City of Oshawa
Building Permits

City Hall

1st Floor, Rundle Tower
50 Centre Street South
Oshawa, Ontario L1H 3Z7

Office: 905-436-5658

Toll Free: 1-800-667-4292

Fax: 905-436-3857

TTY: 905-436-5627

Email: buildings@oshawa.ca

Building Permit and Inspection Service

When Do You Need a Building Permit?

Building Inspection Services Provided

Building Permit Documents

Building By-Laws

Building Permit Guides