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Build, Invest & Grow

Construction & Renovation

Victoria Day Weekend: What's Open and What's Closed?

Labour disruption in effect as of May 14, 2025

Ancaster Municipal Service Centre closed May 5 to June 2

Installing a rain garden or green roof?

Explore the Stormwater Incentive Programs

Call/Click Before You Dig

Call 1-800-400-2255

ontarioonecall.ca

Construction & Renovation Projects

Understanding Ontario Building Code regulations for your home improvement projects. Capital projects in your neighbourhood.

Construction in Your Area

Construction such as road, bridge, sewer, water, traffic system, park projects which have been approved by Council.

Residential Building & Renovation

Understanding Ontario Building Code regulations and when a Building Permit is required for construction projects.

Explore Construction & Renovation

Featured Programs & Services

SERVICE DISRUPTION DUE TO CYBERSECURITY INCIDENT: For General Inquiries, Building Division staff can be contacted by email at [email protected] or phone 905-546-2720 to speak with Building Staff through the Customer Contact Centre.

For Inspection Requests, please email [email protected] or phone 905-546-2424 ext. 7777 to speak with Building Inspections staff through the Customer Contact Centre.

Unfortunately, our online platforms, ePLANS and ProjectDOX are currently not operational. If you have an active building permit application, please resubmit your permit package in person at City Hall, third floor service counter.