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Larimer County - 970-493-8733 • Boulder County 303-541-9595

We are Professional, Affordable, and Honest

Diamond Tree Company of Northern Colorado and based in Fort Collins is a family operated tree service business owned by Brett and Angie Thomas. We have served the front range of Colorado from Boulder to Fort Collins including Loveland, Longmont, Windsor and Greeley for over 15 years.  Brett is an ISA Certified Arborist and rest assured you get his expertise on every job.  From trimming trees to the removal of large and dangerous trees and everything tree related in between, you can depend on Diamond Tree Company to be the "jewel" of the tree service industry in town.

  • Fully Licensed & Insured
  • Free Estimates
  • Residential & Commercial
  • Emergency Service
  • Discounts Available
  • Credit Cards

Our goal is to provide “diamond quality” services at prices that won't break the bank.  We are known locally for our quality work and professional standards and we always leave the job site cleaner than we found it!  Our services include:

  • Tree Trimming & Pruning
  • Tree Removal (All size trees)
  • Storm Damage Clean-up
  • Stump Grinding
  • View Trimming
  • Wood Chipping
  • Cabling & Bracing
  • Hedge Trimming & Removal
  • Hauling Service
  • Event Lighting


We utilize the latest tree care tools and equipment to professionally handle every job. Some of our specialized equipment includes:

  • 70 ft Bucket Truck
  • Dump Truck With Chip Boxes
  • Large Capacity Wood Chippers
  • Stump Grinders


We have a skilled corps of tree cutters and climbers that safely rope branches and logs down to the ground when necessary.  We always respect your wildlife, pets and your property.  We have even rescued a cat or two during our work.  All the brush and wood products are chipped and hauled away to be completely recycled.  Our crews take great pride in our work and the clean up job is just one of the reasons are customers give us superb references(link) to their friends with tree service needs.  We have earned an excellent reputation and stand behind our work 100%.    With our friendly attitude and years of experience, you can be confident that we will do an excellent job for you. 

Brett answers all his calls personally so you get to talk to an expert right away. Sometimes, however, the noise of the equipment or the fact that he is 40 ft above the ground make it a tad difficult to get to every call when it rings.  Please leave a message and he'll get back to you in no time!  We pride ourselves on awesome customer service.  You will see!

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