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Bill

B 26-0586

Net Zero Modification and Preservation Temporary Amendment Act of 2026

26th Council Period (2025-2026) Introduced by Janeese Lewis George

DC Council proposes temporary modifications to net zero building standards and preservation requirements to adjust environmental mandates and development constraints.

Law Number L26-0123 Effective from May 21, 2026, Expires on Jan 01, 2027
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Bill Summary · B 26-0586

Legislative bill overview

Bill B 26-0586 is a temporary amendment act introduced in the DC Council that modifies net zero building standards and preservation requirements. The bill appears designed to adjust existing net zero energy or emissions mandates, potentially creating flexibility or carve-outs for certain building types or circumstances. As a temporary amendment, it would expire after a defined period unless renewed.

Why is this important

Net zero building requirements significantly impact construction costs, development timelines, and housing affordability in DC. Modifying these standards affects whether new and renovated buildings must achieve zero net energy consumption or carbon emissions, influencing both environmental goals and real estate economics. Any temporary amendment suggests the Council is testing adjusted policy approaches before committing to permanent changes.

Potential points of contention

  • Cost vs. climate trade-offs: Relaxing net zero requirements may reduce development costs but could undermine DC's climate commitments and emissions reduction targets
  • Historic preservation conflicts: The bill's preservation component may create tensions between protecting architectural heritage and achieving energy efficiency standards in older buildings
  • Temporary vs. permanent solutions: Using temporary amendments rather than permanent policy changes leaves uncertainty for developers and may prevent comprehensive long-term planning

Compiled from official sources — confirm details with the bill’s official record.

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