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Reviews From Multnomah County
Products & Services

Basement Waterproofing
Waterproof Wall Products
DryTrak Basement Water Control System
Floodring Water Heater Protection
Basement Dehumidifier
Sump Pump Solutions
Triplesafe Sump Pump
SuperSump Sump Pump
UltraSump Sump Pump
Interior Drainage Systems
Waterguard® Drainage System Drytrak®
Trench Drain WaterGuard®: Iron Ochre System (IOS)
Flowguard Drain
Well duct Window Well Drain
Warrantied Products & Solutions

Foundation Repair
Pier Systems
Push Piers
Slab Piers
Helical Piers
Smart Jack Crawl Space Support Posts
Foundation Wall Repair
Geo-Lock Wall Anchors
Powerbrace Basement Wall Repair System
CarbonArmor Reinforcing Basement Wall System
Bowing Foundation Wall Repair
Shotcrete Spray Concrete
Concrete Lifting

Concrete Repair
Concrete Driveway Repair
Concrete Pool Deck Repair
Concrete Walkway Repair
Concrete Patio Repair
Concrete Leveling & Lifting
Mudjacking Alternatives
NexusPro Cracked Concrete Repair

Earthquake Retrofitting

Free Estimates & Inspections

TerraFirma serving Multnomah County, OR

The guys did a wonderful job and we couldn’t have asked for a better result. So awesome! And they did...
Happy Customers Surrounding Multnomah County, OR
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Structural repair, crawl space repair, basement waterproofing, & more

Have wet basement walls, a cracked foundation, crawl space humidity, sinking concrete slabs, or other issues with your Multnomah County, OR home? TerraFirma provides expert foundation repair, crawl space repair, concrete repair, and basement waterproofing solutions that restore the home's performance and image, and value overall.

We specialize in customizable solutions adaptable for all Multnomah County, OR homes! Call 1-844-311-8051 or click below to schedule a free, no-obligation service estimate today!

Radon Mitigation Experts in OR

Radon is a naturally occurring radioactive gas that has become the second-leading cause of lung cancer -- second only to cigarette smoke. It is not something you can see, taste, hear or touch, which makes it something you don’t want in your home. Did you know that almost one of every fifteen homes in America sufferers from elevated radon levels? TerraFirma has been helping homeowners just like you with radon testing, mitigation, and providing some primary radon education throughout Oregon and Washington if you are in Multnomah and require a radon inspection call TerraFirma today!

Our radon mitigation services include:

  • Radon mitigation systems
  • Radon testing
  • ,
  • Indoor air quality services
  • Radon mitigation inspection
  • Radon and real estate
  • And more!

Foundation repair solutions in Multnomah County, OR

Even the smallest of structural issues can worsen to cause damage to the rest of your Multnomah County, OR home. TerraFirma has reliable Supportworks products and solutions that not only restore your foundation but prevent ongoing damage in the future.

Our foundation repair services include:

  • Pier systems
  • Structural repair services
  • Foundation wall repair systems
  • Spray concrete
  • Concrete repair
  • And more!

Have you noticed structural settlement? Cracks within the foundation? A tilted Chimney? We have solutions for these issues and more!

Call or email us today to schedule a free consultation with a system design specialist, who will provide an initial foundation assessment and walk you through the entire repair process.

Restore & encapsulate your crawl space

Interested in crawl space solutions that fix water build-up, humidity, mold growth, and structural issues and provide added storage space and protection? The crawl space repair system from TerraFirma is the solution! Not only does TerraFirma restore your Multnomah, OR crawl space, they also seal the below-grade space to protect it from the elements and for added storage space!

Our crawl space repair & encapsulation services include:

  • Crawl space sump pumps
  • Crawl space vapor barriers
  • Crawl space access wells
  • Downspout extensions
  • And more!

Wet basement repair products & solutions

A wet basement can cause serious issues with the overall structure of your Multnomah, OR home. We specialize in basement waterproofing solutions that repair damaged below-grade spaces and provide added water protection.

Our basement waterproofing services include:

  • Waterproof wall products
  • Basement crack repair
  • Basement dehumidifier
  • Basement sump pump
  • Interior drainage solutions
  • Window well drains
  • Downspout extensions
  • And more!

Interested in patented Basement Systems products and services that do more than provide temporary fixes? Our warrantied solutions are just what you need for long-term solutions!

Concrete repair contractors

Sinking, cracked, and weak concrete looks as unappealing as dangerous, as they are a serious falling hazard. TerraFirma isn't interested in providing services that will make your Multnomah, OR home messy and end up costing you more. That is why we offer our polyurethane concrete solution, NexusPro, cracked concrete repair. This innovative concrete repair solution applies quickly to produce durable, long-lasting results without the mess and stress.

Our concrete repair services include:

  • Concrete leveling
  • NexusPro cracked concrete repair
  • Concrete sidewalk repair
  • Concrete driveway repair
  • Concrete pool deck repair
  • Concrete patio repair
  • Mudjacking alternatives
  • And more!

Expert radon mitigation services in Multnomah

TerraFirma offers radon testing, radon mitigation systems, and indoor air quality services and more throughout Oregon and Washington. Radon is a potentially life-threatening odorless, tasteless, and silent gas that is in one of every fifteen American homes. TerraFirma has trained experts that are certified in radon testing, mitigation, and more. If your family in Multnomah has been showing signs of illness that could be related to radon or other indoor pollutants, give them a call today to get cleaner air and a better education & understanding of how to prevent radon from getting back in.

Wet basement, crawl space, foundation repairs & more

Since 2005, TerraFirma has offered reliable foundation repair, crawl space repair, basement waterproofing, concrete repair, earthquake retrofitting services that restore Multnomah, OR homes and provide lasting protection.

Call 1-844-311-8051 or click below to schedule a FREE, no-pressure service estimate for any of our services in Multnomah, OR!

Work Requests From Multnomah County, OR
Project Location: Multnomah, OR
Would like a quote to bring the foundation up to snuff for earthquakes.
Project Location: Multnomah, OR
Foundation & water proofing basement
Serving the following Multnomah County, OR zip codes
Portland 97233, Portland 97220, Portland 97213, Portland 97206, Portland 97283, Portland 97240, Portland 97230, Portland 97217, Portland 97210, Portland 97293, Portland 97203, Portland 97266, Portland 97236, Portland 97221, Portland 97214, Portland 97207, Portland 97286, Portland 97242, Portland 97231, Portland 97218, Portland 97211, Portland 97294, Portland 97204, Portland 97280, Portland 97238, Portland 97227, Portland 97215, Portland 97208, Portland 97290, Portland 97201, Portland 97256, Portland 97232, Portland 97219, Portland 97212, Portland 97296, Portland 97205, Portland 97282, Portland 97239, Portland 97228, Portland 97216, Portland 97209, Portland 97292, Portland 97202, Portland 97258, Gresham 97080, Gresham 97030, Troutdale 97060, Corbett 97019, Fairview 97024, Bridal Veil 97010