Mile High Gutter Cleaning
“He responded promptly to my text inquiry and came as scheduled, completed the job professionally, and hauled away all debris ( I have used another company in the past that left gutter debris on my lawn).”
Best Gutter Cleaning & Repair near Thornton, CO
3 of these companies are based in Thornton; the others serve Thornton from towns including Denver (11 mi), Broomfield (6 mi) and Westminster (7 mi).
5 open 24/7 · 16 open weekends · 22 rated 4.5+ · 4 show a license
Data verified October 27, 2026
IGA Cleaning Services
“Will be calling them back soon for for grout cleaning”
LAD Seamless Gutters LLC
“Use them frequently and will do so in the future.”
Native Roofing and Construction
“I really appreciated how professional and efficient everyone was, I felt like these were real pros and all my questions were answered, couldn't have been easier and I am really happy with the color matching and new consolidated downspout system 🙏”
The Bucket and I
“I've worked with Juan many times over the past 5 years or so and he consistently provides excellent interior and exterior window washing and has also fixed screen doors for us.”
Reliable Roofing and Restoration Inc
“Ryan Blalock and his team were great, they were here when they said they would, did a great job on our roof explained the process for us since we were new at all of it, cleaned up afterwards I would definitely recommend him and his team 😁.”
Listed for homeowners in and around Thornton, CO, these 24 companies clear and repair gutters. Hours, cleaning schedules and the repair work each one takes on are as the company describes them online; the ratings underneath come from public reviews.
Area overview: Thornton, CO
The 24 companies on this page are rated from 4.4 to 5.0 across 4,355 reviews; 19 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (89%), quality (82%) and responsiveness (81%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "estimates". 5 are open around the clock; 16 are open on Saturdays and 8 on Sundays. The services the companies on this page list most often on their websites are gutter cleaning (4), residential roofing (4), commercial roofing (3), pressure washing (3) and screen repair (3). 4 show a license on their websites; 2 list staff certifications (EPA and GAF) and 6 have a BBB rating of A or A+. Domain records put 12 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 5 offer emergency call-outs; 3 offer financing or payment plans; 13 give free estimates; 11 are family- or locally-owned and 2 list coupons or special offers. 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.
How many of the listed companies are in Thornton?
3 of them give an address in the city; the rest cover it from within 20 mi. This is a route-based trade, so companies work a wide circle and batch jobs by neighborhood. Ask which day they are normally in your area, since that is often cheaper than a special trip.
1st Priority Roofing
“From the initial inspection, to the project planning, to coordination with the insurance company, to open communications with the home owner, to project execution, to clean up, and to a final walkthrough.”
Ernie's Roofing
“When heavy March snow put my pergola at risk of collapse, Ernie spent time to research my exact structure and manage to arrange for someone to come out in the middle of the night (after 1 am still answering calls himself.”
Mile High Exterior Construction
“When they came out for the free estimate, they took the time to walk around the entire house, inspecting all of it, and making recommendations and proposing fixes for things that should be repaired.”
UB Code Roofing +
“Smith sat down and explained everything in detail, and was very honest about his findings and what he would do to correct the problem and kept his word, we are extremely pleased with the outcome of the work done, I would recommend U.”
Gutter Guard Experts
“The sales guy who came over was on time, courteous, no pressure, and was willing to save the promotional pricing for us even though we would have to do installation months out (our house was being repaired).”
Emerald Window Cleaning
“Luis and his assistant worked diligently for about 3 hours to render all windows, screens, tracks, and doors in the whole house (main floor, basement, garage) sparkling clean!”
Cenco Roofing
“The production team arrived on-time, was extremely professional and respectful of our property, and went above and beyond in terms of cleaning up after each workday.”
Deja View Window Washing
“Indeed we will be recommending Deja View Window Washing to others and absolutely will keep your contact information for our future window washing needs.”
MG Cleaning Systems
“Easy scheduling, reasonable price, and my windows are clean.”
Legacy Window Cleaning LLC
“I recently hired Legacy Window Cleaning LLC to clean all the exterior windows of our golf club clubhouse, as well as the interior windows in the welcome desk area, and I couldn't be more pleased with their service.”
Palmershine Window Cleaning
“Zeek and his colleague were very professional from contacting me when they were on their way to my home and once there, explaining the window cleaning process for the many windows in my home.”
S.w.a.t. Window Cleaning
“It's such a relief to have a vendor I don't have worry about being late, unprepared or unable to provide the services we need on the time tables we require.”
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.”
Colorado Seamless Gutters
“This time we dealt with Stacy who efficiently handled our phone inquiries, Damon who came out and gave us an estimate and took care of ALL of our questions, and David who did a great installation job.”
Metropolis Window Cleaning
“The price sounded a bit high at first, but they worked hard to do things I couldn't have done myself (like power washing the screens and climbing on the roof to get at weird windows) and the results were awesome.”
Pinnacle Home Exteriors
“Pinnacle home exteriors website was very easy to read and navigate and offered a calendar for selecting a date and a time for Nate Ellis, the owner, to come out and talk with me about the work and repairs.”
Integrity Pro Roofing
“The whole process went very smoothly and we were so happy and impressed to get updates along the way so we always knew what was going on, what the next steps were, and timing estimates.”
Mr. Pro Services
“It was great to have a company with consistent communication, a technician that arrived as scheduled, and provided a full inspection, cleaning, and final details about maintenance and use.”
Why these companies made our list
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