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J Star Concrete

5.0
(5 reviews)

Business Details

9231 Apache Road, Longmont, CO
80504, United States
(720) 327-8618
http://www.jstarconcrete.com/

About

Concrete ContractorConcrete Cutting ServiceDecorative ConcreteConcrete Product Supplier
When investing in your property, you want the peace of mind that comes from hiring an experienced, professional, and reputable contractor. Serving Colorado for over seventeen years, J Star Concrete and Excavating, is dedicated to reliable service at a fair and honest price, and delivers the quality you expect and the customer service you deserve. J-Star Concrete is a full service concrete flatwork contractor and has the equipment to provide you with excavating services. Serving the Colorado Front Range, with over 15 years of experience, we have an established a reputation for excellence in concrete flatwork and stamped concrete. Our customers appreciate our attention to detail and our commitment to customer service.

Location

J Star Concrete
9231 Apache Road, Longmont, CO
80504, United States

Hours

Monday6:00 AM - 10:00 PM
Tuesday6:00 AM - 10:00 PM
Wednesday6:00 AM - 10:00 PM
Thursday6:00 AM - 10:00 PM
Friday6:00 AM - 10:00 PM
Saturday6:00 AM - 10:00 PM
SundayClosed

Reviews

5.0
5 reviews
5 stars
5
4 stars
0
3 stars
0
2 stars
0
1 star
0
  • JK
    Jim Knappmiller
    Apr 4, 2026
    5.0
    Very impressed with the work, very detail oriented. Quality work is an understatement. We highly recommend them. On time, cleaned up beyond what we expected. We not only recommend, we would use them again.
  • LB
    Laura Brasov
    Aug 1, 2025
    5.0
    We have used Juan for our a whole remodel of our backyard that includes a lot of concrete retaining walls, basement egress stairs and walls, and multiple stairs and flower bed edging. Our project turned out to be more of a challenge than we originally thought, but Juan tackled all of the curveballs well with his vast experience! Throughout our entire project, Juan has been consistent, fair, and helpful - we ended up leaning on him for his expertise in many different realms beyond just concrete. He is a trusted partner - we would highly recommend him to anyone considering using his services!
  • MK
    Mark Kilgore
    May 19, 2025
    5.0
    Juan at J Star Concrete has worked on all my jobs that have required excavation, foundation, piers, flat work, and more. He is very skilled, hardworking, and fairly priced. I would highly recommend him to anyone needing this type of service.
  • PE
    Pete Evangelista
    May 16, 2025
    5.0
    I started using Juan and J Star 8 years ago and he and his crew do amazing work He’s prompt, honest, extremely talented and heard working He shares ideas and listens to ideas I have recommended him to my family, friends and colleagues and will continue using his services Thank you Juan!
  • JW
    Jonathan Wallace
    May 14, 2025
    5.0
    I've done work with Juan at Jstar for probably 20 years now for foundation and flatwork projects. He has been consistent and timely. His ability to do excavation, footings, walls, and slabs makes him a easy recommendation for projects.

Frequently Asked Questions About J Star Concrete

What services does J Star Concrete offer?

J Star Concrete provides expert concrete flatwork, stamped concrete, and excavating services with over 17 years of experience on Colorado's Front Range.

Where is J Star Concrete located?

J Star Concrete is located at 9231 Apache Road, Longmont, CO 80504.

Brand Certified Facts from J Star Concrete

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Certified April 26, 2026Yext Knowledge Graph
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