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SDCI offices are closed to the public.

Most services are available online through our Virtual Applicant Services Center. We offer limited access to our offices for scheduled public meetings.

Register / Renew My Property

Before you can register your property, you must first set-up a user account. You will then receive an email with a link to activate your account.

If you need help signing up for a new account, visit the How to Create a New Account page. If you are a new owner, you can transfer an existing registration to claim it or renew it by using these How to Transfer Ownership of a Registered Rental Property instructions.

Before starting, be sure you have:

  • Contact information for: (These can be the same person)
    • The person filling out the registration (Applicant)
    • The person / organization that owns the property (Owner) 
    • The person / organization who renters in the property should contact for repairs (Tenant contact for repairs)
  • The unit number for each rental unit
  • A credit card

To renew, you will only need to verify or update the contact and property information during the process.

Sign In or Create a New User Account

More Instructions

If you need help registering online with RRIO, use these Property Registration instructions.

If you need help renewing your registration online with RRIO, use these Renew a Property RRIO Registration instructions

If you are having trouble with your browser, refer to these Browser Compatibility instructions.

Register by Mail

If you prefer, you may mail in a paper application form and pay by check.

Construction and Inspections

Nathan Torgelson, Director
Address: 700 5th Ave, Suite 2000, Seattle, WA, 98104
Mailing Address: P.O. Box 34019, Seattle, WA, 98124-4019
Phone: (206) 684-8600
Phone Alt: Violation Complaint Line: (206) 615-0808
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SDCI issues land use, construction, and trade permits, conducts construction and housing-related inspections, ensures compliance with our codes, and regulates rental rules. SDCI is committed to an antiracist workplace and to addressing racism through our work in the community.