AB 1103 has finally been passed and is now officially in effect! Following a number of delays to address comments from the real estate industry, full compliance with California’s new energy disclosure law is required from January 1, 2014 for all buildings 10,000 square feet or larger.
AB 1103—Benchmarking California’s buildings
AB 1103 requires commercial building owners to benchmark and dislcose a building’s historical energy usage prior to selling, leasing, or financing the entire building. The statute requires energy consumption data to be collected frmo utility companies and entered into the Environmental Protection Agency’s ENERGY STAR Portfolio Manager system, which generates an energy efficiency rating for the building.
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June 22, 2026
Partner has named Frederick Ellington, AIA, LEED AP, as Technical Director in its Construction Services division. With 30+ years of experience, he strengthens the firm's construction risk management, due diligence, and project advisory capabilities for commercial real estate clients.

May 27, 2026
Capital planning in commercial real estate has entered a new phase. In addition to traditional lifecycle replacements, managers now face a growing set of capital needs driven by energy ordinances, decarbonization goals, and climate risk. These drivers are no longer peripheral considerations; they are central to how capital plans are developed, prioritized, and executed.

June 05, 2026
Partner Property Consultants, the European subsidiary of Partner Engineering & Science, Inc. (Partner ESI), announces that Antoine Yeprem joined the company in June 2026 as Senior Consultant, Real Estate Due Diligence, in Germany.




