1307.1 Each building constructed or substantially improved shall earn a minimum certification at the LEED v4.1 Gold level or a more recent comparable standard and certification level thereof.

1307.2 Each building constructed or substantially improved shall achieve: (i) at least two (2) points under the LEED v4.1 “Renewable Energy” credit in addition to the certification requirement in Subtitle K § 1307.1, or (ii) compliance with the Energy Conservation Code, whichever would require a greater level of renewable energy.

1307.3 Each building constructed or substantially improved shall be designed to withstand future climate change impacts projected for the expected lifespan of the building, including sea level rise, increased precipitation, and increased heat exposure, as per the District’s Resilient Design Guidelines.

1307.4 Each building shall, as part of the Design Review process be required pursuant to Section K § 1310, provide a sustainability and green building plan to be forwarded to the Department of Energy and Environment for review and comment which addresses issues such as building energy efficiency and renewable energy production, net-zero certification, stormwater management, climate resilience, and floodplain management.

SOURCE: Final Rulemaking published at 72 DCR 006195 (May 23, 2025).