Washington Multifamily Building Performance Help

Washington Multifamily Building Performance Help

Do you own or manage a multifamily building in the state of Washington?
Do you know that most multifamily buildings larger than 20,000 square feet will need to comply with Washington Multifamily Building Performance Standards like the Seattle Building Emissions Performance Standard and/or the WA Clean Buildings Performance Standard starting in 2027?
Utilities and municipalities across the state support communities on their path to compliance and help reduce energy, emissions, and operating costs:
If you’re interested in learning more about these compliance support programs, please complete the form linked below and someone from the Stillwater Energy team will contact you: https://tinyurl.com/WA-Multifamily-Interest (Stillwater Energy is the program implementer for the programs listed.)
And if you don’t see your utility or municipality listed above, email Stillwater Energy and they’re happy to help get you connected to the right program: cleanbuildings@stillwaterenergy.com
HFO has prepared a step-by-step guide to simplify the dozens of documents and hyperlinks (and acronyms) on the Washington State website. You can download that here to get an overview of what’s required and when: Washington Clean Buildings 2026 Step-by-Step