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TerraFirma provides foundation services in Portland, OR. Use this page to review business details, compare ratings, and contact the company directly about your project.
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Source: Operator (https://operator.fyi/foundation/portland/terrafirma-62a59329/) Business: TerraFirma Trade: Foundation Location: Portland, OR 97223 Phone: (503) 694-7894 Website: https://www.goterrafirma.com/portland?utm_source=google&utm_medium=GBP-Portland Rating: 4.8/5 (871 reviews) Market rank: #1 of foundation in Portland Data license: https://operator.fyi/terms/ Refreshed: nightly
Data updated Apr 16, 2026
| # | Business | Rating | Reviews | Response |
|---|---|---|---|---|
| #1 | Portland Construction & Restoration Solutions | 4.9 | 791 | Tracking |
| #2 | Better Basements and Waterproofing | 4.9 | 200 | Tracking |
| #3 | Foundations First Northwest | 4.9 | 165 | Tracking |
| #4 | Keystone Concrete Driveway Retaining Wall Foundation Contractor-Lake Oswego/West Linn | 4.9 | 22 | Tracking |
| #5 | TerraFirma | 4.8 | 871 | Tracking |
| #6 | Keystone Concrete Driveway Retaining Wall Foundation Contractor | 4.7 | 115 | Tracking |
| #7 | Masonry Waterproofing, and Drainage Masters | 4.7 | 67 | Tracking |
| #8 | Ram Jack West | 4.7 | 59 | Tracking |