64 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sandy: Better Basements and Waterproofing, CR Score 59/100; 4.9★ from 190 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Crawlspace Repair, posts 24/7 hours; ranked #2 of 64.
Most-reviewed: TerraFirma, 870 Google reviews at 4.8★, the most of 64 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
64 Sandy foundation repair companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 28 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.8★ across 64 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Better Basements and Waterproofing | 59 | 4.9★ (190) | Oregon City, 20 mi away | Sat · Evenings | Overall |
| 2 | Crawlspace Repair | 56 | 4.3★ (12) | Portland, 19 mi away | 24/7 | Emergencies |
| 3 | Brick By Brick Waterproofing Inc | 55 | 3.7★ (6) | Gresham, 4 mi away | Sat · Sun · Evenings | — |
| 4 | SFW Construction | 55 | 4.9★ (146) | Portland, 24 mi away | 24/7 | — |
| 5 | Ram Jack West | 55 | 4.7★ (58) | Happy Valley, 16 mi away | — | — |
| 6 | AdvantaClean of Vancouver | 54 | 4.9★ (129) | Vancouver, 25 mi away | 24/7 | — |
| 7 | Pure Maintenance Portland | 53 | 5.0★ (92) | Portland, 21 mi away | Sat · Sun · Evenings | — |
| 8 | Pacific Waterproofing | 53 | 4.7★ (48) | Portland, 39 mi away | Sat | — |
| 9 | Tonys Roofing | 53 | 4.9★ (127) | Portland, 15 mi away | Sat | — |
| 10 | Pat's Construction LLC | 52 | 4.7★ (14) | Bethany, 26 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 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 Portland, 19 mi away
Ranked #2 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Foundation”.
Based in Gresham, 4 mi away
Ranked #3 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based in Portland, 24 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 146 Google reviews.
Based in Happy Valley, 16 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Foundation”.
Based in Vancouver, 25 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 129 Google reviews.
Based in Portland, 21 mi away
Ranked #7 because of its Google rating and review volume: 5.0★ from 92 Google reviews.
Based in Portland, 39 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Waterproofing service”.
Based in Portland, 15 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 127 Google reviews.
Based in Bethany, 26 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Waterproofing service”.
Based in Portland, 27 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 193 Google reviews.
Based in Portland, 24 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 870 Google reviews, the most in Sandy.
Based in Forest Grove, 25 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 170 Google reviews.
Based in Wilsonville, 25 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 166 Google reviews.
Based in Happy Valley, 24 mi away
Ranked #15 because of its Google rating and review volume: 5.0★ from 31 Google reviews.
Based in Portland, 16 mi away
Ranked #16 because of its Google rating and review volume: 4.5★ from 89 Google reviews.
Based in Bethany, 26 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Waterproofing service”.
Based in Portland, 22 mi away
Ranked #18 because of its Google rating and review volume: 4.7★ from 115 Google reviews.
Based in Tigard, 25 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 304 Google reviews.
Based in Portland, 7 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Contractor”.
Based in Happy Valley, 19 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Concrete contractor”.
Based in Portland, 20 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 67 Google reviews, listed on Google as “Masonry contractor”.
Based in Silverton, 38 mi away
Ranked #23 because of its Google rating and review volume: 4.6★ from 343 Google reviews.
Based in Tigard, 25 mi away
Ranked #24 because of its Google rating and review volume: 4.6★ from 488 Google reviews.
Based in Portland, 20 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 144 Google reviews.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 64 ranked foundation repair companies here; the rest are on their profiles.
20 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 |
|---|---|---|
| 503 ROOFERS | 5.0★ (2) | 16 mi |
| Advanced Earth Stabilization, LLC | In Sandy | |
| Aquarius Roofing LLC | 5.0★ (1) | 25 mi |
| Betts Concrete Inc | 5.0★ (4) | In Sandy |
| C.A.M.O. | 3.0★ (2) | In Sandy |
| Camas Concrete | 5.0★ (1) | 15 mi |
| Concrete Inspection Services, Inc. | 4.3★ (3) | In Sandy |
| EFFICIENT CONSTRUCTION COMPANY LLC | 1.0★ (2) | 27 mi |
| Guardian Foundations and Construction Inc | 5.0★ (1) | 22 mi |
| KLM Construction Co | 5.0★ (12) | In Sandy |
| Mallard Waterproof Decks | 5.0★ (1) | 26 mi |
| Molalla | 5.0★ (1) | 23 mi |
| Northwest Waterproofing | 5.0★ (2) | 16 mi |
| Nw Concrete Solutions | 4.0★ (8) | In Sandy |
| Pro V Construction Llc | 5.0★ (5) | In Sandy |
| R & I Construction LLC | In Sandy | |
| R&R Roofing & Exteriors, Inc. | 3.0★ (2) | 22 mi |
| Reece Johnson Paving & Excavation | 5.0★ (2) | 28 mi |
| Ritzy Concrete LLC | 5.0★ (2) | 15 mi |
| Sandy River Painting LLC | 5.0★ (46) | In Sandy |
National price ranges in USD, not adjusted for Sandy. 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 64 Sandy foundation repair companies on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Sandy data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |