Deconstruction offers environmental and other benefits over demolition. Portland has had a deconstruction requirement for older residential homes since 2016.

Learn how to be added to the City of Portland's Certified Deconstruction Contractor list.

Information about contractors who have met the requirements to perform deconstruction work.

The City of Portland's Deconstruction Ordinance requires some homes to be deconstructed rather than demolished. Find out if these rules apply to you, how to meet the requirements, and the penalties for not complying.

(PROGRAM SUSPENDED) You may have leftover and reusable materials from your construction project. These materials may benefit property owners in our community.

Learn about major residential alteration and addition (MRAA) permits and apply online. A major alteration removes 50% or more of exterior walls above the foundation. A major addition adds more than 500 square feet of space. MRAA permits have notification and delay requirements.

The Mills Open Air School building in SE Portland is being deconstructed in 2025.

For contractors to complete before and after deconstruction projects

Apply online for demolition permits in the City of Portland. Get all forms for a residential demolition permit, including the building permit application. Find information about demolition inspections and get information about major alterations.

Find where to buy wood and other building materials that have been salvaged from deconstructed homes.