Finding a reliable foundation provider in Portland, OR can be challenging. With so many options available, it helps to have a curated list of the top-rated businesses based on real customer reviews and verified online presence. We analyzed Google reviews, ratings, and AI visibility scores to rank the best foundation repair businesses serving Portland and surrounding areas. Each business on this list has been evaluated for quality of service, customer satisfaction, and overall trustworthiness.
With a 4.8-star rating across 871 reviews, TerraFirma is one of the highest-rated foundation repair businesses in Portland.
With a 4.7-star rating across 67 reviews, Masonry Waterproofing, and Drainage Masters is one of the highest-rated foundation repair businesses in Portland.
Keystone Concrete Driveway Retaining Wall Foundation Contractor-Lake Oswego/West Linn maintains a strong 4.9-star rating with 22 customer reviews, demonstrating consistent quality service in Portland.
With a 4.9-star rating across 791 reviews, Portland Construction & Restoration Solutions is one of the highest-rated foundation repair businesses in Portland.
With a 4.9-star rating across 165 reviews, Foundations First Northwest is one of the highest-rated foundation repair businesses in Portland.
Our rankings are based on a combination of factors designed to surface the most trustworthy and visible businesses:
Customer ratings and review volume from Google Business Profile provide the foundation for trust.
Our proprietary score measures how likely AI assistants (ChatGPT, Claude, Google AI) are to recommend a business.
Businesses with complete profiles, websites, and structured data rank higher.
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