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Green Area Ratio Overview

GAR overview

What is GAR?

The Green Area Ratio is an environmental sustainability zoning regulation that sets standards for landscape and site design to help reduce stormwater runoff, improve air quality, and keep the city cooler.

Public Comment Process for Guidebook

The deadline for public comments closed on 10/10/2016 at 5:00 P.M. See additional forms and documents that support administration of the regulation below. If you have additional questions send an email with a subject line of "GAR Guidebook" to the attention of Margie Noonan at [email protected].

The Draft revisions are presented within the guidebook as strikethrough deletions or underline additions. A summary of revisions form identifies all major changes to the guidebook. Read the original Preliminary Draft Green Area Ratio Guidebook.

Submit Green Area Ratio Plan Information Online

Use the Stormwater Database to submit compliance calculations and supplemental information to DOEE as part of its Green Area Ratio Plan review process.

For additional information, please contact Margie Noonan at [email protected] or at 202.727.6933

For questions regarding the development of the GAR regulation, refer to the Office of Planning.
GAR graphic



Cooler Temperatures  |  Improved Air Quality  |  Reduced Stormwater

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