Legislative Background

In May 2014, Montgomery County adopted a Building Benchmarking Law (PDF, 580 KB) and amended the original legislation by Bill 35-15 Environmental Sustainability – Benchmarking – Amendments in November 2015.

On August 1, 2022, benchmarking amendments went into effect following the passage of Bill 16-21, Building Energy Use Benchmarking and Performance Standards - Amendments. The latest amendment expanded the number of buildings covered by the benchmarking requirement and established a building energy performance standard.