confirms your plans meet the Ontario Building Code, zoning by-laws and other laws, and it lets inspectors check the work. In Toronto, you apply through Toronto Building.
City fees depend on the size and type of work, and they change over time, so no single price fits every project. Fees for Toronto building permits are separate from design costs, including building permit drawings. We help you budget during the design stage. Call 416-573-7625 for a free quote.
Review the City's guide, complete the application and designer forms, gather your drawings, and submit online or by email where allowed. OBCpermits can prepare and organize the full Toronto building permit application for you.
The city can issue a stop-work order, add extra fees and require you to open walls for inspection or remove the work. It can also cause problems when you sell or insure your home. Skipping Toronto building permits costs more in the end. Andrew has worked with insurance companies on title insurance claims, so he has seen this firsthand.
Not always. Ontario allows qualified designers with a BCIN to prepare drawings for many houses. OBCpermits is led by a BCIN designer who is an AATO member.
Timing depends on the project type, its size and how complete your drawings are. Accurate drawings reduce back-and-forth with reviewers. We give you an honest timeline before you start.
Yes. We prepare your case and represent you at the hearing. Andrew has won most of his 300+ cases.
