110 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Riverside: Dalinghaus Foundation Repair, CR Score 89/100; 4.9★ from 733 Google reviews; open 24/7.
Best for emergencies (open 24/7): Professional Foundation Repair, posts 24/7 hours; ranked #2 of 110.
Most-reviewed: Antis Roofing & Waterproofing, 398 Google reviews at 4.8★, the most of 110 ranked after Dalinghaus Foundation Repair; ranked #39.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
110 Riverside foundation repair companies are ranked here by CR Score, from 8 published factors. 14 are open 24/7, 69 open Saturdays and 37 open Sundays, based on posted hours. The median Google rating is 4.9★ across 110 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dalinghaus Foundation Repair | 89 | 4.9★ (733) | Lake Elsinore, 19 mi away | 24/7 | Overall |
| 2 | Professional Foundation Repair | 84 | 4.9★ (216) | Garden Grove, 37 mi away | 24/7 | Emergencies |
| 3 | Dalinghaus Foundation Repair | 83 | 5.0★ (53) | Irvine, 29 mi away | 24/7 | — |
| 4 | Double Eagle Roofing & Waterproofing | 81 | 5.0★ (3) | Riverside | 24/7 | — |
| 5 | A R SHOWER PANS | 81 | 5.0★ (9) | Canyon Lake, 21 mi away | Sat · Sun · Evenings | — |
| 6 | Groundworks | 81 | 4.9★ (135) | Ontario, 14 mi away | Sat · Sun · Evenings | — |
| 7 | Infinity Shower Pans | 79 | 5.0★ (17) | Whittier, 36 mi away | Sat · Sun · Evenings | — |
| 8 | Pro-Seal Systems | 79 | 5.0★ (9) | Glendora, 30 mi away | Sat · Sun | — |
| 9 | Daniel's Roofing & Waterproofing | 79 | 5.0★ (4) | Corona, 11 mi away | 24/7 | — |
| 10 | Horizon Roofing | 79 | 4.8★ (59) | Irvine, 32 mi away | 24/7 | — |
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 review volume: 4.9★ from 733 Google reviews, the most Google reviews on this list (733).
Based in Garden Grove, 37 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 216 Google reviews, open 24/7.
Based in Irvine, 29 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 53 Google reviews, open 24/7.
Based in Riverside
Ranked #4 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based in Canyon Lake, 21 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
Based in Ontario, 14 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 135 Google reviews, open 7 days a week.
Based in Whittier, 36 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based in Glendora, 30 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
Based in Corona, 11 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Irvine, 32 mi away
Ranked #10 because of its Google rating and availability: 4.8★ from 59 Google reviews, open 24/7.
Based in San Dimas, 26 mi away
Ranked #11 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
Based in Huntington Beach, 39 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “Waterproofing service”.
Based in Orange, 26 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based in Huntington Beach, 38 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based in Montclair, 18 mi away
Ranked #15 because of its Google rating and availability: 4.8★ from 82 Google reviews, open 7 days a week.
Based in Corona, 12 mi away
Ranked #16 because of its Google rating and availability: 4.7★ from 57 Google reviews, open 24/7.
Based in Wildomar, 23 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based in Irvine, 32 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.
Based in Glendora, 30 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based in Anaheim, 31 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
Based in Chino, 12 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 100 Google reviews, 100 Google reviews.
Based in Adelanto, 10 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Waterproofing service”.
Based in Riverside
Ranked #23 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 7 days a week.
Based in Camp Pendleton South, 27 mi away
Ranked #24 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
Based in Irvine, 29 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Contractor”.
#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 110 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.
National price ranges in USD, not adjusted for Riverside. 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 110 Riverside 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 Riverside 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 |