Panel Permits: Federal Way vs Redmond
How do panel permits rules compare between Federal Way, WA and Redmond, WA?
Redmond has fewer restrictions than Federal Way.
Federal Way, WA
King County
Federal Way uses the Washington State Building Code for rooftop solar. Most residential PV systems need an electrical permit from L and I and a structural review from Federal Way.
View full Federal Way rules →Redmond, WA
King County
Redmond issues streamlined solar permits for rooftop PV systems through Development Services. Permits require electrical and structural review and follow the WA State Energy Code.
View full Redmond rules →Key Facts Comparison
| Fact | Federal Way | Redmond |
|---|---|---|
| Electrical permit | WA L and I | - |
| Building permit | Federal Way structural check | - |
| Fire pathway | IFC Ch 12 setbacks | - |
| Net metering | PSE under RCW 80.60 | - |
| Residential permit | - | Electrical plus structural |
| State code | - | WA Energy Code |
| Streamlined | - | Available for rooftop PV |
| Utility | - | PSE interconnection required |
Highlighted rows indicate differences between cities.
Federal Way FAQ
Do I need a permit to install Federal Way rooftop solar?
Yes, at minimum an L and I electrical permit and typically a Federal Way building permit for structural and fire review.
Can I DIY install solar?
A licensed electrical contractor must do the interconnection work; homeowners can install some structural components under permit.
Redmond FAQ
Do I need a permit for solar panels in Redmond?
Yes, an electrical permit is always required and a structural or building permit is required for the roof mounting.
How long does a Redmond solar permit take?
Typical residential rooftop PV permits are reviewed within a few weeks and many qualify for a streamlined over-the-counter process.
Compare other topics
See how Federal Way and Redmond compare on other ordinance categories.
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