What is a multiplex?
A multiplex is a small, multi-unit residential building. In Toronto, up to four units are legal, and in some Wards, up to six units. See the City’s Website for more information.
Duplex
Triplex
Fourplex
Getting Started
Before you jump in it’s helpful to understand all the steps of the development process.
To get you started we have assembled a guide to walk you through the early phases of your multiplex project. There are lots of decisions to make and we want to help you along the way. Explore the pages below to find out what kind of multi-unit project is for you, understand how much it costs, and how to actually make it happen in Toronto.
Who are you building for?
This section asks questions about the relationships between the people who will live in your multiplex.
Get to know your lot
To learn the basics about the rules that apply to your property click here.
Get to know your home
This section describes how to measure your house and consider how many units you can add.
Pick your scenario
Click here to learn about two different paths for building multiplexes: if you own a home, or are looking to buy.
Build your team
This page describes the team of professionals you’ll need to hire to make a project happen.
Project budget basics
Click on this page to learn about all the costs for building a multiplex.
