Building and Zoning Codes

The City of Kelso has adopted International Building Code (IBC) and Residential Building Code (IRC)

• International Building Code 2021
• International Residential Code 2021
• International Mechanical Code 2021
• Uniform Plumbing Code
• Washington State Energy Code - Commercial
• Washington State Energy Code - Residential
• International Fire Code
• City of Kelso Unified Development Code - Title 17
• City of Kelso Zoning Code
• City of Kelso Zoning Map (What zone is my address in?)
• Setbacks and Lot Coverage
• Southwest Washington ICC Plans (Examples of basic residential plans)
• Sign Code (What kind of sign can I have in my zone?)
• Table of Permitted Uses (What type of buildings are permitted in certain zones?)