58/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 572 Google reviews, the most in Longmont.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Excavating Contractors in Longmont, CO (2026)
95 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Longmont: Roto-Rooter Plumbing & Water Cleanup, CR Score 58/100; 4.8★ from 572 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): E-Z Excavating, Inc., posts 24/7 hours; ranked #2 of 95.
- 10
Most-reviewed: Front Range Water Heater and Excavation, 564 Google reviews at 4.9★, the most of 95 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
95 Longmont excavating contractors are ranked here by CR Score, from ten published factors. 14 are open 24/7, 37 open Saturdays and 21 open Sundays, based on posted hours. The median Google rating is 4.8★ across 95 rated businesses.
Top 10 excavating contractors in Longmont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 58 | 4.8★ (572) | Boulder, 13 mi away | 24/7 | Overall |
| 2 | E-Z Excavating, Inc. | 58 | 3.9★ (28) | Frederick, 7 mi away | 24/7 | Emergencies |
| 3 | A.P Excavation & Landscaping | 57 | 4.9★ (223) | Berthoud, 7 mi away | Sat | — |
| 4 | Legacy Groundworks | 57 | 5.0★ (15) | Longmont | Sat | — |
| 5 | Aqualine Services Inc | 57 | 5.0★ (9) | Longmont | — | — |
| 6 | Front Range Water Heater And Excavation of Longmont & Boulder | 57 | 5.0★ (13) | Longmont | 24/7 | — |
| 7 | Dirty Paws Excavation | 56 | 5.0★ (9) | Boulder, 13 mi away | 24/7 | — |
| 8 | Dirt dynamics excavating | 56 | 5.0★ (22) | Berthoud, 9 mi away | 24/7 | — |
| 9 | Ray's Backhoe Service, LLC | 56 | 5.0★ (5) | Longmont | — | — |
| 10 | Front Range Water Heater and Excavation | 56 | 4.9★ (564) | Loveland, 15 mi away | — | Most reviews |
The 95 best excavating contractors in Longmont, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Frederick, 7 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 3.9★ from 28 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 7 mi away
57/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 223 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Longmont
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Boulder, 13 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 9 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ 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 Loveland, 15 mi away
56/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 564 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 8 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 12 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 12 mi away
54/100CR ScoreRanked #14 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 Broomfield, 14 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westminster, 21 mi away
54/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 172 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 8 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 26 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Denver, 25 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.2★ from 18 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Erie, 10 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Broomfield, 18 mi away
53/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 66 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 17 mi away
53/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 116 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Firestone, 11 mi away
53/100CR ScoreRanked #22 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 Arvada, 23 mi away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.2★ from 24 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Golden, 23 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 26 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Boulder, 12 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability 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 95 ranked excavating contractors here; the rest are on their profiles.
Also serving Longmont
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.
| Business | Google rating | Distance |
|---|---|---|
| 5370 Excavating, LLC | 5.0★ (1) | In Longmont |
| C4 Excavating | 5.0★ (1) | In Longmont |
| CED Longmont | 4.5★ (25) | In Longmont |
| Cordova CAN Construction | 5.0★ (3) | In Longmont |
| Cowboy's Construction LLC | 5.0★ (4) | In Longmont |
| Frontier Construction | 5.0★ (1) | In Longmont |
| Highgrove Repair Solutions | In Longmont | |
| Hirschfeld Backhoe & Pipeline, Inc. | 5.0★ (3) | In Longmont |
| JROC Colorado Construction | 5.0★ (16) | In Longmont |
| L4 Construction | 5.0★ (2) | In Longmont |
| Legacy Brothers Construction, LLC. | In Longmont | |
| Longmont Shower Co. | 5.0★ (1) | In Longmont |
| Magnolia Excavating | 5.0★ (1) | In Longmont |
| NorthWestern Railroad Construction | 5.0★ (2) | In Longmont |
| Perez Crew LLC | 1.0★ (1) | In Longmont |
| RichLynn Construction and Remodeling | 5.0★ (6) | In Longmont |
| Sky Castle Garage Door Repair Longmont | 5.0★ (59) | In Longmont |
| St. Vrain Construction | 5.0★ (3) | In Longmont |
| Westec Construction Management Company | 4.0★ (6) | In Longmont |
| WT Excavating LLC | 5.0★ (2) | In Longmont |
How we ranked Longmont excavating contractors
We scored 95 Longmont 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 Longmont 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 Longmont: frequently asked questions
Who is the best excavating contractor in Longmont?
By CR Score, the highest-ranked excavating contractor in Longmont, CO is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 58/100. It has 4.8★ from 572 Google reviews. It is open 24/7. E-Z Excavating, Inc. (#2) and A.P Excavation & Landscaping (#3) follow. We ranked 95 excavating contractors on ten factors, last updated November 3, 2026.
How many excavating contractors are there in Longmont?
ContractorsRanked ranks 95 excavating contractors serving Longmont, CO. 6 of them are based in Longmont; 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 Longmont are open 24/7?
14 ranked excavating contractors in Longmont post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), E-Z Excavating, Inc. (#2) and Front Range Water Heater And Excavation of Longmont & Boulder (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which excavating contractors in Longmont work on weekends?
37 of 95 ranked excavating contractors post Saturday hours and 21 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), E-Z Excavating, Inc. (#2) and A.P Excavation & Landscaping (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Longmont excavating contractors have?
The median Google rating among 95 rated excavating contractors in Longmont is 4.8★, with a median of 11 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 572 reviews, and ranks #1. 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 Longmont count in this ranking?
Yes, if they are within 25 mi of the Longmont 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 Longmont
- November 2026: CR Scores recalculated for 95 excavating contractors serving Longmont.
- November 2026: 1 duplicate listing merged.
More excavating contractors and Longmont pages
Excavating contractors near Longmont
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