Ed's Gutierrez Concrete
“Gutierrez Brothers gave a fast and fair estimate, did the work quickly and professionally, and kept us informed along the way to make sure we were happy.”
Best Concrete Contractors in Longmont, CO
24 companies listed · 8 in Longmont · 7 open weekends · 22 rated 4.5+ · 5 show a license
Data verified October 27, 2026
R R Concrete LLC
“Once they started the work, they did the job in just a couple days and cleaned up after themselves and even went over and above and did some extra that was not on the original bid and we were not charged.”
Tellez Concrete and Design Llc.
“We could not has chosen better or been more pleased with the work, start to finish, We would highly recommend Tellez Concrete and Design LLC for their integrity, promptness and extraordinary finished work.”
Aesthetic Flooring & Hard-Surfaces Inc
“(Disregard negative review as it appears there was a disgruntled person parked in the handicapped spot and that person over-reacted to request to move car.”
Concrete
“Hugo was excellent to work with, and the team from B&M did an excellent job on removal, grading the subsurface, placing rebar/mesh reinforcement, pouring, and surfacing the new slab.”
KMN Concrete
“KMN put in a new set of stairs leading up the front of our house, a two-foot driveway extension, two small patios, and a walkway along the side of the house.”
Listed for homeowners in and around Longmont, CO, these 24 companies pour and repair concrete. What each one says about finishes, sealing and removing an old slab comes from its own website; the ratings and comments on this page come from public reviews.
Area overview: Longmont, CO
8 of the 24 companies we list are based in Longmont; the other 16 serve Longmont from towns including Berthoud (9 mi), Boulder (13 mi) and Loveland (17 mi). The companies on this page are rated from 4.1 to 5.0 across 408 reviews; 1 has 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (93%) and responsiveness (87%). The topics that come up most in reviews of the companies on this page are "price" and "estimates". 6 are open on Saturdays and 2 on Sundays. 5 show a license on their websites. 8 have ten or more years of experience, the longest 46 years. 12 give free estimates and 6 are family- or locally-owned. We have a website on file for 22 of the companies on this page; 20 publish a contact page and 17 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Which companies here quote at no charge?
Free quotes appear in 12 of the 24 listings on this page. Flatwork cannot be priced over the phone anyway. Someone has to see the fall of the ground, the route a mixer truck would take, and whether an old slab has to come out before anything new goes down.
GR Concrete Construction LLP
“My husband is an employee”
Concrete Structures Inc
Bedrock Landscape LLC
“I am so happy with their work, which was done in the time they said it would take, and on top of that they worked well with any Changes that came up and always had smiles that brighten your day (had to mention that because you hardly see that anymore...”
Concrete Lift & Stabilization
“This great father and son team mudjacked the sidewalk by my front porch that had sunk several inches and mudjacked a porch that was cracking and sinking towards the house.”
D&D Concrete
“Our project took about a week to complete and they kept the site clean and were respectful of our home and great with our young kids who couldn't get enough of watching them work.”
Van Matre Construction
“Tim not only provided a quote for that, but caught an even more serious issue while he was at the property that ultimately saved us from ending up with tens of thousands of dollars of unexpected repairs on a new home purchase.”
Front Range Spray Foam
“Our front path had fallen 4 inches - making it a hazard and we even had older friends who had to enter through our garage because they couldn't climb up to our front door!”
Concrete & Excavating Inc
“Which included sprinkler systems, drip-lines, landscaping block retaining walls, seeding and sodding, planting of trees and perennials and few other misc.”
Old West Construction
“The level of quality and service we experienced working with Old West Construction is unmatched in what I've experienced in the past working with other contractors.”
Premier Flooring
“I interviewed several companies and decided to go with premier flooring to epoxy my garage floor, they did a fantastic job at a reasonable price, I would recommend this company for any epoxy flooring needs”
Brothers Masonry & Concrete LLC
“He cleaned up the area better than what it looked liked before he started.”
Pierson Concrete Construction
“Thank you guys for being such quality people 💪 …”
French Concrete
“My concrete job was phenomenal!”
Northern Colorado Concrete Curbing
“Taylor and his group of guys did an amazing job with our new concrete edging.”
LM Legacy Concrete
“Have used Juan and his crew on a number of projects: stamped concrete, repairs, stained concrete… Always great work and service.”
Norris Concrete Contractors
“We purchased a new house and the driveway had a difficult curve to maneuver and it was cracked and broken up in several places.”
Zamora Construction
“Good experience here.”
K&D Concrete Construction
Why these companies made our list
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