What is RIRO?
November 26, 2025
What is RIRO?

What is RRIO and Why Should You Care?
If you’re renting out property in Seattle, you need to know about the Rental Registration and Inspection Ordinance (RRIO). This program ensures that all rental housing in Seattle meets basic safety and maintenance standards.
Here’s what you need to know:
- Registration is required for most rental properties in Seattle.
- Inspections occur every 5–10 years to verify compliance.
- Fees start at $110 per property, plus $20 per additional unit.
- Renewals are required every two years.
RRIO is especially important for first-time landlords who may not be familiar with Seattle’s housing codes. It’s not just about compliance—it’s about protecting your investment and your tenants.

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