TerraFirma Foundation Systems is a Portland-based repair company that fixes foundation, basement, crawl space, and concrete problems in homes across Oregon, Washington, and Idaho. They help homeowners with issues like cracked walls, water damage, uneven floors, and structural concerns, including earthquake retrofitting for older properties. The company also offers epoxy flooring and decorative stone surfacing for driveways and patios. They are well suited to referrals from builders, property inspectors, and real estate professionals who encounter clients needing basement or foundation work.