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Director's Rules

DR 5-89, Guidelines for Preparation and Review of Building Permit Applications for Laboratory Construction and Laboratory Hood Installation

Superseded by
Effective Date:
Number of Pages:
This rule interprets Building Code (Ch 22.100)
Mechanical Code (Ch. 22.400)
see green file for 30-2005 for info on rescission of this rule.

Keeping Your Rules Up-to-date

We publish official legal notice for all Director’s Rules in Seattle's Daily Journal of Commerce. We also publish notice about land use rules in our Land Use Information Bulletin through the Seattle Services Portal. To receive an email alert when the Land Use Information Bulletin is posted contact our Public Resource Center.


Draft Director's Rules


DDR 14-2021, Updated Rental Registration and Inspection Ordinance (RRIO) Checklist

View public notice


DDR 10-2021, Stormwater Manual

View public notice


DDR 9-2019, Design Review Thresholds for Additions & Expansions

View public notice


Still Need Help?

If you have questions about superseded or rescinded rules, please contact Hillarie Lee at (206) 503-5710.