Grounded Lawn Landscaping
“He nailed the timeline estimates he gave in advance (for both project start and end), kept us up to date throughout the work, and every person on the crew that worked on the yard was thoughtful and detail-oriented.”
Best Landscaping Companies in Thornton, CO
24 contractors listed · 7 in Thornton · 2 open 24/7 · 12 open weekends · 18 rated 4.5+
Data verified October 27, 2026
GKC Denver Landscaping Contractors
“They regraded the entire yard, put in better drainage, added a paver patio (2 levels), outdoor kitchen, fire pit, new lawn, sprinklers & drip system, and planting.”
Star Landscaping and Construction LLC
“We were very pleased with our fencing project - they came up with a nice "sandwich" design for the fence and came up with an elegant way to deal with the slope of our property.”
North Metro Lawn Care
“I used North Metro for my weekly service last year after having another service scalp my lawn and destroy landscape decorations and I was so grateful I found them.”
A1 Painters and Services
“They provide the best painting services in Thornton.”
COL Landscaping
“They were very detail oriented and their craftsmanship was magnificent.”
Listed for homeowners in and around Thornton, CO, these 24 contractors build and maintain landscapes. Services, hours and any free estimate offer are taken from each company's own website; the star ratings and quoted lines come from public reviews.
Area overview: Thornton, CO
Of the 24 contractors we list here, 7 are in Thornton itself and 17 come from towns including Denver (5, 11 mi), Broomfield (2, 6 mi) and Longmont (2, 19 mi). 22 of the contractors on this page have a rating, from 4.3 to 5.0 across 2,203 reviews; 12 have 50 or more reviews and 18 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (89%), quality (88%) and responsiveness (84%). 2 are open around the clock; 12 are open on Saturdays and 3 on Sundays. The services the contractors on this page list most often on their websites are landscaping (3), concrete (2), hardscaping (2), pressure washing (2) and tree trimming (2). 5 show a license on their websites and 8 have a BBB rating of A or A+. Domain records put 10 websites of the contractors on this page at ten or more years old; the oldest dates from 1997. 2 offer emergency call-outs; 1 offers financing or payment plans; 13 give free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Do any of these landscapers quote for free?
Free estimates are advertised by 13 of the 24 contractors listed here. On a mulch top-up or a small planting job that is a short visit and a number. On a build with grading and plant selection, expect the no-charge part to end at the walk-through, with the drawing and plant list priced separately.
Dreamscapes and Design LLC
All Around Soil & Stone Inc.
“They don't do split loads, for good reason, but they do a discount on a second delivery and will hold it until you're ready for your project so planning ahead works well.”
Horizon Property Services
“They were very professional, did a great job of removing and replacing the soil, helped me choose the correct flowers for Colorado, and created a very pretty area with flowers and grass which are all still healthy today!”
A Cut Above Landscape
“It was very easy to schedule, reschedule, and communicate with the operations teams, and we received emails and texts reminding us about our service date and letting us know when the team would arrive at our house.”
American Stumpbusters
“Cleared out a bunch of old stumps, dying trees, piles of debris, cleaned up all of the garden beds that he worked on, and maneuvered around power/internet lines professionally.”
JR Landscapes LLC
“Gustavo has always insured that work being performed is completely done right, and that anything I questioned or needed were corrected in a timely manner.”
The Fisherman LLC
“Called Victor on a Saturday, he was here on Monday, exactly when he said he would be here, and once I decided to move forward with the job, it was done on schedule and within a couple of weeks, despite Denver weather.”
Elite Landscape Pro
“Mark communicates very well, always shows up when he said he would and the same goes for his crews (concrete, sprinkler, sod, etc) - all of these guys were on time, friendly and did great work.”
Sunset Hill Window Cleaning
“We've been in our house for 5 plus years and for 5 years the underground downspout in front of our house has been jammed, leading to ice patches on the walk to our front door.”
Olson Outdoors
“The billing department contacts you directly if there is a problem and are quick to realize when a computer glitch has taken place or if the problem is on their end.”
Colorado Lawnscaping
“Colorado Lawnscaping has blown out our sprinklers for the last couple of years and they've been doing my families sprinklers and landscaping for years.”
Glacier View Landscape and Design
“Having no idea what would grow or provide the privacy I wanted, I was hoping Glacier View would be able to provide me with a beautiful custom backyard.”
Highlands Landscaping & Fencing
“We are still waiting on having the yard completely finished (sod and planting to be done in the Spring) but so far we have been very happy with Highlands Landscaping.”
Boulder Lawns
“Because of the quality of their current work (sprinkler system installation and maintenance, lawn mowing and maintenance, snow removal), I have just contracted with them for a major landscaping project.”
Westside Grounds
“Easy to work with when I initially reached out for a quote on their services, fast response times and very flexible in their options so we could find what fit our needs.”
Standard Services Group
“Mike was very responsive leading up to the yard clean up and landscaping day letting us know when they were planning on coming by and keeping us updated on material etc.”
A&R Tree and Landscaping LLC
“They showed up on time, they worked really fast, showed a great deal of expertise, with great cleanup, leaving our yard looking better than it did when they showed up.”
Phil's Yard Clean-Up LLC
“Sean and his crew arrived on time, did the work exactly the way I requested, and completed the work efficiently within the time estimate provided before the work began.”
Why these companies made our list
What customers say about contractors in Thornton
- “Great service. Very responsive, hard working and on time - I had all my mulch replaced in no time.” — customer of Star Landscaping and Construction LLC
- “Nick was always available for any questions, and was always willing to go above and beyond.” — customer of Grounded Lawn Landscaping
- “GKC did a fabulous job I would highly recommend them for any of your landscaping needs.” — customer of GKC Denver Landscaping Contractors
- “They were friendly, honest and very professional. They made sure everything was 100% complete.” — customer of Grounded Lawn Landscaping
- “Dave and his crew did an excellent job landscaping my front yard.” — customer of GKC Denver Landscaping Contractors
Excerpts from public reviews of the contractors listed on this page.
Is this page useful? Yes
No
Is there anything wrong with this page?
