Caledon, Ontario
Start with the actual project. See the published rule, the documents that may be needed, the next steps and the municipal source behind the answer.
Find your starting point
Choose a project to see the rule, the checklist and the source.
4 guides to explore
Open the Caledon deck guide for permit conditions, documents and official sources.
Read rules and sources 02Open the Caledon basement renovation guide for permit conditions, documents and official sources.
Read rules and sources 03Open the Caledon shed / accessory structure guide for permit conditions, documents and official sources.
Read rules and sources 04Open the Caledon basement entrance / walkout guide for permit conditions, documents and official sources.
Read rules and sourcesDecisions to check first
Different projects use different municipal requirements. These examples come from the published Caledon guides, with the original source and review date beside each answer. Check your specific property before ordering materials or beginning work.
A qualifying storage shed under 15 m² can be permit-exempt. A shed 15 m² or larger requires a building permit.
Shed size: Permit required at 15 m² or more. Caledon lists construction of a shed with an area of 15 m² or more as permit-required.
A building permit is required when the deck is higher than 60 cm (24 in.) above finished grade at any point.
Deck height: Permit required above 60 cm. Caledon lists a deck higher than 24 inches off the ground at any point as permit-required.
Yes. Caledon lists finished basements as projects that require a building permit.
Finished basement: Permit required. Caledon lists finished basements among projects that require a building permit.
A permit exemption does not automatically remove zoning, setback or other property requirements. The municipal authority decides whether your actual proposal can proceed.
Verify before you build
These questions are taken from published Caledon project guides. The sources below support the individual project rules, not an approval for every address. Always check the actual property before starting work.
Deck
A building permit is required when the deck is higher than 60 cm (24 in.) above finished grade at any point.
See the project requirementsBasement renovation
Yes. Caledon lists finished basements as projects that require a building permit.
See the project requirementsShed / accessory structure
A qualifying storage shed under 15 m² can be permit-exempt. A shed 15 m² or larger requires a building permit.
See the project requirementsBasement entrance / walkout
Yes. Caledon publishes a building-permit application guide specifically for basement walk-up and walk-out entrances.
See the project requirementsTown of Caledon · Permit triggers, exemptions, zoning clearance and common residential projects
Last reviewed 2026-10-02Official requirements can change. A published guide does not replace a decision from the municipality for a specific site.
What is already researched
These are not placeholder pages. Each project below exposes the decision, the evidence and what you still need to confirm.
Caledon Deck permit guide
Open the project guide for Caledon permit conditions, zoning checks and application documents.
Caledon Basement renovation permit guide
Open the project guide for Caledon permit conditions, zoning checks and application documents.
Caledon Shed permit guide
Open the project guide for Caledon permit conditions, zoning checks and application documents.
Caledon Basement entrance / walkout permit guide
Open the project guide for Caledon permit conditions, zoning checks and application documents.