Subdivisions

What is the purpose of subdivision permits?

A Preliminary Plat Application establishes conditions to subdivide land into 2 or more legal building lots, consistent with adopted regulations.

A Preliminary Short Plat Application establishes conditions to subdivide land into 2 to 4 (rural) or 9 (urban) legal building lots.

How much will it cost?

See DDES' current fee schedule for an estimate.

Where can I get an application?

• Refer to the following packets for application materials:
  • Land Use - Subdivisions Packet
  • Land Use - Short Subdivisions Packet
• 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 mandatory prior to filing an application for a preliminary plat or short plat. For more information, refer to the individual application forms in the packets above and to Applying for a permit at DDES.

What is the timeline for processing a subdivision permit?

Short Plat - decision type 2: 120 days.
Plat - decision type 3 recommendation: 150 days.

Notes / Comments

For more information:

• Type 1-4 Applicant Designation and Notification Requirements 
• Bulletin #25: Short Subdivisions*
• Bulletin #33: B-1 Covenants*
• Bulletin #40: Financial Guarantees*
• King County Road Standards 
• Surface Water Design Manual 

Legal authority

Title 19A* and Chapter 20.20* 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.