Since the enactment of Philadelphia's commercial property assessed clean energy (C-PACE) financing laws in 2019, over a staggering $100 million in C-PACE financing has been secured by property owners to make their commercial real estate properties more environmentally sustainable. While the initial 2019 laws provided many benefits to owners, recent updates to C-PACE laws have vastly expanded the availability of and eligibility for C-PACE financing, resulting in more property owners taking advantage of Philadelphia's C-PACE laws and using C-PACE financing to fund sustainability projects for their commercial properties. This article explores some of the recent updates to Philadelphia C-PACE laws and how commercial property owners have and continue to leverage C-PACE financing as a viable tool in their sustainability efforts.