The #1 Sidekick for Anything Zoning!

Used by Planners, Lawyers, Policy Makers, Regulators, Educators, Architects & more.

MEET ROSETTA ZONE

Your digital guide through ZoningTrilogy.com!

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“The Zoning Trilogy is essential ownership for those in the policy and regulatory world.  My clients have asked for it as part of project reviews.  It has been critical in my toolbox for helping start discussions around regulatory issues.”

Joe Nethery

Manager of Community Planning, Halton Region

Cited as a Zoning Reference in Municipal Codes

City of Española, New Mexico, United States

“Additional interpretive assistance can and may be garnered from…the Zoning Encyclopedia, the Zoning Dictionary and the Zoning Compendium, all published by Lehman & Associates and known and referenced more commonly as the “Zoning Trilogy.”

City of Brighton, Colorado, United States

“Definitions for any term used herein and not defined above shall be as stated in The Zoning Dictionary, 1996, as the same may be amended from time to time, by Lehman & Associates.”

Matanuska-Susitna Borough, Alaska, United States

“In instances where a word is not included in this section nor in the applicable section, reference will be made…to “The Zoning Dictionary” by Lehman and Associates…”

Bethel Township, Pennsylvania, United States

“Words not defined in this Zoning Resolution shall be interpreted in accordance with definitions in: The Zoning Dictionary by Lehman and Associates…”

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  • A globally recognized zoning resource
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Used in Zoning Ordinances, By-laws and Master Plans.

Use it in your work

Copy & paste exact zoning definitions and provisions into your works.  Include zoning diagrams as figures or appendices.

 

Widely Recognized 

Never worry about obtaining improper definitions, provisions or diagrams.  Get the defacto zoning reference most widely recognized.

Student Learning Tool

Universities and planning schools use it as an aid in the classroom and can even offer access through their libraries.

Green Terms

Have the resource that defines the baseline standard for many green terms widely used into today’s environmental plans.

 

Implementing Community & Master Plans

Our zoning resource helps make interpretation consistent across every level of implementation.

Drafting Zoning Ordinances & By-Laws

Use “ready to drop-in” zoning language and terminology that’s easily accessible and widely recognized.

Expert Witness on Zoning Issues

Used in courtrooms as an expert witness when judging zoning issues.

Zoning Interpretation

Makes zoning lingo easily comprehensible by any trade or skillset involved in zoning or planning processes.

 

Authored by an Expert

Consulting since 1974, Bob Lehman has written over 100 official plans, policy guidelines, by-laws and secondary plans.

“We have been a subscriber for close to 20 years.”

Darka Jensen, CPT
Community & Development Services
Planning / Zoning / Geomatics Technician
Niagara-on-the-Lake

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Definitions

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Diagrams

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American Planners Association Bestseller List

Winner!

Canadian Institute of Planners
National Excellence in Planning Award

Winner!

Canadian Institute of Planners
National Excellence in Planning Award

Winner!

Ontario Professional Planners
Communications Award

Zoning Trilogy is a valued resource of the Canadian Institute of Planners. Our members appreciate the site’s features that allow them to find information they need quickly and accurately, including definitions and diagrams, ultimately saving time and expediting solutions.

Beth McMahon

Chief Executive Officer, Canadian Institute of Planners

Combined with our best practice research, it is a useful resource to compare definitions and provisions we are formulating as part of the comprehensive review of our municipal zoning by-law. – Tracey Webster, Senior Planner, Municipality of Clarington, Planning Services

Tracey Webster

Senior Planner , Municipality of Clarington

The Zoning Trilogy is essential ownership for those in the policy and regulatory world. My clients have asked for it as part of project reviews. It has been critical in my toolbox for helping start discussions around regulatory issues.

Joe Nethery

Manager of Community Planning, Halton Region

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Who uses the ZoningTrilogy.com?

“An excellent working resource for our planning division in looking at suggested definitions and provisions for consideration in zoning applications.”

Darka Jensen, CPT
Community & Development Services
Planning / Zoning / Geomatics Technician
Niagara-on-the-Lake

Get started now for less than $9/month!

If your work involves zoning, make it easier for yourself.  Others like you have already done it!

Sign-up & Save 15%

Join our mailing list to receive 15% off an annual subscription.

Non-Profits contact us for reduced pricing.