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The City of Portland, Oregon

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Development Services

From Concept to Construction

Phone: 503-823-7300

Email: bds@portlandoregon.gov

1900 SW 4th Ave, Portland, OR 97201

More Contact Info

What are the structural requirements for underpinning residential structures using slender piles?

Click here to review the Structural Requirements for Underpinning of Residential Structures with Slender Piles, Including Helical Piles and Push Piers.