If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
Since 2005, the people of TerraFirma Foundation Systems have kept Northwest homes safe, dry, and stable. We are trusted and referred by homeowners to provide solutions for home foundations, basement and crawl space moisture, concrete leveling, and earthquake retrofitting.
At TerraFirma, we understand that foundation cracks, wet crawlspaces, and musty basements are stressful. We offer a free onsite estimate and we will work with you to customize a solution for your home.
We are committed to providing industry-leading solutions and a professional, trained, empowered, and transparent team. Our goal is to deliver you an extraordinary customer experience. And we back up our work with the best warranties in the business.
Our ratings, reviews, and thousands of referrals speak to our commitment to you, our valued customer.
That's why TerraFirma has evolved into the Pacific Northwest's industry leader in foundation, basement, crawl space, and concrete repairs. We look forward to earning your business.
Overview
Current Top Pro
Hired 3 times
Serves Portland, OR
Background checked
170 employees
21 years in business
Business hours
SunClosedMon8:00 am - 5:00 pm
Payment methods
This pro accepts payments via Cash, Check, and Credit card.
Customers rated this pro highly for professionalism, responsiveness, and punctuality.
Good 4.1
47 reviews
5
72%
4
4%
3
2%
2
7%
1
15%
This pro's rating is a combination of reviews posted by customers both on and off of Thumbtack. Thumbtack cannot verify external reviews.
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Ethel K.
Mar 7, 2024
•
Hired on Thumbtack
The officer at the firm is calling me with every step. We are just ge4tting premits now( Orergon govt is slow) They will call me whe4n the premits are done with a date to start work.
Details: Cracked or bowing walls and siding • Crawl space • I'm not sure, I need a professional's help to identify my load-bearing wall type • Residential
TerraFirma's reply
Great, thank you, Ethel! We hope to earn 5 stars by the end of our time working together!
Foundation Repair
Robert D.
Sep 11, 2025
•
Hired on Thumbtack
ok
Details: Patio, porch, or deck • Cracking • Residential
TerraFirma's reply
Thanks Robert! We think you're ok too.
Concrete Repair and Maintenance
Credentials
Background Check
Regina Martin
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
We offer free in-home evaluations for all services. Every home is different, so costs vary considerably depending on the type of foundation, existing issues, and ground/soil conditions. We also offer financing.
What is your typical process for working with a new customer?
Our technicians will come to your home and do a thorough inspection outside/inside and under your home. They'll show you photos and videos and measurements of what they observe. If we can help solve a problem in your home, we'll offer you an estimate for our solution.
What education and/or training do you have that relates to your work?
TerraFirma is a member of Supportworks, the nationally renowned foundation repair network. Our team is professionally trained by the providers of their exclusive, patented products. Our team reguarly attends further certification courses and maintains high standards for best practices from trusted professionals in the industry.