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Coronado Excavation

Excavating contractor · Denver, CO · reviewed since 2019

How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%78+54Reliability 31%57+17.5Experts Score= 72Not enough data for value, replies to reviews; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.72SCORE
BGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#21 of 41 backhoe servicesPosition by Experts Score among all companies we track in this category. · better than 50%
4.8 ★★★★★ 39 Google reviews · 24 photos
95%five-star reviews
5.00★last 12 monthsAverage stars on reviews from the last 12 months only.
10%1–2★, last 20 reviewsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
49%reviews answered by the owner
Jan 2026latest review

Coronado Excavation at a glance

Google reviewers rate Coronado Excavation 4.8 out of 5 based on 39 reviews, with the owner responding to 49% of them. Customers frequently cite punctuality, clear communication, and competitive pricing for sewer and water line replacements. Many note that crews protected property surfaces and managed permitting efficiently. However, two low-star reviews criticize staff rudeness regarding property damage and raise safety concerns related to a specific incident.

  • Google rating: 4.8 out of 5 from 39 reviews (95% five-star).
  • Reviews on this page: 39 Google reviews (32 with written comments).
  • Owner responses: the business replied to 49% of reviews.
  • Most recent review: January 15, 2026.
  • Service: Backhoe Service serving Denver, Colorado.

Data from Google, last updated November 2, 2026.

Score profile vs other backhoe services

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and satisfaction; weakest: reliability.

Satisfaction78Reliability57Craft & service–Value–Momentum100Replies to reviews–Satisfaction: 78 (median 77)Reliability: 57 (median 76)Momentum: 100 (median 100)
Coronado ExcavationBackhoe Services median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Coronado Excavation: 78/100 on this factor. Category median: 77.B
78
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Coronado Excavation: 57/100 on this factor. Category median: 76.C
57
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 68.–
–
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 83.–
–
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Coronado Excavation: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 26.–
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Bar = this company · dark tick = category median.

Star ratings

39 Google reviews we collected

  • 5 stars3795%
  • 4 stars00%
  • 3 stars00%
  • 2 stars00%
  • 1 star25%

Praise vs complaints

Phrases our text analysis found in 32 written reviews

  • Praise7297%
  • Complaints23%

Topic share

How often each topic comes up in the written reviews

  • Staff & attitude1723%
  • Speed & response1622%
  • Quality & results1318%
  • Price & value1014%
  • Would recommend1014%
  • Communication68%
  • Honesty & trust23%

What customers talk about

We read 32 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “They were timely, professional, and very nice to do business with.”
  • “They were on time, and put all the dirt and grass back very well.”
  • “Coronado did a really great job of replacing our sewer line.”
  • “I got bids from 4 companies, these guys were by far the most affordable.”
  • “I would highly recommend this place to anyone looking for sewer line excavation.”
  • “Nice folks, great communication, and nice neat work.”
  • “Timely, friendly, good communication and transparent on our bid/diagnosis for a major repair to fix a sewer line (excavation involved) problem.”

praise complaint · found by our text analysis, Google review wording unchanged.

Recent reviews

Lisa10 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 9 months ago★★★★★

Coronado did a really great job of replacing our sewer line. They were timely, professional, and very nice to do business with. The yard was left in very good condition--they put plywood down to protect the yard from debris and tracks. So pleased with the job they did. Added bonus, they're a family-owned local business!

marilyn11 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 10 months ago★★★★★

Coronado Excavation did an outstanding job replacing my sewer line. I had two lines feeding into a main sewer line and ALL three lines needed to be completely replaced. Denver does not allow trench-less sewer line repair- so- lots of excavation! The whole process was made easier to deal with because of the…

Reasonable priceExcavation & grading
Carolyn5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★

I really enjoyed working with Coronado as they were so friendly. Their customer service is outstanding. They replaced a portion of my service line. They were on time, and put all the dirt and grass back very well.

RachelLocal Guide · 25 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 years ago★★★★★

We have used Coronado a few times now for a main line repair and follow up camera scoping. They are thorough and communicative.

GrahamLocal Guide · 47 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 years ago★★★★★

Fantastic work, best price on the front range. I got bids from 4 companies, these guys were by far the most affordable.

DouglasLocal Guide · 15 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 years ago★★★★★

Two gentlemen were sent over to try and locate a leak in my yard. They worked very hard and were very kind. I was worried that my yard was going to be a mess; I can hardly tell they were here. I appreciate their mindfulness in what they do.

Photos

Customer reviews

4.8 ★★★★★ 39 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
Lisa B10 reviewsTotal number of Google reviews Lisa has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Coronado did a really great job of replacing our sewer line. They were timely, professional, and very nice to do business with. The yard was left in very good condition--they put plywood down to protect the yard from debris and tracks. So pleased with the job they did. Added bonus, they're a family-owned local business!

marilyn m11 reviewsTotal number of Google reviews marilyn has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Coronado Excavation did an outstanding job replacing my sewer line. I had two lines feeding into a main sewer line and ALL three lines needed to be completely replaced. Denver does not allow trench-less sewer line repair- so- lots of excavation! The whole process was made easier to deal with because of the extremely competent, courteous and pet friendly staff. Iliane and Diana located my lines, presented options, worked-up my bid and were available to answer my questions. Diego and crew removed fence ( for backhoe ) dug trenches, laid new lines and then put everything back together again. Everyone said my dog was cute!

  • Price assessment: Reasonable price
  • Services: Excavation & grading
Carolyn Arman5 reviewsTotal number of Google reviews Carolyn has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I really enjoyed working with Coronado as they were so friendly. Their customer service is outstanding. They replaced a portion of my service line. They were on time, and put all the dirt and grass back very well.

Rachel JohnsonLocal Guide · 25 reviewsTotal number of Google reviews Rachel has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

We have used Coronado a few times now for a main line repair and follow up camera scoping. They are thorough and communicative.

Response from the owner · 2 years ago

Thank you for trusting Coronado Excavation, we really appreciate your business.

Graham GarvinLocal Guide · 47 reviewsTotal number of Google reviews Graham has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Fantastic work, best price on the front range. I got bids from 4 companies, these guys were by far the most affordable.

Douglas SkatesLocal Guide · 15 reviewsTotal number of Google reviews Douglas has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Two gentlemen were sent over to try and locate a leak in my yard. They worked very hard and were very kind. I was worried that my yard was going to be a mess; I can hardly tell they were here. I appreciate their mindfulness in what they do.

Marianna HynsonLocal Guide · 14 reviewsTotal number of Google reviews Marianna has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Very professional crew. Neat (plastic was placed to protect interior). Good clean up of yard (laid plywood to protect grass and easily move dirt back into trench), swept sidewalk and street when work was completed. Good follow-up with me and city. Highly recommend if you need a water main replaced

Gabrielle Saso5 reviewsTotal number of Google reviews Gabrielle has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

The most unprofessional workers I have ever dealt with. They were rude, did not listen when told not to touch outdoor furniture and when confronted about breaking said furniture, they laughed and played dumb. I would not recommend using this company if you want efficiency and professionalism.

Luna McLeaish1 reviewTotal number of Google reviews Luna has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent work and excellent price. It was a pleasure working with Coronado Excavation. Best

kelly mccallisterLocal Guide · 8 reviewsTotal number of Google reviews kelly has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent customer service! Quick to respond, professional, did a great job replacing our waterline.

Response from the owner · 3 years ago

Hello Kelly, we're really grateful and appreciate you taking the time to share your rating with us.

Coronado Excavation on Google Maps →

Business details