expert waterproofing & foundationspecialists you can trust

OR and WA's Foundation Repair & Basement Waterproofing Contractor

Serving Portland, Vancouver, Salem & Nearby

You don't have to live with sloping floors, sticky doors / windows, drywall cracks, or water in the basement. Our foundation repair systems can fix your home's foundation problems. Need to waterproof your basement or fix your damp crawl space? We can help with that too.

TerraFirma is your local expert providing basement waterproofing, crawl space repair, and foundation repair services to both Oregon and Washington homes and businesses. We service Vancouver, Portland, Salem quickly and effectively, fixing your waterproofing and foundation problems.

Why choose us

Awarded, Patented Products

Trained & Certified Servicemen

Written, transferable Warranties

Dedicated Customer Service

For the past decade TerraFirma has been serving western Oregon and southern Washington with expert foundation repair, basement waterproofing and crawl space repair. We have been featured on the local "Around the House with Handyman Bob" radio show and in many other local community events.

We are members of the Basement Systems and Supportworks international networks of waterproofing and foundation repair dealers. Our servicemen receive advanced training and exclusive access to warrantied, patented products. When you work with TerraFirma you can expect professional service and permanent solutions.

Our customers think we're great

Hundreds of Satisfied Customers

We've seen basement, crawl space and foundation problems in hundreds of Oregon and Washington homes and we had the expertise, knowledge and products to fix the problems. That is why hundreds of our customers have recommended us to their friends. Our team offers push piers, helical piers, concrete lifting, cellular concrete, slab jacking, mudjacking, sump pump installation, underpinning, dehumidifiers, vapor barriers and more.

If you need help with your basement, crawl space or foundation let's schedule an appointment. One of our servicemen will provide a free home inspection, answer all your questions & give you a written, price estimate. We work with businesses and homeowners in Salem, Vancouver, Portland and all surrounding areas.

BBB Accredited
Home Builders Foundation
EPA Indoor airPLUS
HomeAdvisor Screened & Approved

our service area

We serve the following areas

  • Adrian
  • Baker City
  • Bates
  • Boardman
  • Brogan
  • Burns
  • Canyon City
  • Dayville
  • Drewsey
  • Fields
  • Halfway
  • Harper
  • Hereford
  • Hines
  • Huntington
  • Ione
  • Ironside
  • Jamieson
  • John Day
  • Jordan Valley
  • Juntura
  • Kimberly
  • Long Creek
  • Monument
  • Mount Vernon
  • Nyssa
  • Ontario
  • Oxbow
  • Paulina
  • Prairie City
  • Princeton
  • Richland
  • Riley
  • Riverside
  • Seneca
  • Spray
  • Sumpter
  • Umatilla
  • Unity
  • Vale
  • Westfall
  • Benton City
  • Grandview
  • Kennewick
  • Mabton
  • Outlook
  • Pasco
  • Prosser
  • Sunnyside
  • West Richland
Our Locations:

TerraFirma Foundation Systems
761 NE Garden Valley Blvd.
Roseburg, OR 97470

TerraFirma Foundation Systems
7910 SW Hunziker St
Portland, OR 97223