About TerraFirma

We cover all of Oregon and Southwest Washington.

Fix it once. Fix it with confidence. Fix it with TerraFirma

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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.

News and Events

Just like it's important to keep your sidewalk, patio, and driveway leveled and free from being a tripping hazard, the...

Just like it's important to keep your sidewalk, patio, and driveway leveled and free from being a tripping hazard, the same care needs to be put into maintaining your poo...

Wednesday, June 5th, 2019

Repairing water-damaged wooden floor posts in your crawl space can seem like an overwhelming and expensive project. However, if you...

Repairing water-damaged wooden floor posts in your crawl space can seem like an overwhelming and expensive project. However, if you can catch the problem before it become...

Thursday, May 23rd, 2019

When the soil starts to settle and your foundation begins to sink, it's important to be able to identify the...

When the soil starts to settle and your foundation begins to sink, it's important to be able to identify the warning signs so that you can take control and consult with a...

Wednesday, May 8th, 2019

To be transparent and clear up any confusion, we've compiled a list of frequently asked questions about PolyLevel....

To be transparent and clear up any confusion, we've compiled a list of frequently asked questions about PolyLevel.

Tuesday, April 9th, 2019

The Nation Weather Service has issued several flood warnings in Oregon, including in Douglas County, Lane County, Linn County, and...

The Nation Weather Service has issued several flood warnings in Oregon, including in Douglas County, Lane County, Linn County, and Jackson County.

Monday, April 8th, 2019

Your home is supposed to be a refuge from your allergies, but if your crawl space isn't sealed with a...

Your home is supposed to be a refuge from your allergies, but if your crawl space isn't sealed with a vapor barrier, the allergens under your home are more than likely ma...

Wednesday, March 27th, 2019

Keeping an eye out for foundation cracks is one of the most important things you can do to make sure...

Keeping an eye out for foundation cracks is one of the most important things you can do to make sure your home's foundation is in stable condition.

Thursday, March 14th, 2019

TerraFirma ranked one of the best companies to work for in Oregon!...

TerraFirma ranked one of the best companies to work for in Oregon!

Monday, March 4th, 2019

On Friday at approximately 11 a.m., a 3.0 magnitude earthquake hit the Oregon Coast, 9 miles east of Lincoln City....

On Friday at approximately 11 a.m., a 3.0 magnitude earthquake hit the Oregon Coast, 9 miles east of Lincoln City.

Friday, February 22nd, 2019

The National Weather Service has issued a flood watch in Portland from Monday night through all day Tuesday....

The National Weather Service has issued a flood watch in Portland from Monday night through all day Tuesday.

Monday, February 11th, 2019

The mold, mildew, and odor in your crawl space will eventually make it into your crawl space. The best way...

The mold, mildew, and odor in your crawl space will eventually make it into your crawl space. The best way to keep your crawl space (and in turn, your home) free from wat...

Wednesday, February 6th, 2019

Homeowners in Oregon and Washington are no strangers to frequent rain, but when the storms stop, all of that collected...

Homeowners in Oregon and Washington are no strangers to frequent rain, but when the storms stop, all of that collected rainwater lives in your soil and stays there until ...

Thursday, January 24th, 2019

Keeping your home warm and comfortable can get a little pricey during the winter, but there is a way for...

Keeping your home warm and comfortable can get a little pricey during the winter, but there is a way for you to reduce your monthly energy bill.

Thursday, January 3rd, 2019

According to the National Weather Service, the strongest storm of winter is expected to hit Oregon and Washington tonight....

According to the National Weather Service, the strongest storm of winter is expected to hit Oregon and Washington tonight.

Monday, December 17th, 2018

Rotting wood is a significant problem for homeowners. For homeowners in the Pacific Northwest, dry rot is a particular type...

Rotting wood is a significant problem for homeowners. For homeowners in the Pacific Northwest, dry rot is a particular type of wood rot that's popular in our climate.

Tuesday, November 27th, 2018

From Thursday evening to Friday morning, the U.S. Geological Survey recorded five earthquakes hitting 112 miles off the Southern Oregon...

From Thursday evening to Friday morning, the U.S. Geological Survey recorded five earthquakes hitting 112 miles off the Southern Oregon coast near Port Orford.

Friday, November 16th, 2018

Constant rain isn't the only way your home can suffer from water damage....

Constant rain isn't the only way your home can suffer from water damage.

Tuesday, November 6th, 2018

Even if you're not allergic to mold, it can still irritate your nose, throat, eyes, and skin.

Fortunately, there are ways...

Even if you're not allergic to mold, it can still irritate your nose, throat, eyes, and skin. Fortunately, there are ways to prevent mold in your home, especially in y...

Tuesday, October 30th, 2018

Have you ever considered what's in the air you breathe in your home? While it's weird to think about, but...

Have you ever considered what's in the air you breathe in your home? While it's weird to think about, but for homeowners in the Pacific Northwest, it should be top of min...

Thursday, October 11th, 2018

With constant maintenance and added expenses, being a homeowner involves a lot of responsibility, which can extend beyond your property...

With constant maintenance and added expenses, being a homeowner involves a lot of responsibility, which can extend beyond your property line.

Tuesday, September 25th, 2018

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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
10111 S Tacoma Way Suite D5
Tacoma, WA 98499
1-253-777-0712


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