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County
Amended
San Mateo County Municipal Green Building Policy
San Mateo County, CA
Requirement
Minimum certification level: LEED
In 2001, San Mateo County adopted a Sustainable Building Policy, requiring all new buildings over 10,000 square feet to be built and certified to the highest practicable LEED rating. In 2017, the San Mateo Board of Supervisors approved an update to the Sustainable Building Policy, requiring county projects to earn at least 50% of LEED's Energy & Atmosphere credits and to achieve net-zero energy with generation from on-site or adjacent renewable energy resources.
City/Town
In effect
Cambridge Green Building Requirements, Cambridge Zoning Ordinance, Article 22
Cambridge, MA
Requirement
Minimum certification level: LEED Silver
In 2010, the City of Cambridge enacted a policy requiring new developments between 25,000-50,000 square feet are designed to meet LEED Silver certification, and projects exceeding 50,000 feet to meet LEED Gold certification. Developments subject to the Green Building Requirements must also implement an enhanced commissioning program and must submit an advisory “Net Zero Narrative” at the preliminary and final stage of review, reporting on initial and future projections for energy use and greenhouse gas emissions and discussing how the project aligns with the City’s Net Zero Action Plan.
County
In effect
Arlington County Green Building Incentive Program
Arlington County, VA
Incentive
Minimum certification level: LEED Silver
In 2014, Arlington County updated its Green Building Incentive program (which has been in place since 1999). The program provides density bonuses to large office, multi-family, and mixed use projects that earn LEED v4 Silver certifications. Projects may earn up to 0.25 FAR for LEED Silver, 0.35 FAR for LEED Gold, or 0.50 FAR for LEED Platinum. All participating projects must agree to submit 10 years of energy data to the County, and office projects must achieve an Energy Star score of 75 or better within 4 years of occupancy. Up to an additional 0.05 FAR may be earned if two of Arlington’s “Priority Credits” are achieved. Priority Credits are selected from the LEED scorecard and focus on energy efficiency, habitat restoration, light pollution reduction, and building reuse. Additional density may be requested for Net Zero Energy building certification. The program is enforced through a bond based on the size of the project. 75% percent of the bond is held until the LEED certification is achieved. Participants may also benefit from technical assistance and publicity.