Top-rated garage door installers and replacers.

Get matched with top garage door installers and replacers in Longmont, CO

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Garage door installers and replacers in Longmont

Avatar for One Clear Choice, LLC
One Clear Choice, LLC
4.4(
369
)

Serving Longmont, CO and surrounding areas

Approved (Corporate)

In business since 2007

Free estimates

Emergency services offered

"Blake and Jeff Installed a 12 foot, LiftMaster garage door opener as a gift for my son. They arrived on time with all the parts and tools needed to complete the installation. As I have learned, Blake is meticulous and double checks his work. Blake also helped my son install the LiftMaster garage door opener application and he now can control both openers from his phone. He can also monitor the camera that came as part of the installation. One Clear Choice - ask for Blake. Excellent work at a fair price."
 Door off track
 Canyon Ridge Ultra Grain
Before and After
 avante
 Door severely off track

+50

322 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Alamo Garage Doors
Alamo Garage Doors
4.9(
240
)

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"Alamo Garage Doors went above and beyond when replacing my outdated garage door. They helped me choose a design that matched my house and handled the installation perfectly. The new door runs quietly and looks fantastic. The crew was professional, respectful, and left the area spotless. Excellent all-around service."
Garage door repair
Completed garage door installation – brand new insulated door with decorative windows.
Technicians installing a new insulated garage door with a smart opener system. The project involved removing the old door, preparing the space, and ensuring a perfect fit for enhanced durability and functionality.
Close-up of a newly installed Chamberlain garage door motor, showcasing its sleek design and advanced technology. The motor is securely mounted and wired for optimal performance, providing smooth and quiet operation with smart connectivity features.
Custom-designed garage door with a sleek black finish and upper window panels for added style and natural light. This door was installed to enhance the aesthetic appeal and functionality of the property, offering both durability and modern elegance.

+4

Response time12 hrs
14 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Above All Garage Door Service And Sales Inc
Above All Garage Door Service And Sales Inc
5.0(
44
)

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1980

Free estimates

Warranties offered

"Tony did a great job installing my new garage door. He also provided the most reasonable quote of the garage door contractors that I got bids from. We love our new garage door! Thanks Tony!"
CHI Woodtone
Showroom
Showroom
Red Feather Lakes
Fort Collins

+8

Response time3 hrs
Response rate96%
5 neighbors recently requested a quote
Avatar for Swain Garage Doors
Swain Garage Doors
4.9(
88
)

Serving Longmont, CO and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Very happy with our recent garage door install through Swain Garage Doors. Sam was professional from the moment we met him and he did an incredible job with a complete replacement including doors, tracks, motors, etc. We went with Amarr Classuca steel doors and are thrilled with the look and the features. It was a pleasure dealing with Sam from start to finish!"
Response time12 hrs
Response rate93%
39 neighbors recently requested a quote
Avatar for Don's Garage Doors
Don's Garage Doors
4.3(
503
)

Serving Longmont, CO and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"We had our garage door spring break on a Friday. American Home Shield couldn't get anyone to come out before the following week, so we inquired as to which Garage Door Companies would fix it as emergency, since my wife has medical conditions and needs to be able to travel. Of the two Garage Door Companies that are available 24 hours, A1 Garage Door Service LLC was the only one that could be there same evening. They got to our home to fix the broken spring so we could open the Garage around 8:00 pm."
Don's Garage Doors
Don's Garage Doors
Don's Garage Doors
Don's Garage Doors
Don's Garage Doors

+11

Response time30 mins
Response rate96%
43 neighbors recently requested a quote
Avatar for TIMELESS ENTRY GARAGE DOORS LLC
TIMELESS ENTRY GARAGE DOORS LLC
5.0(
8
)

Serving Longmont, CO and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Great Communication, Always on time. Has always been very upfront with pricing, no hidden charges. Great work, with quality parts. Would highly recommend. We will always keep using Jon and Timeless Entry Garage Doors for any future repairs."
Response time2 hrs
Response rate97%
6 neighbors recently requested a quote
Avatar for Third Gen Garage Doors
Third Gen Garage Doors
4.8(
31
)

Serving Longmont, CO and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Sean was very prompt, polite and professional. I would hire him again without hesitation the next time I need anything garage door related."
Breckenridge Job
Before
After
Remodel
Remodel

+40

Response time12 hrs
5 neighbors recently requested a quote
Recommended by92%of homeowners
...
Showing 1-10 of 106
FAQs for garage door installation and replacement projects in Longmont, CO

Yes, you can replace just one panel if your door is sectional and the damaged panel is available. Most modern residential garage doors have four to six horizontal panels that can be individually replaced. However, finding an exact match becomes challenging for older doors or discontinued styles. For doors over 15 to 20 years old or with multiple damaged panels, a complete door replacement might be more practical and visually consistent.

Minor dents or cosmetic damage can often be repaired without replacing the entire panel, potentially saving you money. However, if the damage affects the door's operation, security, or structural integrity, replacement is often a better investment. 

For extensive damage to multiple panels or older doors where matching is difficult, full door replacement might be more economical in the long run than multiple individual panel replacements.

Your garage door panel might be repairable if the damage is superficial and doesn't affect functionality. Small dents in aluminum panels, minor scratches, or cosmetic issues often don't require full replacement. However, replacement is often necessary if the panel is warped, has large holes, shows extensive rust, or affects how the door operates. A professional garage door technician can evaluate the damage and recommend whether repair or replacement offers the best value and durability.

The Longmont, CO homeowners’ guide to garage door installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.

  • stone home with double garage doors

    Need to replace your garage door? Here’s how much it costs, what factors affect cost, and what to expect.

  • new garage built onto house

    How much does it cost to build a garage? Explore cost factors, budgeting tips, and how a garage adds to your home’s value with our detailed cost guide.

  • Walkout patio with concrete floor

    Wondering who seals concrete? Learn who to hire, when DIY makes sense, and how pros seal driveways and garage floors—start your search now