7 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sunnyside: LF CONSTRUCTION & EXCAVATING, CR Score 52/100; 5.0★ from 31 Google reviews; open 24/7.
Best for emergencies (open 24/7): Russell Crane Service Inc, posts 24/7 hours; ranked #3 of 7.
Most-reviewed: Black Diamond Roofing, 266 Google reviews at 4.9★, the most of 7 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Sunnyside foundation repair companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 2 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 7 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | LF CONSTRUCTION & EXCAVATING | 52 | 5.0★ (31) | Yakima, 31 mi away | 24/7 | Overall |
| 2 | Black Diamond Roofing | 51 | 4.9★ (266) | Richland, 35 mi away | — | Most reviews |
| 3 | Russell Crane Service Inc | 48 | 4.3★ (6) | Yakima, 31 mi away | 24/7 | Emergencies |
| 4 | Don Jordan Energy Systems Inc | 44 | 5.0★ (4) | Yakima, 32 mi away | — | — |
| 5 | Valley Septic Service LLC | 44 | 3.7★ (9) | Union Gap, 28 mi away | — | — |
| 6 | Hammer, Donalyn MS, LMHC | 44 | 5.0★ (3) | Yakima, 32 mi away | — | — |
| 7 | C & C Construction Services | 40 | 2.3★ (3) | Kennewick, 39 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 31 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richland, 35 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 266 Google reviews, the most in Sunnyside.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Yakima, 31 mi away
Ranked #3 because of its Google rating and availability: 4.3★ from 6 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Yakima, 32 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window supplier”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Union Gap, 28 mi away
Ranked #5 because of its Google rating and trade focus: 3.7★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Yakima, 32 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Youth organization”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kennewick, 39 mi away
Ranked #7 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Sunnyside. 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 7 Sunnyside 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 23, 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 Sunnyside 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 |