AB 1103


Assembly Bill 1103, originally passed in November 2007, mandates energy benchmarking and energy disclosure for non-residential buildings.  Non-residential business owners are required to input energy consumption/data into the EPA’s ENERGY STAR Portfolio Manager system.


Energy data for a building, based on the square footage, will be required to be disclosed by the following dates:


(a)On and after January 1, 2014, for a building with total gross floor area measuring more than 10,000 square feet.


(b)On and after July 1, 2016, for a building with a total gross floor area measuring more than 5,000 square feet.


Does AB 1103 Mandate My Building Type?


If you answer YES to the following questions, then your building needs to be in compliance:


  1. Is your ENTIRE nonresidential building offered for sale, lease, finance or refinance.

  2. The building type is one of the following:


  • Assembly

  • Business

  • Educational

  • Institutional – Assisted Living

  • Institutional – Nonambulatory

  • Mercantile

  • Residential – Transient (for example, a hotel)

  • Storage

  • Utility – Parking Garage



Funded by the Local Government Strategic Plan Strategies Program

under the auspices of the California Public Utilities Commission.

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