32 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Four Corners: Better Basements and Waterproofing, CR Score 81/100; 4.9★ from 190 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): MJ General Contractor, LLC, posts 24/7 hours; ranked #3 of 32.
Most-reviewed: TerraFirma, 870 Google reviews at 4.8★, the most of 32 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
32 Four Corners foundation repair companies are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 10 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 32 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Better Basements and Waterproofing | 81 | 4.9★ (190) | Oregon City, 32 mi away | Sat · Evenings | Overall |
| 2 | J.A. Holland Construction LLC | 79 | 4.8★ (37) | Four Corners | Sat · Sun | — |
| 3 | MJ General Contractor, LLC | 78 | 5.0★ (31) | Happy Valley, 27 mi away | 24/7 | Emergencies |
| 4 | Titan construction services llc your residential and commercial roofing and more | 77 | 5.0★ (9) | Oregon City, 17 mi away | 24/7 | — |
| 5 | Koala Insulation of West Portland | 76 | 5.0★ (170) | Forest Grove, 25 mi away | Sat | — |
| 6 | Douglas Shepherd's Dirt Work | 76 | 4.8★ (4) | Keizer, 6 mi away | 24/7 | — |
| 7 | Northwest Foundation Repair LLC | 76 | 4.0★ (4) | Four Corners | Sat · Sun | — |
| 8 | John's Waterproofing | 75 | 4.6★ (343) | Silverton, 11 mi away | — | — |
| 9 | Your Crawl Space Guys | 75 | 4.5★ (114) | McMinnville, 21 mi away | — | — |
| 10 | Foundations First Northwest | 73 | 4.9★ (166) | Wilsonville, 29 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 190 Google reviews, listed on Google as “Waterproofing service”.
Based in Four Corners
Ranked #2 because of its Google rating and availability: 4.8★ from 37 Google reviews, open 7 days a week.
Based in Happy Valley, 27 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
Based in Oregon City, 17 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based in Forest Grove, 25 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 170 Google reviews, 170 Google reviews.
Based in Keizer, 6 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 4 Google reviews, open 24/7.
Based in Four Corners
Ranked #7 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 7 days a week.
Based in Silverton, 11 mi away
Ranked #8 because of its Google rating and review volume: 4.6★ from 343 Google reviews, 343 Google reviews.
Based in McMinnville, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 114 Google reviews, listed on Google as “Waterproofing service”.
Based in Wilsonville, 29 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 166 Google reviews, 166 Google reviews.
Based in Salem, 2 mi away
Ranked #11 because of its Google rating and trade focus: 2.7★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based in Portland, 36 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 870 Google reviews, the most Google reviews on this list (870).
Based in Corvallis, 25 mi away
Ranked #13 because of its Google rating and review volume: 4.8★ from 209 Google reviews, 209 Google reviews.
Based in Tigard, 36 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 304 Google reviews, 304 Google reviews.
Based in Salem, 4 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Construction company”.
Based in Newberg, 25 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Construction company”.
Based in Tigard, 37 mi away
Ranked #17 because of its Google rating and review volume: 4.6★ from 488 Google reviews, 488 Google reviews.
Based in Beaverton, 27 mi away
Ranked #18 because of its Google rating and availability: 4.7★ from 13 Google reviews, open Saturdays until 7 PM.
Based in Four Corners
Ranked #19 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Roofing contractor”.
Based in Portland, 38 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Concrete contractor”.
Based in McMinnville, 23 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Contractor”.
Based in Corvallis, 31 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 55 Google reviews, 55 Google reviews.
Based in Canby, 29 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Concrete contractor”.
Based in Beaverton, 36 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Concrete contractor”.
Based in Dallas, 9 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
#1 to #25 are shown in full above. Here are #26 to #32, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Keystone Concrete Driveway Retaining Wall Foundation Contractor of Hillsboro and Beaverton | 66 | 5.0★ (11) | 40 mi |
| 27 | D&L Masonry | 65 | 5.0★ (7) | 40 mi |
| 28 | Pioneer Waterproofing Co Inc | 65 | 4.0★ (28) | 35 mi |
| 29 | Masonry Waterproofing, and Drainage Masters | 65 | 4.5★ (8) | 38 mi |
| 30 | Home Builders Foundation | 63 | 4.3★ (3) | 36 mi |
| 31 | PNW Flatwork, Inc. dba FETTIG & PNW Foundations, Inc. dba FETTIG | 61 | 2.3★ (15) | 30 mi |
| 32 | Presto Homes, Inc. | 57 | 2.8★ (18) | 39 mi |
19 more foundation repair companies within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 4 C's Company Inc. | In Four Corners | |
| 503 ROOFERS | 5.0★ (2) | 35 mi |
| CN Contractors LLC | In Four Corners | |
| EFFICIENT CONSTRUCTION COMPANY LLC | 1.0★ (2) | 37 mi |
| Fletes Construction | 5.0★ (4) | In Four Corners |
| Foundations First Northwest | 38 mi | |
| Groundhog LLC | 5.0★ (1) | 23 mi |
| Ivan's Concrete Construction, LLC. | In Four Corners | |
| M&M CONSTRUCTION & REPAIR LLC | 1.0★ (1) | 38 mi |
| Mallard Waterproof Decks | 5.0★ (1) | 33 mi |
| Mid Pacific Enterprises Inc | 26 mi | |
| Mikes Foundations Concrete | 40 mi | |
| Molalla | 5.0★ (1) | 25 mi |
| Molalla Masonry Inc - Masonry Contractor and Repair | 25 mi | |
| N&R Concrete and Construction, LLC | In Four Corners | |
| Norte PTC Concrete LLC | 5.0★ (4) | In Four Corners |
| Northwest Waterproofing | 5.0★ (2) | 38 mi |
| Reece Johnson Paving & Excavation | 5.0★ (2) | 31 mi |
| Valley Brothers Roofing | 21 mi |
National price ranges in USD, not adjusted for Four Corners. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | $2,225 | $5,174 | $8,133 | Per project: typical range of customer-reported repairs. US national range | October 2026 |
We scored 32 Four Corners foundation repair companies on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Four Corners data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |