Solar Energy in Seattle, WA (2026)
4 verified solar energy rules for Seattle, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Panel Permits
Seattle requires building permits for solar panel installations under SMC Title 22, but has streamlined the process with expedited review for standard residential rooftop systems to encourage renewable energy adoption.
Seattle Solar Panel Permit Requirements
Some RestrictionsHOA Restrictions
Washington state law (RCW 64.38.055) prohibits HOAs from banning solar installations, and Seattle's building code supports solar access with height exemptions, making it one of the most solar-friendly jurisdictions.
Seattle Solar Panel HOA Rules
Few RestrictionsRCW 64.38.055 — Governing documents — Solar panels (HOA Solar Installations)
RCW 64.38.055 — Governing documents — Solar panels. (1) The governing documents may not prohibit the installation of a solar energy panel by an owner or resident on the owner's or resident's property as long as the solar energy panel: (a) Meets applicable health and safety standards and requirements imposed by state and local permitting authorities; (b) If used to heat water, is certified by th...
Expedited Solar Permitting
Seattle Department of Construction and Inspections runs Solar Express, an over-the-counter same-day permit pathway for typical residential rooftop PV installations under SMC Title 22. Washington HB-1117 requires statewide expedited solar permitting.
Seattle Solar Express Issues Residential PV Permits in Days
Few RestrictionsCommunity Solar
Washington HB-1814 (2022) created a $100M Low-Income Community Solar program letting renters and condo owners subscribe to off-site arrays. Seattle City Light participates and prioritizes households at or below 80% area median income.
Washington HB-1814 Expands Community Solar to Renters
Few RestrictionsLooking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Seattle city rules.
Solar Energy in King County →