10 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Waimalu: First Class Roofing LLC, CR Score 60/100; 5.0★ from 79 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Action Roofing Hawaii LLC, posts 24/7 hours; ranked #2 of 10.
Most-reviewed: Action Roofing Hawaii LLC, 24 Google reviews at 4.8★, the most of 10 ranked after First Class Roofing LLC; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Waimalu foundation repair companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 5 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.7★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | First Class Roofing LLC | 60 | 5.0★ (79) | Waipahu, 3 mi away | Sat · Sun | Overall |
| 2 | Action Roofing Hawaii LLC | 56 | 4.8★ (24) | Kapolei, 10 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Tory's Roofing & Waterproofing | 54 | 4.5★ (21) | Pearl City, 2 mi away | — | — |
| 4 | On Top Roofing LLC | 53 | 4.9★ (10) | Pearl City, 3 mi away | Sat · Sun | — |
| 5 | C&O Masonry Contractor | 53 | 5.0★ (13) | Waianae, 2 mi away | Sat · Evenings | — |
| 6 | Commercial Roofing and Waterproofing | 52 | 3.5★ (6) | Waipahu, 5 mi away | — | — |
| 7 | RSC Roofing LLC | 51 | 4.4★ (8) | Kapolei, 9 mi away | Sat · Sun | — |
| 8 | Pacific Roofing & Waterproofing | 49 | 3.4★ (5) | Honolulu, 7 mi away | — | — |
| 9 | JD Painting & Decorating, Inc. | 48 | 4.3★ (7) | Honolulu, 5 mi away | — | — |
| 10 | Foundations Hawaii, Inc. | 48 | 5.0★ (3) | Kapolei, 11 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 5.0★ from 79 Google reviews, the most in Waimalu.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kapolei, 10 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearl City, 2 mi away
Ranked #3 because of its Google rating and review volume: 4.5★ from 21 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearl City, 3 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 10 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waianae, 2 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waipahu, 5 mi away
Ranked #6 because of its Google rating and trade focus: 3.5★ from 6 Google reviews, listed on Google as “Roofing contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kapolei, 9 mi away
Ranked #7 because of its Google rating and review volume: 4.4★ from 8 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Honolulu, 7 mi away
Ranked #8 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Honolulu, 5 mi away
Ranked #9 because of its Google rating and trade focus: 4.3★ from 7 Google reviews, listed on Google as “Painter”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kapolei, 11 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Waimalu. 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 10 Waimalu 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 Waimalu 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 |