Ontario Development Guides

Quick Answer

PreBuildIQ’s guides answer the questions developers face before filing in Ontario: which application you need, whether your project is as-of-right, whether you need a planning consultant, and what each required study involves. Every guide is written for developers and planners, not for lawyers.

Decision Guides

Start here if you are not sure which application your project needs or whether you need one at all.

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Development Study Guides

Explainers for every study a development application can require, with triggers, contents, and typical cost.

Ontario Planning Guides

About this content: PreBuildIQ guides summarize Ontario planning process and requirements, verified August 2026. Not legal advice. Requirements vary by municipality and change over time. Confirm current requirements with the applicable planning department before filing.

Get Your Site Requirements in 60 Seconds

PreBuildIQ identifies every approval body, required study, and applicable rule for any Ontario address, so you can act on your specific site instead of a general guide.

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