Colorado Demolition & Deconstruction
“Amazing work, very clean, very dependable.”
Best Excavation Services near Thornton, CO
1 of these contractors is based in Thornton; the others serve Thornton from towns including Denver (11 mi), Commerce City (7 mi) and Arvada (13 mi).
4 open 24/7 · 8 open weekends · 16 rated 4.5+ · 4 show a license
Data verified October 27, 2026
Go Direct Services
“As a family (with a 6,4,& 2 year old) that was homeless for 402 days and moved to 35 places because of toxic mold, we are extremely nervous when it comes to anything with water.”
Plumb Pros Inc
“They redid the plumbing to the sink, made sure that it would drain better than it was before, and worked with me to get a new fixture installed that would be both cost effective and visually beautiful.”
Payless Rooter
“He went out of his way to help us and provided incredible customer service and an unbeatable price for the service (one third of the cost of other companies).”
Sewer Experts Denver Sewer Line Repair & Replacement
“I would recommend this company to all heathcare facilities and if they can do a repair like this for healthcare they can do any residents or regular commercial repairs with ease.”
Brothers Plumbing
“Prompt on time serviced everything I asked for and didn't try to push anything on me for other work only what I requested I will definitely use again”
Listed for homeowners in and around Thornton, 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: Thornton, CO
The 24 contractors on this page are rated from 4.1 to 5.0 across 7,915 reviews; 5 have 50 or more reviews and 16 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (90%), responsiveness (88%) and quality (87%). The topics that come up most in reviews of the contractors on this page are "price" and "estimates". 4 are open around the clock and 8 are open on weekends. 4 show a license on their websites and 5 have a BBB rating of A or A+. Domain records put 17 websites of the contractors on this page at ten or more years old; the oldest dates from 1999. 4 offer emergency call-outs; 3 offer financing or payment plans; 9 give free estimates; 8 are family- or locally-owned and 3 list coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 23 of the contractors on this page; 19 publish a contact page; 15 list a public email and 2 take bookings online. 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?
23 of the 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.
Ed's Sewer and Water Repair
“That contractor removed the old pipe, laid the new pipe, and then notified us the fix could not be completed and we'd have to pay an additional $10,000 for a lift station in the backyard.”
Hillen's Brick Yard
“Excellent atention”
High Country Excavation
“High Country Excavation has been been timely, professional and followed through with all of their work on my projects and I look forward to working with them for years to come.”
Engineered Demolition Inc.
“No wonder they have worked on some of the most high profile jobs in the United States, including stadiums and the current (at the time of this review) DIA Great Hall project.”
Colorado Excavating
“The access & space limitations for heavy equipment made this a difficult task at best, although the operator managed the tight spaces and always took the necessary precautions.”
Better Plumbing
“I'm so glad I called Better Plumber - everything is working great now!”
Canyon Creek Landscape
“They came in exactly on budget with the estimate they provided and were up front with what needed to be done in order to get the job done the right way.”
Valiant Contractors
“They did a great job in protecting our facility from the construction dust and debris since they were sanding and grinding the existing color off of the concrete.”
Alpine Demolition Inc.
“Their operator was top notch, one of the best heavy equipment operators I have ever seen.”
Top-Notch Solutions
“He came over the day after we called to provide an estimate, and made us aware of the option to rent asbestos cleaning equipment from him (instead of hiring a cleaning crew) which saved us thousands.”
Merchant Demolition
“Rick Crespin, in particular but all of their employees in general, have provided the best performance of any subcontractors I've used over the years.”
Hydrodig
“Contractor wanted us to dig around live lines, our company said no and contracted Hydrodig, using the high pressure water hose and vacuume, these guys did an outstanding job for us!”
B2 Excavating
“If you're needing a job done give Adam a call and you won't be disappointed!”
H&M Earthworx
“After meeting with contractors there were two ways to solve the issue: remove and replace the driveway in order to lay a new water line, or without removing the driveway, pull a new water line through the sleeve that held the leaking line.”
Front Range Excavating Inc
“Very polite and helpful.”
TBL Excavating Inc
“There was a car in front of me as they're always is with traffic around here and this guy nearly slammed into me, swerved around me like an insane person and then damn near sideswiped my car to get in front of me which would have easily had me flip o...”
Harold's Excavating Services
“Top notch experts in their fields.”
Hogan Action Services
“I recommend this business to anyone looking for Excavation services!”
Why these companies made our list
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