Plain-English guides for Seattle homeowners — exactly what SDCI requires, what it costs, and how long it takes. No jargon, no guesswork.
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The SDCI rules on when a bathroom remodel triggers a permit — and how to get it fast with the STFI track.
Read Guide →Layout changes, new circuits, and plumbing moves all have different permit thresholds. Here's the plain-English breakdown.
Read Guide →What permits actually cost in Seattle — from the minimum $1,100 fee to full ADU packages. Based on current SDCI fee schedules.
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