Legalize Your Basement Second Suite Across Ontario.
Permit-ready architectural and structural drawings for legal second suites and additional residential units — prepared to the Ontario Building Code.
Drawings built for the scope of your project.
From legalizing one basement apartment to multi-unit conversions — choose who you are.
Homeowners
Want to add a legal basement apartment? Ontario now allows up to three units on most residential lots. We handle the drawings — from assessment to permit-ready, code-compliant plans.
Request a Consultation →Investors & Landlords
Turning a property into a legal multi-unit rental? We deliver permit-ready second suite drawings that satisfy the Ontario Building Code — so your unit is legal, safe, and rentable.
Scope your project →Builders & Renovators
Doing the build yourself or for a client? We provide stamped, coordinated drawing sets — architectural and structural — that move through plan review and keep your project on schedule.
Partner with us →Everything you need, sealed and permit-ready.
A complete drawing package — from existing conditions to a permit-ready submission.
Permit-Ready Drawing Sets
Floor plans, elevations, and sections — signed and sealed, accepted by municipalities across Ontario.
Code Compliance Built In
Fire separation, egress windows, ceiling heights, and smoke alarms — designed to meet Ontario Building Code the first time.
Site & Structural Review
Assessing existing conditions, layout feasibility, and any structural changes before drawings begin.
Permit Application Support
Guidance through the building permit submission so your application moves smoothly to approval.
From form to sealed drawings in three steps.
Submit Your Project Details
Fill out the short form with your location and project basics. Takes under 2 minutes.
Engineering Review
Our P.Eng. team reviews the scope and contacts you to discuss requirements, timeline, and fees.
Receive Your Drawing Package
Stamped, permit-ready drawings prepared for your building permit application.
Adding a second unit in Ontario? You need permit-ready drawings.
Ontario now permits up to three residential units on most lots — but every legal second suite needs code-compliant drawings for a building permit. Getting this right from the start avoids rejections, delays, and costly do-overs.
Get Your Drawings Done RightRequest a Second Suite Consultation
Tell us about your project and we will be in touch within one business day.
Thank you
We have received your request and will be in touch shortly.