Development Regulations & Design Guidelines



The 2018 Washington State Building Code will be effective February 1, 2021 and comprised of the following codes:

  • 2018 International Building Code (Includes adoption of and amendments to the 2018 International Existing Building Code and ICC/ANSI A117.1 2009, and the International Swimming Pool and Spa Code)
  • 2018 International Fire Code
  • 2018 Washington State Energy Code
  • 2018 International Residential Code
  • 2018 International Mechanical Code
  • 2018 Uniform Plumbing Code
  • 2020 NEC Electrical Code



Adopted Codes

Development in Lynnwood is regulated by the Lynnwood Municipal Code (LMC), and by many other State and Federal Regulations. The LMC provides regulatory requirements for development including setbacks, height, and minimum lot size.

Design Guidelines

The purpose of the design guidelines is to produce high-quality development that reflects our Community Vision for Lynnwood's future. The City's design guidelines are a method of guiding development and enhancing the quality of buildings, sites and the public realm. 


Applies to Commercial, Industrial, Multi-Family and Public Zones

Alderwood City Center Transition Area

Applies to Alderwood City Center Transition Area Zones only.

City Center

Applies to City Center Zones only.

Highway 99 

Applies to Highway 99 Mixed-Used Zone only