At TerraFirma Foundation Systems, we understand that your foundation cracks, musty basements, moldy crawl spaces, and sunken ... concrete are a source of stress. When not addressed promptly, they pose safety hazards, create health problems, and lead to more extensive repairs down the road. The experts at TerraFirma have seen all of these issues and more. Since 2005, we have helped thousands of homeowners and businesses in the Pacific Northwest with timely, effective solutions and products backed by extensive warranties. More than just experts in residential and commercial foundations, basements, crawl spaces, and concrete, the folks at TerraFirma are your partner in solutions that protect your investment, increase your quality of life, and provide peace of mind that your home, office, or commercial building is ready for the long haul. You can trust TerraFirma. We are committed to delivering extraordinary experiences in all of the communities we serve across all of Oregon and Western Washington, including – Seattle, Tacoma, Olympia, Vancouver, Portland, Hillsboro, Beaverton, Salem, Eugene, Roseburg, and Medford. read more