18 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Monmouth: Your Crawl Space Guys, CR Score 55/100; 4.5★ from 114 Google reviews.
Best for emergencies (open 24/7): MJ General Contractor, LLC, posts 24/7 hours; ranked #8 of 18.
Most-reviewed: John's Waterproofing, 343 Google reviews at 4.6★, the most of 18 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Monmouth foundation repair companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 9 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Your Crawl Space Guys | 55 | 4.5★ (114) | McMinnville, 25 mi away | — | Overall |
| 2 | John's Waterproofing | 54 | 4.6★ (343) | Silverton, 24 mi away | — | Most reviews |
| 3 | J.A. Holland Construction LLC | 53 | 4.8★ (37) | Four Corners, 14 mi away | Sat · Sun | — |
| 4 | IronHead Roofing | 53 | 4.8★ (209) | Corvallis, 16 mi away | — | — |
| 5 | Koala Insulation of West Portland | 52 | 5.0★ (170) | Forest Grove, 37 mi away | Sat | — |
| 6 | Foundations First Northwest | 51 | 4.9★ (166) | Wilsonville, 39 mi away | — | — |
| 7 | Northwest Foundation Repair LLC | 51 | 4.0★ (4) | Four Corners, 12 mi away | Sat · Sun | — |
| 8 | MJ General Contractor, LLC | 50 | 5.0★ (31) | Happy Valley, 39 mi away | 24/7 | Emergencies |
| 9 | Douglas Shepherd's Dirt Work | 50 | 4.8★ (4) | Keizer, 14 mi away | 24/7 | — |
| 10 | Titan construction services llc your residential and commercial roofing and more | 49 | 5.0★ (9) | Oregon City, 30 mi away | 24/7 | — |
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: 4.5★ from 114 Google reviews, listed on Google as “Waterproofing service”.
Based in Silverton, 24 mi away
Ranked #2 because of its Google rating and review volume: 4.6★ from 343 Google reviews, the most in Monmouth.
Based in Four Corners, 14 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 37 Google reviews.
Based in Corvallis, 16 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 209 Google reviews.
Based in Forest Grove, 37 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 170 Google reviews.
Based in Wilsonville, 39 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 166 Google reviews.
Based in Four Corners, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based in Happy Valley, 39 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 31 Google reviews.
Based in Keizer, 14 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 4 Google reviews, open 24/7.
Based in Oregon City, 30 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based in Corvallis, 21 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 55 Google reviews.
Based in Salem, 14 mi away
Ranked #12 because of its Google rating and trade focus: 2.7★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based in Salem, 15 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 24 Google reviews.
Based in Newberg, 33 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Construction company”.
Based in McMinnville, 25 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Contractor”.
Based in Four Corners, 12 mi away
Ranked #16 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Roofing contractor”.
Based in Dallas, 7 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based in Beaverton, 38 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Concrete contractor”.
11 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. | 26 mi | |
| CN Contractors LLC | 19 mi | |
| Firefighter Handyman Epoxy Floors | 5.0★ (16) | In Monmouth |
| Groundhog LLC | 5.0★ (1) | 14 mi |
| M&M CONSTRUCTION & REPAIR LLC | 1.0★ (1) | 40 mi |
| Mid Pacific Enterprises Inc | 20 mi | |
| Molalla | 5.0★ (1) | 39 mi |
| Molalla Masonry Inc - Masonry Contractor and Repair | 38 mi | |
| Mr. Fix it All | In Monmouth | |
| One and Done Construction LLC CCB:236576 | 5.0★ (5) | In Monmouth |
| Valley Brothers Roofing | 17 mi |
National price ranges in USD, not adjusted for Monmouth. 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 18 Monmouth 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 Monmouth 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 |