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Green Roofs Policies

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Resource Local Governments

Report, Green Roof and Wall Policy in North America

This 2019 report from GreenRoofs.org outlines regulations, incentives, and best practices for encouraging green roofs in localities.
Example Local Governments

Chicago’s Sustainable Development Policy

Chicago’s Sustainable Development Policy requires that applicable development projects earn at least 100 points by implementing select sustainable strategies. Points can be earned in the following cat...
Example Local Governments

San Francisco’s Better Roofs Ordinance

San Francisco’s Better Roofs Ordinance requires new buildings to have 15% of the roof space as solar panels or 30% of the roof space as a Living (green) Roof. The ordinance applies to buildings that a...
Example Local Governments

Denver’s Green Building Ordinance

Denver’s Green Building Ordinance requires new buildings, new additions to buildings and existing buildings with a certificate of occupancy that are 25,000 sf to have a cool roof and comply with one o...
Example Local Governments

Washington DC’s Green Area Ratio Rule

Washington DC’s Green Area Ratio Rule requires all new buildings that require a Certificate of Occupancy must meet the appropriate Green Area Ratio (GAR) based on the zoning district. The GAR is the r...
Example Local Governments

NYC’s Green Roofs Policy

Local laws 92 and 94 of 2019 established NYC’s green roofs requires. New buildings and existing buildings undergoing major renovations in specific occupancy groups defined in the New York City Buildin...
Example Local Governments

Portland’s EcoRoof Requirements

Portland’s Ecoroof policy stipulates that new buildings with a net building area of 20,000 square feet or more must have an ecoroof that covers 100% of the building area (with exceptions). At least 50...
Example Local Governments

Fife WA’s Green Factor Policy

Fife’s Green Factor policy holds that in order to receive a project permit, new developments, redevelopments and construction sites must have a landscaping plan that achieves the green factor. Plans m...