ZoningTrilogy.com is preparing its 6th edition since 1991.

You can be one of the authors

and contribute to the planning community at the same time!

Contribute and Become an Author

We are asking subscribers to send us a definition/provision or diagram that you think other planners could use.  

We will announce your contribution with all the details – the definition, your name and employer, in the masthead of Trilogy website.

The zoning community contributions will hopefully demonstrate the enormous opportunity for collaboration in the profession.

You can also help by simply telling us which definitions, provisions and diagrams you think should be included in the next edition.

Got a definition to contribute?

What’s that provision you wanted?

Suggestion for a new diagram?

Use the form below! ????