60/100CR Score
Ranked #1 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.
Best Excavating Contractors in Costa Mesa, CA (2026)
53 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Costa Mesa: Roto-Rooter Plumbing & Water Cleanup, CR Score 60/100; 4.9★ from 520 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 53.
- 4
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 1,016 Google reviews at 4.8★, the most of 53 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
53 Costa Mesa excavating contractors are ranked here by CR Score, from ten published factors. 18 are open 24/7, 29 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.9★ across 53 rated businesses.
Top 10 excavating contractors in Costa Mesa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 60 | 4.9★ (520) | Newport Beach, 3 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 59 | 4.9★ (475) | Huntington Beach, 4 mi away | 24/7 | Emergencies |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 59 | 4.8★ (438) | Santa Ana, 4 mi away | 24/7 | — |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 58 | 4.8★ (1,016) | Aliso Viejo, 12 mi away | 24/7 | Most reviews |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 58 | 4.9★ (504) | Orange, 10 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 57 | 4.9★ (380) | Westminster, 11 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.9★ (436) | Fullerton, 16 mi away | 24/7 | — |
| 8 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.8★ (691) | Long Beach, 17 mi away | 24/7 | — |
| 9 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.8★ (450) | Anaheim, 15 mi away | 24/7 | — |
| 10 | Plumb Rite Plumbing | 56 | 4.9★ (95) | Huntington Beach, 6 mi away | 24/7 | — |
The 53 best excavating contractors in Costa Mesa, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Huntington Beach, 4 mi away
59/100CR ScoreRanked #2 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 Santa Ana, 4 mi away
59/100CR ScoreRanked #3 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 Aliso Viejo, 12 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 1,016 Google reviews, the most in Costa Mesa.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orange, 10 mi away
58/100CR ScoreRanked #5 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 Westminster, 11 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 380 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fullerton, 16 mi away
56/100CR ScoreRanked #7 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 Long Beach, 17 mi away
56/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 691 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anaheim, 15 mi away
56/100CR ScoreRanked #9 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 Huntington Beach, 6 mi away
56/100CR ScoreRanked #10 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 Rowland Heights, 25 mi away
54/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 375 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hemet, 20 mi away
54/100CR ScoreRanked #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 Chino Hills, 8 mi away
54/100CR ScoreRanked #13 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 Fountain Valley, 5 mi away
53/100CR ScoreRanked #14 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 Garden Grove, 9 mi away
52/100CR ScoreRanked #15 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.
#16 R3 Contractors
Based in Anaheim, 15 mi away
52/100CR ScoreRanked #16 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 Costa Mesa
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Demolition contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Irvine, 10 mi away
52/100CR ScoreRanked #18 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 Irvine, 9 mi away
52/100CR ScoreRanked #19 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.
#20 Loaders Inc
Based in Anaheim, 2 mi away
51/100CR ScoreRanked #20 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 Cypress, 7 mi away
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Griffin, 6 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anaheim, 15 mi away
51/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 18 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anaheim, 15 mi away
51/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Forest, 14 mi away
50/100CR ScoreRanked #25 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.
Excavating contractors 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 53 ranked excavating contractors here; the rest are on their profiles.
Also serving Costa Mesa
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.
How we ranked Costa Mesa excavating contractors
We scored 53 Costa Mesa 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 Costa Mesa 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 |
Excavating contractors in Costa Mesa: frequently asked questions
Who is the best excavating contractor in Costa Mesa?
By CR Score, the highest-ranked excavating contractor in Costa Mesa, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 60/100. It has 4.9★ from 520 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 53 excavating contractors on ten factors, last updated November 3, 2026.
How many excavating contractors are there in Costa Mesa?
ContractorsRanked ranks 53 excavating contractors serving Costa Mesa, CA. 2 of them are based in Costa Mesa; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which excavating contractors in Costa Mesa are open 24/7?
18 ranked excavating contractors in Costa Mesa post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which excavating contractors in Costa Mesa work on weekends?
29 of 53 ranked excavating contractors post Saturday hours and 25 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Costa Mesa excavating contractors have?
The median Google rating among 53 rated excavating contractors in Costa Mesa is 4.9★, with a median of 9 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 1,016 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank excavating contractors?
Each excavating contractor 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 excavating contractors outside Costa Mesa count in this ranking?
Yes, if they are within 25 mi of the Costa Mesa city center, our service radius for excavating contractors. 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.
Can excavating contractors pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Costa Mesa
- November 2026: CR Scores recalculated for 53 excavating contractors serving Costa Mesa.
- November 2026: 1 duplicate listing merged.
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