A1 Garage Door Repair Castle Rock, CO | Installs * Sales * Repairs
As an essential home service provider, we are committed to our normal business hours to best serve you at this important time.


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  • 400+ 5 Star Yelp Reviews
  • BBB A+ Reputation
  • Angies List Super Service Award
  • Licensed, Bonded, Insured


A1 Garage Door Service and Repair in Castle Rock, Colorado

A1 Garage Door Service in Denver provides solutions to all your garage door needs. A1 Garage Door Service understands how it is to live in Castle Rock, Colorado with its semi-arid climate characterized by cold and dry winters and hot and humid summers which can take its toll on your garage doors. We are here to offer our excellent brand of garage door service to you from sales, installation, maintenance, and repair.

A1 Garage Door Service Is a Family-owned Business

A1 Garage Door Service is a family-owned business that has been running for more than two decades already. We have spread our operations in different parts of the country to cater to the garage door concerns of American homeowners. We know the importance of garage doors in our homes. We all use our garage doors all the time but with frequent use also comes wear and tear of the components of our garage doors. We do not want your garage door to cause you any inconvenience or harm that is why we are extending our assistance to your family for your safety and security. We are like a family looking over each other’s welfare.

A1 Garage Door Gives the Best Value for Your Money

When you call us to have your new garage door installed, our professional garage door service provider will give you free cost estimates when he or she comes over to your home. That way, there are no surprises when the bill comes. But do not worry. A1 Garage Door Service comes at an affordable price. And to give you more value for your money, we offer discounts and warranties for our services. You get excellent service, discounts, and warranties – what more can you ask for? We want to give you the best because that is what families do for each other, right?

Let A1 Garage Door Service Help You Remodel Your Home

Do you need to remodel your garage? Living in one of the most affluent towns in the country, we understand the need to maintain a nice façade for your homes to keep up with the rest of the neighborhood. You can start by upgrading the look of your garage door. This will definitely increase the curb appeal of your lovely home. You can splash it with a different color to give it a different vibe. Try red, blue, purple, yellow, black, or white. We have them all at A1 Garage Door Service Denver. We have a wide selection of garage doors from different makers so that you have lots of options to choose from. Call A1 Garage Door Service Denver now at 720-400-7727 to have your new garage door installed. You can also inquire about our current discount specials. We are currently giving away coupons that would entitle you to get $200 off upon purchasing a new garage door. Talk to our customer service representative to know how you can avail of our coupons.

A1 Garage Door Service & Repair

See why we are the best!


Yelp 5 Star Reviews

Yelp 5 Star Rating We keep a high 5 star average rating with over 300 reviews!

bbb Acredited business

BBB Accredited

Better Business Bureau We maintain a A+ Rating with the BBB

BackGround Checks

BackGround Checks

Background Checks All A1 employees must pass a criminal background check before hire.

100% guaranted licensed bonded

Licensed Bonded & Insured

Licensed Bonded And Insured. Trust your work is done with quality.

super service award

Angies List

Angies List 2014, 2015, & 2016 Super Service Award recipient!

Arizona Register of Contractor

AZ Registrar of Contractors

Arizona Registrar of Contractors A1 Garage Door Registrars license #267827

A1 Garage Door Service

See why we are the best!

a1 Garage Door Openers

Garage Door Openers

Is your garage door opener defective or simply not working? Call A1 Garage Door Service at (720) 400 7727 and we will fix it for you. We have all the top models, brands and makes of garage door openers plus laser eyes and keypads.
a1 Commercial Doors, Docks & Gates

Commercial Doors, Docks & Gates

A1 Garage Door Service specializes in the installation, repair and maintenance of all commercial doors such as security gates, roll-up garage doors, warehouse doors & more for local Denver companies. Simply call us at (720) 400 7727.
A1 Panel Replacement

Panel Replacement

Do you have a broken or bent garage door panel? Contact A1 Garage Door Service at (720) 400 7727 and we will immediately replace or repair it.
A1 Garage Door Springs

Garage Door Springs

Always get the best torsion & extension springs. A1 Garage Door Service has an array of premium quality springs appropriate for your garage door. Just dial (720) 400 7727 to get your door functioning like new.
A1 Crashed Door Service

Crashed Door Service

Do you have a damaged door? Worry no more. Our expert team at A1 Garage Door is well-equipped to fix it for you. Call us at (720) 400 7727.
Custom Garage Doors - Phoenix

Custom Garage Doors

We know how you value the importance of having your own beautifully designed custom garage door. Call A1 Garage Door Service at (720) 400 7727 and benefit from our personal service from the conceptualization to the installation of your garage door and even its maintenance.
A1 Tune-Ups


Is your garage door loud? Is it lowering and raising slowly and gradually or even jumping on the tracks? Our technicians will make sure all of your components are in working condition and provide you with a full tune-up at reasonable prices. Just dial (720) 400 7727.
A1 Garage Door Sales & Install

Garage Door Sales & Install

Are you in need of a brand-new garage door? Whether your home’s door is old and broken down or you want to update the visual appeal of your home with a custom garage door, our technicians will certainly give you the service you deserve at a good price. Simply contact (720) 400 7727.
A1 Weather Seals

Weather Seals

Our specialists will install a brand new garage door weather seal which will keep rats, rain and dust away from your garage for good. Its simply a matter of calling A1 Garage Door Service at (720) 400 7727.

We Service All Makes & Models of Garage Doors & Openers

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Liftmaster myQ Smartphone Universal Garage Door Controller

A1 Garage is proud to announce that we now stock and install Liftmaster myQ Smartphone Universal Garage Door Controllers. Use your smartphone to control most modern garage door openers and gate operators from anywhere. Transform your average garage door into a smart...

Epoxy Garage Floors Guide

If you are looking to spruce up your garage and give it a stunning new look, installing epoxy flooring can’t be beaten. Not only will epoxy give your garage floor a great new look, but it will also last longer than other garage floor coatings, be more durable,...

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We are ready to assist you and get your garage door back on track!

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