05/20/2026
Portland is located in a seismically active region, and many older homes—built before the area’s earthquake risks were fully understood—may be especially vulnerable. Common issues include homes that are not bolted to their foundations and unbraced cripple walls, both of which can lead to significant damage during an earthquake.
As part of , the City of Portland is sharing simple, effective ways to improve home safety. Strengthening older homes can significantly reduce damage during a seismic event and help protect what matters most. Although Oregon’s residential building codes do not have minimum requirements for seismic strengthening of existing homes, there are proven steps homeowners can take right now to reduce risk.
Learn more about ways to strengthen old homes at Portland.gov/residential-seismic-strengthening.