60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 733 Google reviews, the most in Rialto.
- 4.9★ from 733 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 445 Birch St, Lake Elsinore, CA 92530
Best Foundation Repair Companies in Rialto, CA (2026)
84 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rialto: Dalinghaus Foundation Repair, CR Score 60/100; 4.9★ from 733 Google reviews; open 24/7.
- 5
Best for emergencies (open 24/7): Dalinghaus Foundation Repair, posts 24/7 hours; ranked #5 of 84.
- 2
Most-reviewed: Groundworks, 135 Google reviews at 4.9★, the most of 84 ranked after Dalinghaus Foundation Repair; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
84 Rialto foundation repair companies are ranked here by CR Score, from ten published factors. 10 are open 24/7, 55 open Saturdays and 30 open Sundays, based on posted hours. The median Google rating is 5.0★ across 84 rated businesses.
Top 10 foundation repair companies in Rialto at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dalinghaus Foundation Repair | 60 | 4.9★ (733) | Lake Elsinore, 29 mi away | 24/7 | Overall |
| 2 | Groundworks | 55 | 4.9★ (135) | Ontario, 15 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | American Decking and Waterproofing Company | 54 | 4.9★ (100) | Glendale, 30 mi away | — | — |
| 4 | Pro-Seal Systems | 54 | 5.0★ (9) | Glendora, 29 mi away | Sat · Sun | — |
| 5 | Dalinghaus Foundation Repair | 53 | 5.0★ (53) | Irvine, 39 mi away | 24/7 | Emergencies |
| 6 | A R SHOWER PANS | 53 | 5.0★ (9) | Canyon Lake, 30 mi away | Sat · Sun · Evenings | — |
| 7 | Infinity Shower Pans | 53 | 5.0★ (17) | Whittier, 40 mi away | Sat · Sun · Evenings | — |
| 8 | SoCal Surfacing Inc. | 53 | 5.0★ (19) | Adelanto, 19 mi away | — | — |
| 9 | Double Eagle Roofing & Waterproofing | 53 | 5.0★ (3) | Riverside, 7 mi away | 24/7 | — |
| 10 | Kaliber Roofing Inc | 53 | 4.8★ (82) | Montclair, 19 mi away | Sat · Sun · Evenings | — |
The 84 best foundation repair companies in Rialto, ranked
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.
#2 Groundworks
Based in Ontario, 15 mi away
55/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 135 Google reviews.
- 4.9★ from 135 Google reviews
- Hours
- Mon–Fri 4 AM–8 PM · Sat 5 AM–8 PM · Sun 7 AM–8 PM
- Address
- 1850 S Parco Ave, Ontario, CA 91761
Based in Glendale, 30 mi away
54/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 100 Google reviews
- Hours
- Mon–Fri 9 AM–3 PM · Sat–Sun closed
Based in Glendora, 29 mi away
54/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Sun 8 AM–4 PM
- Address
- 307 S Vermont Ave # H, Glendora, CA 91741
Based in Irvine, 39 mi away
53/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9891 Irvine Center Dr, Irvine, CA 92618
Based in Canyon Lake, 30 mi away
53/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Sun 6 AM–11 PM
- Address
- 30240 Gulf Stream Dr, Canyon Lake, CA 92587
Based in Whittier, 40 mi away
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 14445 Tedford Dr, Whittier, CA 90604
Based in Adelanto, 19 mi away
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Riverside, 7 mi away
53/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1118 Cozumel Ct, Riverside, CA 92501
Based in Montclair, 19 mi away
53/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 82 Google reviews.
- 4.8★ from 82 Google reviews
- Hours
- Mon–Sat 6 AM–7 PM · Sun 9 AM–1 PM
- Address
- 11182 Poulsen Ave, Montclair, CA 91763
#11 J P Roofing
Based in Chino, 14 mi away
53/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 100 Google reviews.
- 4.9★ from 100 Google reviews
- Hours
- Mon–Fri 6 AM–4 PM · Sat 7 AM–5 PM · Sun closed
Based in Wildomar, 33 mi away
52/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 8 AM–4 PM · Sun 8:30 AM–5 PM
- Address
- 21611 Waite St, Wildomar, CA 92595
Based in Glendora, 28 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 7 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 854 E Meda Ave, Glendora, CA 91741
Based in San Dimas, 26 mi away
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Roofing contractor”.
- 4.6★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 675 W Terrace Dr, San Dimas, CA 91773
Based in Corona, 20 mi away
51/100CR ScoreRanked #15 because of its Google rating and review volume: 4.7★ from 57 Google reviews.
- 4.7★ from 57 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 712 W 10th St, Corona, CA 92882
Based in Corona, 20 mi away
51/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19085 Consul Ave, Corona, CA 92881
Based in Rancho Cucamonga, 12 mi away
51/100CR ScoreRanked #17 because of its Google rating and review volume: 4.8★ from 43 Google reviews.
- 4.8★ from 43 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
- Address
- 9431 Haven Ave, Rancho Cucamonga, CA 91730
#18 All Proof Decks
Based in Orange, 34 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 820 W Fletcher Ave, Orange, CA 92865
Based in Glendora, 29 mi away
51/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1025 W Arrow Hwy, Glendora, CA 91740
Based in Yorba Linda, 26 mi away
50/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 46 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat–Sun closed
- Address
- 22603 La Palma Ave, Yorba Linda, CA 92887
Based in Placentia, 31 mi away
50/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.3★ from 24 Google reviews, listed on Google as “Waterproofing service”.
- 4.3★ from 24 Google reviews
- Hours
- Mon–Fri 6 AM–4 PM · Sat–Sun closed
- Address
- 721 S Van Buren St, Placentia, CA 92870
Based in Irvine, 38 mi away
50/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Contractor”.
- 5.0★ from 52 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 8 McLaren # L, Irvine, CA 92618
Based in Orange, 33 mi away
50/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11841 S Rancho Santiago Blvd, Orange, CA 92869
Based in Good Hope, 25 mi away
50/100CR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 61 Google reviews.
- 4.9★ from 61 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 7:30 AM–7 PM · Sun closed
Based in Anaheim, 39 mi away
50/100CR ScoreRanked #25 because of its Google rating and review volume: 5.0★ from 31 Google reviews.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Foundation repair companies ranked #26 to #50
#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 84 ranked foundation repair companies here; the rest are on their profiles.
Also serving Rialto
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 |
|---|---|---|
| ACE Restoration & Waterproofing, Inc. | 5.0★ (2) | 33 mi |
| Andrade Engineering | In Rialto | |
| Armstrong Shotcrete Inc | In Rialto | |
| Best Ever Waterproofing | 5.0★ (2) | 39 mi |
| CALIFORNIA ROOF COATINGS | 4.0★ (2) | 19 mi |
| CalPro Paving | 5.0★ (1) | 4 mi |
| Dan’s Roofing Company Riverside | 5.0★ (2) | 11 mi |
| Dominguez Construction | 3.0★ (2) | 32 mi |
| Earth Development | 5.0★ (1) | 25 mi |
| Foundation Construction | 5.0★ (1) | 14 mi |
| Freedom Chemical Corporation | 5.0★ (2) | 34 mi |
| Innovative Painting & Waterproofing | 5.0★ (2) | 33 mi |
| Jilk Heavy Construction (Rialto) | 3.0★ (1) | In Rialto |
| Magic Hands Roofing Inc. | In Rialto | |
| Professional Foundation Repair | 5.0★ (2) | 13 mi |
| Roofing & Waterproofing | 5.0★ (1) | 26 mi |
| Silver Leaf Construction Inc. | 5.0★ (1) | 24 mi |
| Slater Waterproofing Inc | 3.0★ (2) | 18 mi |
| The M&M Construction Group | 5.0★ (1) | 26 mi |
| Valley Shower Pans | 5.0★ (2) | 22 mi |
How much do foundation repair companies cost in Rialto?
National price ranges in USD, not adjusted for Rialto. 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 |
How we ranked Rialto foundation repair companies
We scored 84 Rialto 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 Rialto 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 |
Foundation repair companies in Rialto: frequently asked questions
Who is the best foundation repair company in Rialto?
By CR Score, the highest-ranked foundation repair company in Rialto, CA is Dalinghaus Foundation Repair with a CR Score of 60/100. It has 4.9★ from 733 Google reviews. It is open 24/7. Groundworks (#2) and American Decking and Waterproofing Company (#3) follow. We ranked 84 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Rialto?
ContractorsRanked ranks 84 foundation repair companies serving Rialto, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Rialto are open 24/7?
10 ranked foundation repair companies in Rialto post 24/7 hours. The highest-ranked are Dalinghaus Foundation Repair (#1), Dalinghaus Foundation Repair (#5) and Double Eagle Roofing & Waterproofing (#9). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Rialto work on weekends?
55 of 84 ranked foundation repair companies post Saturday hours and 30 post Sunday hours. The highest-ranked open Saturdays are Dalinghaus Foundation Repair (#1), Groundworks (#2) and Pro-Seal Systems (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Rialto?
Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Rialto. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Rialto foundation repair companies have?
The median Google rating among 84 rated foundation repair companies in Rialto is 5.0★, with a median of 14 reviews. Dalinghaus Foundation Repair has the most, 733 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Rialto count in this ranking?
Yes, if they are within 40 mi of the Rialto city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Rialto
- October 2026: CR Scores recalculated for 84 foundation repair companies serving Rialto.
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