20 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Spring Valley Lake: American Decking and Waterproofing Company, CR Score 58/100; 4.9★ from 100 Google reviews.
Best for emergencies (open 24/7): Double Eagle Roofing & Waterproofing, posts 24/7 hours; ranked #7 of 20.
Most-reviewed: Groundworks, 135 Google reviews at 4.9★, the most of 20 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Spring Valley Lake foundation repair companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 13 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 20 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | American Decking and Waterproofing Company | 58 | 4.9★ (100) | Glendale, 26 mi away | — | Overall |
| 2 | Groundworks | 54 | 4.9★ (135) | Ontario, 37 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Kaliber Roofing Inc | 52 | 4.8★ (82) | Montclair, 39 mi away | Sat · Sun · Evenings | — |
| 4 | J P Roofing | 52 | 4.9★ (100) | Chino, 37 mi away | Sat | — |
| 5 | Reliance Roofing Inc. | 50 | 4.8★ (43) | Rancho Cucamonga, 33 mi away | Sat | — |
| 6 | Handyman Jovani & Air conditioner repairs | 50 | 4.9★ (56) | Adelanto, 31 mi away | Evenings | — |
| 7 | Double Eagle Roofing & Waterproofing | 50 | 5.0★ (3) | Riverside, 34 mi away | 24/7 | Emergencies |
| 8 | Aal's Roofing | 49 | 4.2★ (5) | Hesperia, 5 mi away | Sat · Evenings | — |
| 9 | ABC Construction | 49 | 5.0★ (16) | Burbank, 26 mi away | Sat | — |
| 10 | Dreyfuss Grading | 49 | 4.6★ (9) | Camp Pendleton South, 37 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 in Spring Valley Lake
Based in Glendale, 26 mi away
Ranked #1 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Waterproofing service”.
Based in Ontario, 37 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 135 Google reviews, the most in Spring Valley Lake.
Based in Montclair, 39 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 82 Google reviews.
Based in Chino, 37 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 100 Google reviews.
Based in Rancho Cucamonga, 33 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 43 Google reviews.
Based in Adelanto, 31 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 56 Google reviews.
Based in Riverside, 34 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based in Hesperia, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based in Burbank, 26 mi away
Ranked #9 because of its Google rating and review volume: 5.0★ from 16 Google reviews.
Based in Camp Pendleton South, 37 mi away
Ranked #10 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
Based in Rancho Cucamonga, 30 mi away
Ranked #11 because of its Google rating and review volume: 4.6★ from 18 Google reviews.
Based in Upland, 35 mi away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Concrete contractor”.
Based in Riverside, 34 mi away
Ranked #13 because of its Google rating and trade focus: 3.9★ from 27 Google reviews, listed on Google as “Roofing contractor”.
Based in Riverside, 40 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 18 Google reviews.
Based in Rancho Cucamonga, 31 mi away
Ranked #15 because of its Google rating and review volume: 5.0★ from 17 Google reviews.
Based in Rancho Cucamonga, 35 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Siding contractor”.
Based in Rancho Cucamonga, 33 mi away
Ranked #17 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based in Colton, 33 mi away
Ranked #18 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Roofing contractor”.
Based in Corona, 37 mi away
Ranked #19 because of its Google rating and review volume: 4.6★ from 18 Google reviews.
Based in Avocado Heights, 31 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
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 |
|---|---|---|
| APEC Foundation Retrofit | 30 mi | |
| CALIFORNIA ROOF COATINGS | 4.0★ (2) | 39 mi |
| CalPro Paving | 5.0★ (1) | 29 mi |
| Champion Weatherproofing Corp | 39 mi | |
| Dan’s Roofing Company Riverside | 5.0★ (2) | 39 mi |
| Earth Development | 5.0★ (1) | 15 mi |
| Ford Foundation Drilling | 37 mi | |
| Foundation Construction | 5.0★ (1) | 38 mi |
| I.E. Epoxy Design | 22 mi | |
| IWSH FOUNDATION | 36 mi | |
| Jakes Concrete Work San Bernardino Contractor | 33 mi | |
| Journey Builders Inc Roofing Contractors | 27 mi | |
| JRW Foundation Systems | 31 mi | |
| L|A Waterproofing & Coating | 37 mi | |
| Magic Hands Roofing Inc. | 28 mi | |
| MG Flooring Co | 37 mi | |
| Professional Foundation Repair | 5.0★ (2) | 39 mi |
| Roofing services | 35 mi | |
| Silver Leaf Construction Inc. | 5.0★ (1) | 37 mi |
| Slater Waterproofing Inc | 3.0★ (2) | 37 mi |
National price ranges in USD, not adjusted for Spring Valley Lake. 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 20 Spring Valley Lake 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 Spring Valley Lake 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 |