Top 50 of 930 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 plumbers 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 plumbing in Rancho Santa Margarita: Olson Superior Plumbing, 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 | Olson Superior Plumbing | 66 | 4.9★ (2,764) | Lake Forest, 6 mi away | 24/7 |
| 2 | Drain Town Rooter | 65 | 5.0★ (1,231) | Mission Viejo, 5 mi away | 24/7 |
| 3 | Pristine Plumbing Inc | 65 | 4.9★ (1,912) | Irvine, 8 mi away | 24/7 |
| 4 | Orange Coast Plumbing | 64 | 5.0★ (512) | Aliso Viejo, 5 mi away | 24/7 |
| 5 | Swift Water Heater | 64 | 5.0★ (522) | Mission Viejo, 5 mi away | 24/7 |
| 6 | Zoom Drain | 64 | 5.0★ (649) | Irvine, 7 mi away | 24/7 |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (1,016) | Aliso Viejo, 8 mi away | 24/7 |
| 8 | Plumbing Heating & Air Solutions | 63 | 4.9★ (162) | Rancho Santa Margarita | 24/7 |
| 9 | Infinity Plumbing Designs, Inc. | 63 | 4.9★ (984) | Corona, 12 mi away | 24/7 |
| 10 | Patriot Plumbing & Rooter | 62 | 5.0★ (321) | Irvine, 8 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 · 4.9 from 2,764 Google reviews
Open 24/7 · 5.0 from 1,231 Google reviews
Open 24/7 · 4.9 from 1,912 Google reviews
Open 24/7 · 5.0 from 512 Google reviews
Open 24/7 · 5.0 from 522 Google reviews
Open 24/7 · 5.0 from 649 Google reviews
#7Roto-Rooter Plumbing & Water Cleanup
Open 24/7 · 4.8 from 1,016 Google reviews
#8Plumbing Heating & Air Solutions
Open 24/7 · 4.9 from 162 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 930 is on the plumbers 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: 4.9★ from 2,764 Google reviews, listed on Google as “Plumber”.
Based in Mission Viejo, 5 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 1,231 Google reviews, listed on Google as “Plumber”.
Based in Irvine, 8 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,912 Google reviews, listed on Google as “Plumber”.
Based in Aliso Viejo, 5 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 512 Google reviews, listed on Google as “Plumber”.
Based in Mission Viejo, 5 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 522 Google reviews, listed on Google as “Plumber”.
Based in Irvine, 7 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 649 Google reviews, listed on Google as “Plumber”.
Based in Aliso Viejo, 8 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,016 Google reviews, listed on Google as “Plumber”.
Based in Rancho Santa Margarita
Ranked #8 because of its Google rating and trade focus: 4.9★ from 162 Google reviews, listed on Google as “Plumber”.
Based in Corona, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 984 Google reviews, listed on Google as “Plumber”.
Based in Irvine, 8 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 321 Google reviews, listed on Google as “Plumber”.
Based in Anaheim, 20 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 3,896 Google reviews, listed on Google as “Plumber”.
Based in Irvine, 7 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 332 Google reviews, listed on Google as “Plumber”.
Based in Orange, 18 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,715 Google reviews, listed on Google as “Plumber”.
Based in Laguna Hills, 7 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 3,589 Google reviews.
Based in Orange, 19 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 1,980 Google reviews, listed on Google as “Plumber”.
Based in Lake Forest, 4 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Plumber”.
Based in Costa Mesa, 18 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,014 Google reviews, listed on Google as “Plumber”.
Based in Santa Ana, 20 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,243 Google reviews, listed on Google as “Plumber”.
Based in Mission Viejo, 6 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “Plumber”.
Based in Lake Forest, 6 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 131 Google reviews, listed on Google as “Plumber”.
Based in Mission Viejo, 3 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Plumber”.
Based in Dana Point, 8 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 155 Google reviews, listed on Google as “Plumber”.
Based in Newport Beach, 16 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 520 Google reviews, listed on Google as “Plumber”.
Based in Corona, 17 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 936 Google reviews, listed on Google as “Plumber”.
Based in Laguna Hills, 5 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Plumber”.
#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 plumbers 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 |