Since 2009, New York City's Local Law 84 (LL84)has required both city-owned and private buildings ofa certain size to report their actual (not calculated)annual energy and water use. This paper summarizesthe LL84 data available at the time of this study,including the scope and quality of the reported data.We cross-reference the LL84 database with thedatabase of known LEED-certified buildings in NYCto see how well LEED-certified buildings perform incomparison to non-LEED buildings. The validity ofperforming such a comparison based on theinformation currently available is discussed. We alsoprovide a general review of how energy codes andstandards have evolved over time, and how they maybe affecting the trends in energy use data.