Critical area alteration exception (CAAE)

What is the purpose of a critical area alteration exception?

The critical area alteration exception (CAAE) application process allows adjustments in the application of zoning code standards related to critical area buffers to a particular property.

How much will it cost?

See DDES' current fee schedule for an estimate.

Where can I get an application?

• Refer to the Critical Area Alteration Exception packet for application materials. Please note that a 3-step pre-application process for CAAEs began November 3, 2008.
• Request an application packet by mail by calling DDES customer service at 206-296-6600 or
• Pick up an application packet at DDES in Renton (see map and directions).

How do I submit my application?

See information on pre-applications as a pre-application meeting is required prior to filing a critical area alteration exception application and note that, as of November 3, 2008, a 3-step pre-application process is required for CAAEs.

The critical area alteration exception application must be filed in person at the DDES Permit Center. An appointment with a Zoning Technician is required to file the application. Call 206-296-6797 to schedule the appointment. For more information, refer to Applying for a permit at DDES.

What is the timeline for processing a critical area alteration exception?

• DDES Land Use Services Division (LUSD) staff will schedule a pre-application meeting within 30 days from the date of the request.
• LUSD staff has 28 days from the date the application is filed to determine whether the application is complete.
• After LUSD staff determines that the application is complete, a Notice of Application is issued. The minimum public comment period is 21 days.
• The process to make a final decision on a critical area alteration exception generally takes 120 days provided no appeals are filed or substantial additional information is required.

What is the appeal process?

Refer to permit type 2. There is a 14-day appeal period whereby an aggrieved person can file an appeal together with an appeal filing fee to the King County Hearing Examiner.

Notes / Comments

For more information:

• Type 1-4 Applicant Designation 
• See also criteria for approval in 21A.44.030* of the King County Code (KCC) at www.kingcounty.gov/council/legislation/kc_code.aspx.

Legal authority

Title 21A of the King County Code

Administered by

DDES Land Use Services Division

Contact

For questions, please contact DDES customer service at 206-296-6600.

*Note: To view PDFs, free software from Adobe is required. See helpful hints for assistance.

To request this information in alternate formats for people with disabilities, call 206-296-6600 or TTY Relay: 711.