Washington’s Clean Buildings Performance Standard sets a clear expectation: commercial buildings must cut energy use—and show the results. For property owners, that means tracking current consumption, planning targeted improvements, and funding strategic capital expenditure projects—like HVAC and controls upgrades, better insulation, and high-efficiency lighting—that actually reduce demand. The payoff is straightforward: lower utility bills, smoother day-to-day operations, a smaller environmental footprint, and fewer compliance headaches.
Do it right once, document it, and the benefits compound for years.
Key Takeaways
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Who’s covered: Tier 1 non-residential ≥50,000 sq ft; Tier 2 20,000–50,000 sq ft (plus multifamily >20,000 sq ft).
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Key dates: Tier 1 >220k June 1, 2026 · 90k–200k June 1, 2027 · 50k–90k June 1, 2028. Tier 2 July 1, 2027.
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What WA expects: Use less energy and prove it—benchmark, plan, improve, submit.
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Capex that moves the needle: HVAC & controls, LEDs + smart lighting, insulation/envelope, scheduling/VFDs—prioritize by ROI + incentives.
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Do this next (30/60/90):
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30 days: Gather 24 months of utility data; benchmark in ENERGY STAR Portfolio Manager; assign an internal owner.
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60 days: Draft Energy Management Plan + O&M checklist; scope quick wins; apply for utility rebates.
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90 days: Approve capital projects, kick off implementation, and set your Clean Buildings Portal submission timeline.
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Keep these docs: Benchmark exports, EMP, O&M logs, project invoices, M&V/savings notes, submission receipts.
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If you wait: Fines, rush premiums, missed incentives, higher operating costs.
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Upside: Lower utility bills, steadier operations, better indoor air, smaller footprint, stronger asset value.
Passed in 2019, Washington’s Clean Buildings Performance Standard (CBPS) is about two things: cutting energy use and reducing greenhouse-gas emissions in commercial buildings. It applies to most non-residential properties 50,000 square feet and up and sets clear performance targets owners must meet—and document. CBPS is a cornerstone of the state’s push to a 100% clean energy economy by 2045. And it’s not the same as the Healthy Environment for All (HEAL) Act passed in 2021; HEAL focuses on environmental justice, not building energy performance.
Does CBPS Apply to You?
Tier 1 (≥50,000 sq ft non-residential)
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>220,000 sq ft: reports due June 1, 2026
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90,000–200,000 sq ft: reports due June 1, 2027
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50,000–90,000 sq ft: reports due June 1, 2028
Tier 2 (20,000–50,000 sq ft + multifamily >20,000 sq ft)
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Reports due July 1, 2027
If you own or manage a mid-to-large building in WA, you’re on the hook to measure, improve, and show your work.
What the State Expects
For all covered buildings:
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Benchmark & verify in ENERGY STAR Portfolio Manager, then submit via the Clean Buildings Portal.
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Create an Energy Management Plan (EMP) and Operations & Maintenance (O&M) practices that match your building.
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Hit performance targets or document improvements that get you there on a credible timeline.
Tier 2 emphasis:
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Benchmarking: Know your baseline (how you’re doing now).
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EMP: Decide how you’ll improve (projects, timelines, people).
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O&M: Keep systems efficient over time (routines so savings stick).
What Are the Requirements for Building Owners?
You need to adhere to specific requirements that focus on improving energy efficiency and indoor air quality in your commercial buildings which are the following:
1. Conduct Energy Assessments
You must conduct energy assessments of your buildings, which should be carried out by qualified professionals. The assessments evaluate your building’s energy use, identify opportunities for energy efficiency improvements, and develop a plan for implementing those improvements.
2. Implement Energy Efficiency Measures
You are then required to implement the energy efficiency measures identified in the assessment within specific timeframes, depending on the size of your building. This may include measures such as upgrading lighting and HVAC systems, improving insulation, and installing energy-efficient appliances.
3. Report and Monitor Compliance
You must report on your progress towards compliance with the Clean Building Law, including your energy assessments and energy efficiency measures. Compliance with the law is essential for you to avoid potential penalties and ensure that your buildings are contributing to a healthier, more sustainable environment.
Takeaway: If you can show a path from today’s Energy Use Intensity (EUI) to your target EUI with real projects and O&M discipline, you’re in good shape.
Compliance and Reporting Obligations
Building owners are required to use the Energy Star Portfolio and the Clean Buildings Portal, an online platform designed to facilitate the verification of building characteristics and the submission of necessary compliance documentation. This process ensures that buildings adhere to defined performance standards aimed at reducing energy consumption and enhancing overall environmental sustainability.
For Tier 2 buildings, which are categorized based on their size. Firstly, benchmarking is required; this involves assessing a building’s energy performance relative to similar structures. By tracking energy usage over time, owners can identify inefficiencies and areas for improvement.
Secondly, Energy Management Planning (EMP) is emphasized. This involves creating a strategic plan to optimize energy use in the building through various measures, such as upgrading equipment or implementing energy-efficient practices among tenants and staff.
Lastly, participation in Operations & Maintenance (O&M) programs is essential. These programs focus on ensuring that the building’s systems operate efficiently over time, which could include regular maintenance checks, system upgrades, and training for personnel responsible for managing these systems.
Potential Penalties for Non-Compliance
If you fail to comply with the requirements of the Clean Building Law, you may face potential penalties from the Washington State Department of Commerce. Penalties for non-compliance may include fines, enforcement actions, and other consequences if you do not meet your obligations under the law. The specific penalties for non-compliance may vary depending on the nature and severity of the violations, as well as the size of your building and the extent of non-compliance.
To avoid potential penalties for non-compliance, you must ensure that you fulfill all of your obligations under the Clean Building Law. This includes conducting energy assessments, implementing energy efficiency measures, addressing indoor air quality, and reporting on your progress toward compliance. By meeting these requirements, you can avoid potential penalties and ensure that your buildings are contributing to a healthier, more sustainable environment in Washington State.
Strategies for Implementing Clean Building Practices
Implementing clean building practices in compliance with Washington State’s Clean Building Law requires careful planning and strategic implementation. You can start by conducting thorough energy assessments of your buildings to identify opportunities for energy efficiency improvements. This may involve working with qualified professionals who can evaluate your building’s energy use and develop a plan for implementing energy efficiency measures.
Once the energy assessments are complete, you can prioritize and implement the identified energy efficiency measures within specific timeframes. In addition to energy efficiency measures, you can also focus on improving indoor air quality in your buildings. This may involve measures such as upgrading ventilation systems, using low-emission building materials, and implementing air quality monitoring programs.
You can also consider investing in renewable energy sources and sustainable building practices to further reduce your environmental impact. By taking a comprehensive approach to clean building practices, you can create healthier, more sustainable environments for all stakeholders while complying with the Clean Building Law.
Resources and Assistance Available to You
- Government Support
The Washington State Department of Commerce offers guidance and support to you as a business seeking to conduct energy assessments, implement energy efficiency measures, and address indoor air quality in your buildings. The department provides technical assistance, training programs, and resources to help you navigate the requirements of the law and achieve compliance.
- Industry Expertise
In addition to government resources, you can also seek assistance from industry organizations, trade associations, and professional service providers with expertise in clean building practices. These organizations can provide valuable insights, best practices, and practical guidance for implementing energy efficiency measures and improving indoor air quality in commercial buildings.
- Streamlining Compliance Efforts
By leveraging these resources and assistance, you can streamline your compliance efforts and ensure that you are contributing to a healthier, more sustainable environment in Washington.
Benefits of Complying with the Clean Building Performance Standard
Complying with Washington State’s Clean Building Laws offers numerous benefits for you, building occupants, and the environment.
- Reduced Environmental Impact: Implementing energy efficiency measures helps minimize your overall environmental footprint.
- Lower Operating Costs: By improving energy efficiency, you can significantly decrease utility bills and operational expenses.
- Healthier Work Environments: Enhanced indoor air quality contributes to a better working atmosphere for all stakeholders, promoting their well-being and productivity.
- Cost Savings: Energy efficiency measures can lead to substantial savings on utility bills while reducing greenhouse gas emissions.
- Contribution to Clean Energy Goals: Compliance with the Clean Building Law supports Washington State’s objectives for a cleaner energy future.
- Enhanced Reputation: Demonstrating compliance with clean building laws positions you as a responsible corporate citizen committed to sustainability and environmental stewardship.
Overall, complying with clean building laws not only helps you meet regulatory requirements but also positions you as a leader in creating healthier, more sustainable communities in Washington.
By understanding the requirements of the law, implementing clean building practices, and accessing available resources and assistance, you can achieve compliance while reaping numerous benefits for yourself and your community. Compliance with clean building laws is not only a legal obligation but also a strategic investment in creating healthier work environments, reducing environmental impact, and demonstrating corporate responsibility.
Your Partner for Sustainability Compliance: Left Coast Facilities Consulting
To navigate these complex compliance requirements effectively, Left Coast Facilities Consulting stands out as a trusted partner for building owners in Washington. As experts in local building compliance laws, we provide tailored solutions that simplify the process of meeting the Clean Building Performance Standards. Our team offers both expert guidance and technical assistance, ensuring that you not only comply with regulations but also enhance your building’s energy performance and sustainability. By partnering with Left Coast Facilities Consulting, you can focus on your core operations while confidently managing compliance and optimizing your facilities for a greener future. Get in touch with us today.
