About the OBOA

We are guardians of a better built Ontario.

Not a member yet? Join now

Login Options

Your login is the permission that you use for everything you do with web services, Manage Membership, access Member Areas or participate in Collaboration Workspaces and more.

If you have you registered your email on the site and know your login.

Sign in

Alternatively, you can use your registered username.


To provide any web services an email needs to be on file and registered on the website. If you have any questions we are here to answer them. Contact us