Nixcavating
“They are attentive, fair, thorough, honest, and they always make sure that I am 100% satisfied before they finish.”
Best Excavation Services in Longmont, CO
24 contractors listed · 6 in Longmont · 3 open 24/7 · 9 open weekends · 20 rated 4.5+
Data verified October 27, 2026
Flores Landviews
“I own a few rental properties and Flores Landviews helps fill in the gaps where I need help from lawn and sprinkler installation and care, planting new beds, yard maintenance, blowing out sprinkler systems, and water feature maintenance.”
NG Companies
“Extremely efficient and professional company, as a former employee of more than four years I can say that they are truly a stand up team focused on safety, success and providing the greatest value possible for their customers.”
CAP Excavating and Demolition
“Turns out it was blocked all the way to the street and after living in the house for a couple days the plumbing was backing up into the house.”
WT Excavating LLC
“I would recommend this company for any of your civil construction work, or project management needs.”
NRE Excavating Inc.
Listed for homeowners in and around Longmont, CO, these 24 contractors dig, grade and demolish. What each one says about machines, hauling and site work comes from its own website; the ratings and comments on this page are from public reviews.
Area overview: Longmont, CO
6 of the 24 contractors we list are based in Longmont; the other 18 serve Longmont from towns including Loveland (17 mi), Berthoud (10 mi) and Boulder (13 mi). 23 of the contractors on this page have a rating, from 3.0 to 5.0 across 774 reviews; 2 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise responsiveness (91%), professionalism (88%) and quality (79%). The topics that come up most in reviews of the contractors on this page are "price", "communication" and "efficient". 3 are open around the clock; 8 are open on Saturdays and 5 on Sundays. 4 show a license on their websites and 3 have a BBB rating of A or A+. Domain records put 12 websites of the contractors on this page at ten or more years old; the oldest dates from 1999. 4 offer emergency call-outs; 6 give free estimates; 7 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
What do these contractors show on their sites?
All 24 excavation listings here point to a website. The useful pages are the equipment list and project photos: machine sizes tell you what will fit through your gate, and pictures of finished grading tell you more than a services page ever will.
Jones Excavating & Plumbing
“I have worked with this team for many years every project we have them do is great Josh is able to make timely deadlines and come in on his budget numbers we have really enjoyed working with them and are very satisfied with pricing and exceptional wo...”
Front Range Water Heater and Excavation
“Joe came all the way to estes park and was able to come up to a solution with my water heater and w/d that i had been struggling to have help with the past year!”
Blue Tree Resources Excavation & Demolition
“He made sure the site was leveled for proper drainage of rain water, cleaned up the job site by hauling away all the debris and even swept away stray dirt.”
Boonstra Excavation LLC
“Stephen got back to me the same day, went to property to look at all that needed to be done, called me and spent time explaining all that needed repaired and to code & had everything repaired within 48 hours.”
Dirty Paws Excavation
“Aaron also helped us with several landscaping projects that needed his excavator and trailer- he brought in top soil, dug holes for new trees, and excavated out some old tree stumps.”
Colorado Demolition & Deconstruction
“Best demolition company ever!!!!!!!!!!!!!!!!”
Concrete & Excavating Inc
“This project by far exceeded my expectations, and I'm so proud to be on a corner lot with my gorgeous driveway being the first one to be noticed when pulling onto the street!”
Tundra Septic & Excavating
“From inspections, installation and support, she does her best to keep you and your system in the best operation possible so that you can have confidence in your system.”
Stinson Dirtwork
“Absolutely the best company we could have asked for to work with on a major project putting in a horse riding arena.”
K2 Excavation
“Paul was extremely knowledgeable, thorough, walked us through every step of the process and came up with cost effective solutions to issues we have on our easement.”
Harold's Excavating Services
“Top notch experts in their fields.”
Environmental Works
“The first thing I am able to offer this review is Environmental Works answered the phone while others in Google's top selection did not answer nor has anyone except Environmental Works responded to my text messages.”
Gapter Septic Systems & Excavating
“I'd bet anything there isn't another septic company in this country coming close to the professionalism, expertise, experience and friendliness of this group.”
Dirt Werx by Drew
“Had a small job I've needed done for awhile, saw him working at a neighbors and asked if he had time in his day to move some dirt.”
Mountain Contracting LLC
“Before Matt leaves the job site, he makes sure that it is very clean and finished, and with excavation he cares about the way it will look in years to come, with replanting the grass and making sure the ground will be settled and not going to move or...”
Hyperion Excavating
“Wonderful transformation of our recently purchase home with that had a poor old design, now a great mountain multiple tier no grass no water landscaped show piece in our front yard”
CWS Excavating
“He and his sons were super hardworking and honest, and went above and beyond for us completing the work very competently, arriving exactly when he said they would, finishing the work in the timeline promised, and cleaning up and leaving everything ne...”
Sullivan Septic & Excavating
Why these companies made our list
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