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Onyx Boulders from Colorado Materials 071725
Colorado Materials Building Materials & Supply

For any additional info please feel free to contact us. Colorado Materials Inc. is located at 1541 Boston Ave Longmont, CO 80501. We serve commercial and industrial customers. We are licensed, insured, and bonded. We provide quality service and stand behind our work. We have been in business since 1999. Contact us today for more information.

Website: coloradomaterialsinc.com

Phone: (303) 682-2314

Closed now

  • Fri 7:00 AM - 5:00 PM

1541 Boston Ave Longmont, CO 80501 ·1385.86 mi

Is this your business? Verify your listing

Reviews

yelp
3.0 28 reviews
5 star
12 4 star
4 3 star
0 2 star
2 1 star
10
Marco M. 03/16/14

Greatly locally owed company, truly know what customer service is, which is rare. On a day they happen to not technically be open where more than helpful on the phone, and even had us come in to...

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Charles T. 07/18/25

Purchased two high-end Onyx Boulders from Colorado Materials. Couldn't find them anywhere else after checking Pioneer and other local landscape material yards. Since I'm a rock collector too, I...

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Aaron T. 09/25/25

Colorado Materials has a great selection, good prices and friendly service. This is the exactly the kind of family operated local business that I love to support.

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High Country B. 05/25/25

The men working the front counter are rude and act entitled. The drivers and contractors that deliver have been great.

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Michelle T. 10/07/25

We've been going to Colorado Materials for years for our landscaping business, Painted Plains, and have had nothing but great experiences! Everyone there is so friendly and helpful, and we are...

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