Organo-Lawn
“Not only did he take time to explain the treatment, but I had just gotten a broom out to sweep up where I had trimmed, and he offered to take care of the debris with his blower once he finished with our treatment.”
Best Arborists & Tree Services in Boulder, CO
24 companies listed · 11 in Boulder · 3 open 24/7 · 12 open weekends · all 24 rated 4.5+
Data verified October 28, 2026
TLC Tree Expert Inc
“Chris and TLC are the complete package from quick response for job proposals, fair pricing, on time work completion and great cleanup after job completion.”
10 Star Tree Care
“And though Tim did not at all suggest this, I am going to take responsibility for not calling him with my dissatisfaction before posting a poor review.”
Small Axe Tree Care
“They know their trees: I had an Ash that was winter bare, and they not only knew what it was, they knew that it had been infected by the Emerald Ash Borer.”
Blue River Forestry & Tree Care
“This team is so kind, extremely knowledgeable, prompt and clear in their communication, skilled AF, professional, and thoughtful about every aspect of their work.”
Mountain Tree Care
“When I moved back here (east of Boulder) I decided to do some more aggressive management of some trees to make way for solar and also a new front deck.”
Listed for homeowners in and around Boulder, CO, these 24 companies do arborist work. Credentials, report types and consultation hours are as each one publishes them on its own site; the ratings and quoted comments are pulled from public reviews.
Area overview: Boulder, CO
11 of the 24 companies we list are based in Boulder; the other 13 serve Boulder from towns including Broomfield (12 mi), Westminster (14 mi) and Lafayette (10 mi). The companies on this page are rated from 4.6 to 5.0 across 2,104 reviews; 15 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (91%) and responsiveness (84%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "cleanliness". 3 are open around the clock; 11 are open on Saturdays and 6 on Sundays. The services the companies on this page list most often on their websites are tree removal (6), plant health care (3), stump grinding (3), tree pruning (3) and cabling & bracing (2). 7 show a license on their websites; 8 list staff certifications (ISA) and 4 have a BBB rating of A or A+. 15 have ten or more years of experience, the longest 32 years. 3 offer emergency call-outs; 16 give free estimates and 8 are family- or locally-owned. 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.
Why do nearby towns show up on this page?
11 of the 24 listings give an address inside Boulder, and the rest come from other towns within 25 mi. Consultants cover a wide territory because the work is knowledge rather than equipment, so a drive of an hour is unremarkable.
Heartwood Tree Care
“I've had Heartwood Tree Care come out twice in 2023 to shape numerous trees on my property and they were extremely professional, on time and dependable.”
Ideal Tree
“They originally won my business when they were doing work on someone else's house on my block and pointed out that a large branch was at risk of falling on my car.”
Front Range Forestry Services
“I called Tom on a Friday evening, he came to my house Saturday, surveyed the work I needed done, and quoted me an extremely fair price, and had my tree cut down on Monday.”
Down to Earth Tree Service and Science
“We have used Charles several times for various large and small projects and we have been thrilled with his knowledge, expertise, professionalism and commitment.”
Boulder Tree Service
“We used Boulder Tree Service on our property in Nederland to chip a large amount of slash and they did so professionally, at a reasonable price and were very easy to work with and communicate with.”
Geesaman Tree Company LLC
“Dustin has all the knowledge and experience to help not only make your space visually better and safe, but to also ensure that the work he does is carried out in the best way possible for your trees.”
All American Tree Plus
“Carl came out the very next day, after I first called him, and provided us with an extremely reasonable estimate for trimming several of our trees after providing his professional opinion on what should be done.”
Bullard Tree and Garden
“Everything from getting a quote to having them come in to actually do the replacement was super convenient, and everyone I interacted with from Bullard was very polite and professional.”
Flatirons Stump Removal
“They did a fantastic job of removing both stumps as I wouldn't be able to tell if the stumps had ever been there if I didn't still have landscaping rocks encircled in the area.”
Neighborhood Arbor Care
“We appreciate the fact that they would rather save a tree for as long as possible and when it comes time, keeping our trees healthy - if they can't do it (like treating for bore-ash beetles) they recommend experts that can.”
Altitude Arborist
“They provided an estimate within 48 hours of my initial request, arrived on time on the day of service, cleaned up all of the branches when they left, and were incredibly friendly throughout the whole process.”
Roots Up Tree Company
“After I listened to Aidan's concern about my potential tree removal remorse and an alternative plan for major trim, I decided to change the plan and save a tree and retain shade and privacy on the south west corner of my backyard.”
Spartan Tree Care
“He and his staff got back to me quickly, was very knowledgeable about what was wrong with our 30-year-old spruces, and offered a reasonable price compared to other arborists for taking our trees down.”
Arbortec Tree Service
“Arbortec came to our house and analyzed the situation, agreed that what we needed done should be done, and also pointed out that another of our large Aspen trees was, unfortunately, 80% dead as well.”
Parker Tree Service
“We've used Jamin twice now in the past 5 years and he does excellent work with detailed explanation of what he's looking at for the health of our trees!”
Summit Tree Care LLC
“Dan and his crew removed a large silver maple from our backyard today (and ground the stump) and I am very impressed with the quality and value of their work.”
Ice Tree Service LLC
“We unfortunately had to use them multiple times as we had a few old and large spruces die of some sort of tree disease, and then another one die from pine beetles.”
Cutting Edge Tree Care (Lafayette
“Great customer service, were able to respond to a downed tree on our property very quickly, and explained exactly what would have to be done to us (and then did it!”
Why these companies made our list
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