Top 50 of 1,161 water damage restoration companies, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 water damage restoration companies on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency water damage restoration in Los Serranos: Stanley Steemer, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Stanley Steemer | 66 | 4.8★ (2,345) | Anaheim, 10 mi away | 24/7 |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 66 | 4.8★ (1,330) | Ontario, 8 mi away | 24/7 |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 65 | 4.9★ (434) | Diamond Bar, 6 mi away | 24/7 |
| 4 | Stanley Steemer | 65 | 4.9★ (2,500) | Colton, 24 mi away | 24/7 |
| 5 | Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services | 64 | 4.9★ (710) | Riverside, 14 mi away | 24/7 |
| 6 | SERVPRO of Diamond Bar/South Pomona | 64 | 5.0★ (271) | Diamond Bar, 6 mi away | 24/7 |
| 7 | SERVPRO of Chino/Chino Hills | 63 | 4.7★ (147) | Chino, 2 mi away | 24/7 |
| 8 | Restorerz Emergency Services | 63 | 5.0★ (178) | Placentia, 10 mi away | 24/7 |
| 9 | Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services | 63 | 5.0★ (213) | Rancho Cucamonga, 13 mi away | 24/7 |
| 10 | SERVPRO of Fountain Valley | 63 | 5.0★ (578) | Fountain Valley, 23 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
Open 24/7 · 4.8 from 2,345 Google reviews
#2Roto-Rooter Plumbing & Water Cleanup
Open 24/7 · 4.8 from 1,330 Google reviews
#3Roto-Rooter Plumbing & Water Cleanup
Open 24/7 · 4.9 from 434 Google reviews
Open 24/7 · 4.9 from 2,500 Google reviews
#5Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services
Open 24/7 · 4.9 from 710 Google reviews
#6SERVPRO of Diamond Bar/South Pomona
Open 24/7 · 5.0 from 271 Google reviews
#7SERVPRO of Chino/Chino Hills
Open 24/7 · 4.7 from 147 Google reviews
#8Restorerz Emergency Services
Open 24/7 · 5.0 from 178 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 1,161 is on the water damage restoration companies page.
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 because of its Google rating and trade focus: 4.8★ from 2,345 Google reviews, listed on Google as “Water damage restoration service”.
Based in Ontario, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,330 Google reviews, listed on Google as “Water damage restoration service”.
Based in Diamond Bar, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 434 Google reviews, listed on Google as “Water damage restoration service”.
Based in Colton, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,500 Google reviews, listed on Google as “Water damage restoration service”.
Based in Riverside, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 710 Google reviews, listed on Google as “Water damage restoration service”.
Based in Diamond Bar, 6 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “Water damage restoration service”.
Based in Chino, 2 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 147 Google reviews, listed on Google as “Water damage restoration service”.
Based in Placentia, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 178 Google reviews, listed on Google as “Water damage restoration service”.
Based in Rancho Cucamonga, 13 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 213 Google reviews, listed on Google as “Water damage restoration service”.
Based in Fountain Valley, 23 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 578 Google reviews, listed on Google as “Water damage restoration service”.
Based in Anaheim, 12 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 192 Google reviews, listed on Google as “Water damage restoration service”.
Based in Brea, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 213 Google reviews, listed on Google as “Water damage restoration service”.
Based in Orange, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 191 Google reviews, listed on Google as “Water damage restoration service”.
Based in Santa Ana, 22 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 438 Google reviews, listed on Google as “Water damage restoration service”.
Based in Walnut, 9 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Water damage restoration service”.
Based in Corona, 9 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “Water damage restoration service”.
Based in Riverside, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “Water damage restoration service”.
Based in Westminster, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 380 Google reviews, listed on Google as “Water damage restoration service”.
Based in Glendora, 13 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “Water damage restoration service”.
Based in Corona, 9 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Water damage restoration service”.
Based in Upland, 10 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Water damage restoration service”.
Based in West Covina, 12 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 133 Google reviews, listed on Google as “Water damage restoration service”.
Based in Huntington Beach, 27 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 475 Google reviews, listed on Google as “Water damage restoration service”.
Based in Ontario, 8 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Water damage restoration service”.
Based in Rowland Heights, 10 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Water damage restoration service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 water damage restoration companies are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |