2 of the 6 rules we found reach ordinary homeowners in some way; they’re listed first.
Affects homeowners
Portland Home Energy Score ordinance
Who it applies to Ordinary homeowners: sellers who publicly advertise most single-family homes within Portland's jurisdictional boundary (townhome-style condos included; stacked units, mobile, manufactured and floating homes excepted); private sales never advertised are exempt
Sellers must obtain a Home Energy Score and Report before listing and include it in all advertisements; reports stay valid up to eight years if no assessed changes were made; exemptions for financial distress or uninhabitable homes; assistance is offered for income-qualified sellers.
Official page ↗ · verified October 12, 2026
Affects homeowners
City of Milwaukie Home Energy Score requirement
Who it applies to Home sellers in Milwaukie (details on Milwaukie's website, not verified here)
Portland's HES page says 'The City of Milwaukie also has Home Energy Score requirements'; Milwaukie's own rules were not reviewed.
Official page ↗ · verified October 12, 2026
Not for ordinary homes
Portland Commercial Building Energy Reporting
Who it applies to Commercial buildings 20,000 sq ft and larger; not homes
Owners track and report energy performance by April 22 each year.
Official page ↗ · verified October 12, 2026
Not for ordinary homes
Oregon Building Performance Standard (HB 3409, 2023)
Who it applies to Commercial buildings (size thresholds not quoted on the page reviewed); not single-family homes
Statewide energy performance standard for existing commercial buildings; compliance data now goes through ODOE's BEAM portal, and ODOE is taking applications for its Building Energy Reduction Incentive Program.
Official page ↗ · verified October 12, 2026
Not for ordinary homes
Washington Clean Buildings Performance Standard (Clark and Skamania counties)
Who it applies to Washington buildings over 20,000 sq ft, including multifamily over 20,000 sq ft; not single-family homes
Tier 1 reporting deadlines June 1, 2026-June 1, 2028 by size; Tier 2 reporting due July 1, 2027.
Official page ↗ · verified October 12, 2026
Proposed · not in force
Portland Multifamily Energy Reporting and Tenant Notice (proposal)
Who it applies to Multifamily buildings (proposed); not single-family homes
BPS took public comment on a 2024 proposal to expand energy reporting and tenant notice in multifamily buildings and then ran a pilot; the project page does not show it as adopted.
Official page ↗ · verified October 12, 2026