TerraFirma
Market rank
#1 / 5
TerraFirma provides foundation services in Portland, OR. Use this page to review business details, compare ratings, and contact the company directly about your project.
Health scoreApr 19, 2026
30
out of 100
#1
Market rank
4.8
Avg rating
871
Total reviews
No public response signal
Response rate
Unknown
Years active
30
Health score
Health score · 30 / 100
Six signals, weighted nightly.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how TerraFirma broke down on Apr 19, 2026.
Score trend
30d90d1y
TerraFirma
90 days trailing
Market position
#1 of 5 Foundation in Portland.
Operator ranks every foundation in Portland every night at 2 am HST using reviews, response rate, and local market share.
#1
of 5 Foundation businesses
in Portland
in Portland
Leaderboard refreshed every night at 2 am HST. Your rank updates before you wake up.
Foundation · Portland
Top 5 shown
1
TerraFirma · this page
871
2
Portland Construction & Restoration Solutions
791
3
Foundations First Northwest
165
4
Keystone Concrete Driveway Retaining Wall Foundation Contractor-Lake Oswego/West Linn
Recent activity
What changed this month.
Holding a top 1 slot in Portland Foundation
Market leaderboard refreshed this morning
In person
The shop, the team, the work.
The numbers tell one story. The photos tell another. Images are indexed from Google Business Profile, the public website, and connected social profiles.
Reviews · 871 total
What customers say.
Reviews pulled nightly from Google, Yelp, and Meta. Aggregate weighted by recency and source authority.
4.8★★★★★871 reviews
5 ★
450
4 ★
225
3 ★
112
2 ★
56
1 ★
28
Review themes refresh nightly. Check back once Operator has synthesized enough comments from TerraFirma’s reviews.
About & contact
Where to find them.
About
TerraFirma is a highly rated foundation service provider in Portland, OR, offering a range of essential services such as pier & beam repair, slab repair, basement waterproofing, and more. With strong customer reviews and established hours of operation, they are well-positioned to serve the local community.
Phone
Hours
Monday7:00 AM - 5:00 PM
Tuesday (today)7:00 AM - 5:00 PM
Wednesday7:00 AM - 5:00 PM
Thursday7:00 AM - 5:00 PM
Friday
Competitors · top 5
Side by side with the neighborhood.
The foundation shops TerraFirmacompetes with most often, ranked by Operator’s health score. Tap any row for that shop’s full page.
#
Business
Rating
Reviews
Response
Score
1
TerraFirma
★4.8
871
No response signal
30
2
Portland Construction & Restoration Solutions
★4.9
791
No response signal
92
3
Foundations First Northwest
★4.9
165
No response signal
82
FAQ
Quick answers.
The questions people ask before they call.
Who is the best foundation in Portland?
Operator ranks every foundation in Portland every night at 2 am HST. TerraFirma currently ranks #1 with a 4.8 rating across 871 reviews. Rankings refresh nightly from Google, Yelp, and Meta.
How do I contact TerraFirma?
Call (503) 694-7894 for service. The website www.goterrafirma.com/portland?utm_source=google&utm_medium=GBP-Portland also has direct contact info.
What are TerraFirma's hours?
Hours are listed on this page under About and contact. Operator refreshes them from public sources and direct claim updates.
Is TerraFirma licensed and insured?
License and insurance details have not been verified with TerraFirma yet. Find the listing to add them.
How is the Health score calculated?
Six weighted components: Reviews and rating (25%), Response rate (15%), Market rank (20%), Financial health (20%), Jobs flow (10%), and Operator activity (10%). Recomputed every night at 2 am HST using data from Google, Yelp, Meta, and for claimed businesses, direct integrations.
Why does this page say "unclaimed"?
Operator indexes every local business in the United States, whether they have signed up or not. Unclaimed means no owner at TerraFirma has verified control of the listing. If you own this business, claim it free to edit details, respond to reviews through Your Operator, and see precise financial scores.
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