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Washington Clean Buildings compliance: the operator's calendar for 2027 and 2028

Sepehr ShoarinejadFounder, URBI

Washington Clean Buildings compliance is a recurring operations job with a fixed filing date, not a one time construction project. Here is the operator calendar for the 2027 and 2028 cohorts: who owns each task, in what month, with what evidence. URBI runs the recurring half of that work.

Which Washington buildings have to report in 2027 and 2028?

Three cohorts are in front of you, and the boundaries are strict inequalities, so a building at exactly 90,000 or exactly 220,000 square feet lands in a different year than most summaries suggest.

CohortCovered floor areaReport by
Tier 1More than 90,000 and less than 220,001 gross square feetJune 1, 2027
Tier 1More than 50,000 and less than 90,001 gross square feetJune 1, 2028
Tier 2More than 20,000 and up to 50,000 gross square feet, plus multifamily at or above 50,000July 1, 2027

The Tier 1 dates and thresholds are set in RCW 19.27A.210. Tier 1 counts nonresidential, hotel, motel and dormitory floor area above 50,000 gross square feet, excluding the parking garage area. The Washington Department of Commerce defines Tier 2 as buildings from 20,000 to 50,000 gross square feet plus multifamily at or above 50,000, reporting every five years starting July 1, 2027.

Classification errors are common enough that Commerce publishes a correction path. Its portal notes flag structures that are not buildings, covered buildings under 20,000 square feet, and wrong floor area, use code, or owner.

What does a Washington Clean Buildings filing actually require you to produce?

Documents and data, not a checkbox. The two tiers ask for different things, and mixing them up is the most expensive mistake this cycle.

  • Tier 1. Benchmark in ENERGY STAR Portfolio Manager, create an energy management plan, implement an operations and maintenance program, and satisfy one of four pathways: meet the energy use intensity target, meet investment criteria, demonstrate a minimum 15 percent weather normalized reduction, or electrify space heating. Commerce lists all four on its Tier 1 compliance page, and the plan and program are mandatory whichever pathway you pick.
  • Tier 2. Benchmark, establish the weather normalized energy use intensity, calculate the target, compare the two, and stand up the same plan and program. Commerce is explicit that Tier 2 buildings are not required to meet the target at this time. Anyone selling a retrofit as a Tier 2 legal requirement is overstating the rule.

Three details drive the schedule. Chapter 194-50 WAC asks for at least 12 consecutive months of measured energy use, so the data window opens long before the filing date. The investment pathway requires a Level 2 audit, an energy survey and engineering analysis, not a walk through. The electrification pathway requires heat pumps meeting at least 90 percent of annual space heating demand, and is valid for one compliance cycle only.

That flexibility is recent. Commerce announced that Governor Bob Ferguson signed House Bill 1543 into law on May 13, 2025, giving it authority to create alternate pathways, grant extensions, and add exemptions.

What does the operator calendar look like, month by month?

Work backward from the filing date and assign an owner to every row. The table is written for a June 1, 2027 Tier 1 building. Tier 2 owners shift to July 1, 2027, and the 2028 cohort shifts everything twelve months later.

Months before the dateTaskWho owns itEvidence it produces
24 to 18Confirm coverage and tier. Recalculate floor area, exclude parking, verify use code and owner of recordOwner or asset managerArea calculation, corrected portal record
18 to 15Get whole building energy data flowing: utility accounts, tenant meters, Portfolio ManagerProperty manager with the utility account holder12 consecutive months of data in the allowed window
15 to 12Engage the qualified person and pick the pathwayOwner, advised by the energy consultantSigned scope, decision memo, board or owner approval
12 to 9Write the energy management plan and tie it to the capital planEnergy manager or consultantPlan document and reporting tool
12 to 6Stand up the maintenance program and actually run itChief engineer or facilities leadProgram, implementation plan, completed task records
9 to 6Level 2 energy audit, if using the investment pathwayEnergy consultantAudit report and measure list
6 to 3Calculate weather normalized energy use intensity and the target, then compareQualified personPortfolio Manager export, calculations
6 to 0Extension or conditional compliance application, if neededOwnerApplication plus supporting documentation
3 to 1Assemble the filing package, collect certificationsProperty manager with the qualified personSigned forms and certifications
1 to 0Submit through the Clean Buildings Portal and archive the receiptOwner or delegateSubmission confirmation, archived package
After filingKeep the plan living and the program running into the next five year cycleFacilities leadOngoing completion records

Do not let the portal set your pace. Commerce states that parts of the Clean Buildings Portal are still under development and some due dates may not yet align with its features.

What incentives and extensions are on the table, and when do they close?

Both exist, both are conditional, and both close on or before the compliance date. Commerce runs early adopter incentive programs for each tier, paid through participating utilities, first come first served.

  • Tier 1 incentives. A per square foot rate plus a bonus for each kBtu saved over 15 energy use intensity, capped at half the cost of the audit identified measures. Eligibility requires a participating utility, a building at least 15 EUI above target, an audit, and full compliance. Buildings above 50,000 and below 90,001 gross square feet must apply by June 1, 2027.
  • Tier 2 incentives. A base per square foot rate, with a higher rate for multifamily owners willing to sign an anti displacement agreement. Commerce says all Tier 2 covered buildings must submit compliance and incentive applications by July 1, 2027, and reported in July 2026 that most of that fund was unclaimed.
  • Extensions. Under WAC 194-50-160, a request can be made no sooner than six months before and up to six months after the compliance date, and an approved extension is valid for two years beyond it. It is an application with evidence, not a grace period.

What is the penalty exposure if you miss the date?

It scales with building size and with time. RCW 19.27A.210 caps the penalty at five thousand dollars plus a continuing amount that may not exceed a daily figure equal to one dollar per year for each gross square foot. WAC 194-50-160 sets a separate ceiling of thirty cents per square foot of gross floor area, and gives the owner at least 30 days to respond before a hearing right is waived.

State compliance also does not settle city rules. Seattle's Building Emissions Performance Standard separately covers buildings over 20,000 square feet, with benchmarking verification from 2027 through 2030 and emissions targets from 2031 through 2035.

Requirements vary by building type and by jurisdiction, so confirm your obligations with the state program and your energy consultant before committing a budget.

Where does URBI fit in a compliance calendar?

URBI runs the recurring operational half of the calendar: the maintenance program, vendor coordination, document retention, and approvals. It is not an energy consultant. URBI does not benchmark, calculate energy use intensity, perform audits, or file with Commerce. That still needs a qualified person.

  • The maintenance program becomes scheduled work, not a binder. Recurring service tickets fire on five frequencies and two trigger types, including a completion trigger, so a quarterly task that ran late does not pile up behind the next one. Those records are the implementation documentation the program must produce. See maintenance work order software.
  • Vendors work without a login. Contractors get a tokenized work order link by email, schedule the visit, toggle subtasks, and upload completion photos. Dated proof, and no account for the mechanical contractor. See vendor management.
  • Documents and approvals stay together. The energy management plan, the maintenance program, audit reports, and Portfolio Manager exports live in the document hub, not an inbox. Pathway selection and capital measures run through owner and board decisions with votes, quorum tracking, and a permanent audit trail. See building document management.
  • HERO answers where a property stands. HERO is the operator facing AI and queries live records, so a manager can ask which buildings finished their scheduled program tasks this quarter. More in asking AI your property data.
  • Portfolios roll up. One login across towers, school and senior living campuses, and mixed portfolios, which matters when three cohorts land inside eighteen months. See multi property software.

See URBI for commercial buildings, URBI for residential buildings, and what is URBI.

Frequently asked questions

Does a Tier 2 building have to hit an energy target by July 1, 2027?

No. Commerce states that Tier 2 covered buildings are not required to meet the energy use intensity target at this time. What is required is benchmarking, establishing the weather normalized energy use intensity, calculating the target, comparing the two, and implementing the energy management plan and maintenance program. Those steps can run concurrently, and reporting repeats every five years.

How early do we need utility data in hand?

Earlier than most owners expect. Chapter 194-50 WAC asks for at least 12 consecutive months of measured energy use inside the window the rule allows. Start collecting whole building data about eighteen months out, so a missing tenant meter does not surface in the final month.

Can URBI file our Clean Buildings report for us?

No. URBI is a building operations platform, not an energy consultancy. It does not benchmark, calculate energy use intensity, run audits, or submit to the Clean Buildings Portal. It runs the recurring maintenance program, coordinates vendors, retains documents, and records approvals, so when your qualified person assembles the package, the evidence already exists and is dated.

If you are facing a 2027 or 2028 date across more than one building, get the recurring work and the paper trail into one system before the consultant asks for records. Email hello@myurbi.co and we will walk through how operators set this up across a portfolio.

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