About TerraFirma
We cover all of Oregon and Southwest Washington. Fix it once. Fix it with confidence. Fix it with TerraFirma Get a FREE Quote!

Founded in 2005, TerraFirma has been a partner in keeping your home safe and sound structurally for over a decade. The foundation experts have gained a reputation of providing all customers with the best quality of service. Each employee is extensively trained and certified in foundation repair and basement waterproofing, so you can rest assured knowing you are in good hands.

At TerraFirma, we understand that foundation cracks, wet crawlspaces, and musty basements are stressful. We offer a free onsite estimate for all work that you may need to be completed, and we will work with you to customize a solution for your home.

TerraFirma stands by our promise of solving your foundation problem and basement needs in the most efficient manner.

TerraFirma Reviews and Ratings

Check out reviews and comments from our past customers.

I was very pleased with all aspects of the work...I would highly recommend your firm to anyone who asked about it!

I will never go with anyone else but Terra Firma. My crawl space looks great and my house and family are healthy.

We were very impressed with the professionalism and courtesy. And, the Thank Yous, at least two. Awesome experience.<...

Extremely happy with both crews that came to my home. Respect for my home and property was a priority with them, and ...

I'm glad I had my CLEANSPACE installed BEFORE I had any problems with mold or rot.

You can be proud of the this team!

I called many contractors to find some one to level our house a year or so ago but no one would bid on the job. They ...

things went as planned. a couple things were overlooked, no big deal. missed access opening under back room. I pulled...

Thank You!

Drew, our installation crew chief, did an outstanding job!

I chose Terrafirma because of the expertise shown by the salesman, followed up by a great crew on site.

Our home is on a slope in the woods, and over time we noted significant signs of settlement - cracks in drywall and c...

TerraFirma Average: 4.8 out of 5
Total Reviews: 171

our service area

We serve the following areas

  • Adams
  • Adrian
  • Arock
  • Athena
  • Baker City
  • Bates
  • Boardman
  • Bridgeport
  • Brogan
  • Burns
  • Canyon City
  • Cove
  • Crane
  • Dayville
  • Diamond
  • Drewsey
  • Durkee
  • Echo
  • Elgin
  • Enterprise
  • Fields
  • Frenchglen
  • Haines
  • Halfway
  • Harper
  • Helix
  • Heppner
  • Hereford
  • Hermiston
  • Hines
  • Huntington
  • Imbler
  • Imnaha
  • Ione
  • Ironside
  • Irrigon
  • Jamieson
  • John Day
  • Jordan Valley
  • Joseph
  • Juntura
  • Kimberly
  • La Grande
  • Lexington
  • Long Creek
  • Lostine
  • Meacham
  • Milton Freewater
  • Monument
  • Mount Vernon
  • North Powder
  • Nyssa
  • Ontario
  • Oxbow
  • Paulina
  • Pendleton
  • Pilot Rock
  • Prairie City
  • Princeton
  • Richland
  • Riley
  • Riverside
  • Seneca
  • Spray
  • Stanfield
  • Summerville
  • Sumpter
  • Ukiah
  • Umatilla
  • Union
  • Unity
  • Vale
  • Wallowa
  • Westfall
  • Weston
Our Locations:

TerraFirma Foundation Systems
761 NE Garden Valley Blvd.
Roseburg, OR 97470
1-541-204-4660


TerraFirma Foundation Systems
932 Industry Drive STE 200
Seattle, WA 98188
1-253-777-0712


TerraFirma Foundation Systems
13110 SW Wall St
Portland, OR 97223
1-541-229-4049


TerraFirma Foundation Systems
10111 S Tacoma Way D5
Lakewood, WA 98499
1-253-201-1447
Service Area
Free Quote