| | | District offers green roof subsidy | | June 22, 2009 |  | | | The D.C. Department of the Environment is offering a subsidy of up to $20,000 for the construction of green roofs on buildings in the city.
Qualifying green roofs — which are covered with vegetation to reduce storm-water runoff and help cool buildings — cannot be more than 4,000 square feet and must cover at least half of the total roof.
The city now offers $5 per square foot of green roof, up to the $20,000 maximum, which is two-thirds more than a subsidy it offered last year.
According to greenroofs.com, projects typically cost between $14 and $25 per square foot.
The city will fund green roof projects on a first-come, first-served basis. For more information and to apply, visit ddoe.dc.gov/greenroofs.
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