51 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rancho Santa Margarita: Roto-Rooter Plumbing & Water Cleanup, CR Score 59/100; 4.8★ from 1,016 Google reviews; open 24/7.
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 51.
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 936 Google reviews at 4.8★, the most of 51 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
51 Rancho Santa Margarita excavating contractors are ranked here by CR Score, from ten published factors. 17 are open 24/7, 32 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.9★ across 51 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 59 | 4.8★ (1,016) | Aliso Viejo, 8 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 57 | 4.8★ (936) | Corona, 17 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 57 | 4.9★ (520) | Newport Beach, 16 mi away | 24/7 | — |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.9★ (504) | Orange, 19 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.8★ (438) | Santa Ana, 17 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 55 | 4.9★ (475) | Huntington Beach, 22 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 55 | 4.8★ (450) | Anaheim, 21 mi away | 24/7 | — |
| 8 | Roto-Rooter Plumbing & Water Cleanup | 54 | 4.9★ (436) | Fullerton, 25 mi away | 24/7 | — |
| 9 | Roto-Rooter Plumbing & Water Cleanup | 54 | 4.8★ (495) | Riverside, 24 mi away | 24/7 | — |
| 10 | Aztec Excavation Inc. & Septic | 53 | 4.8★ (5) | Murrieta, 21 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Rancho Santa Margarita
Based in Aliso Viejo, 8 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,016 Google reviews, the most in Rancho Santa Margarita.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corona, 17 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 936 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newport Beach, 16 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 520 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orange, 19 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 504 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Ana, 17 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 438 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huntington Beach, 22 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 475 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anaheim, 21 mi away
Ranked #7 because of its Google rating and review volume: 4.8★ from 450 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fullerton, 25 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 436 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Riverside, 24 mi away
Ranked #9 because of its Google rating and review volume: 4.8★ from 495 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Murrieta, 21 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chino Hills, 11 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 36 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Riverside, 19 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Irvine, 8 mi away
Ranked #13 because of its Google rating and trade focus: 2.6★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Good Hope, 19 mi away
Ranked #14 because of its Google rating and review volume: 4.7★ from 97 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huntington Beach, 23 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 95 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corona, 17 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Irvine, 10 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Elsinore, 12 mi away
Ranked #18 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fountain Valley, 13 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 17 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wildomar, 19 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anaheim, 23 mi away
Ranked #21 because of its Google rating and trade focus: 3.8★ from 13 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anaheim, 10 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aliso Viejo, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Forest, 19 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Garden Grove, 21 mi away
Ranked #25 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#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 51 ranked excavating contractors here; the rest are on their profiles.
20 more excavating contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
We scored 51 Rancho Santa Margarita excavating contractors 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 November 3, 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 Rancho Santa Margarita 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 |