Door installers in Longmont, CO
7 verified door installers serving Longmont and the surrounding area. Entry, interior, patio and shower doors — supply, install and repair. Free and no obligation.
The Door Dudes
Discover exquisite craftsmanship at The Door Dudes, a premium door distributor proudly serving Colorado. We are by appointment only. Please call us or book an appointment online to schedule your visit. Step into a world of elegance and artistry, where we specialize in custom wood entry doors that exude grandeur and character. Explore our range of interior doors that blend seamlessly with any décor and garage doors that add both functionality and aesthetic appeal to your home. With licensed and insured professionals, we ensure meticulous installation and full transformations of your entryways, elevating them from ordinary to extraordinary.
View profileRocky Mountain Shower Co.
Since 2015, Rocky Mountain Shower Co. has been the premier destination for premium glass, mirror, and shower door solutions. Specializing in custom projects, they elevate homes in Longmont, Boulder, Fort Collins, and surrounding areas with bespoke designs. Their expertise in the glass industry ensures every installation is a seamless blend of artistry and functionality, transforming ordinary spaces into stunning showcases.
View profileDoors in Longmont, CO: a homeowner's guide
Common doors jobs in Longmont, CO
- Entry and front door replacement
- Interior door installation
- Patio and sliding door installation
- Storm and security doors
- Shower door installation
What affects the cost
- Door material — steel, fiberglass, wood or glass
- Pre-hung unit vs. slab-only replacement
- Sidelights, transoms and decorative glass
- Frame or threshold repair
- Locksets and smart-lock hardware
How to hire the right pro
- Ask whether they install pre-hung units or retrofit slabs
- Confirm weather-stripping and sealing are included
- Check the manufacturer warranty and the installer's labor warranty
- Measure twice — ask them to measure on site

Need hardware for your doors project?
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All door installers in Longmont
BlueBird Windows & Doors
No reviews yetBlueBird Windows & Doors is your premier choice in Longmont and the surrounding communities for top-notch window and door installation and replacement services. Our expert team, deeply rooted in Longmont, excels in delivering custom solutions—from window upgrades to door replacements—tailored to the unique architectural and aesthetic needs of our area. As a committed local business, we prioritize your satisfaction, ensuring every project enhances your home's beauty and functionality. Choose BlueBird Windows & Doors, Longmont's trusted window and door specialists. Backed by years of experience and a portfolio of successful projects, BlueBird Windows & Doors is the go-to expert for all your window and door needs! Give us a call today.
View profileRenewal by Andersen Window Replacement
No reviews yetRenewal by Andersen in Fort Collins offers full-service window replacement and door installation services to the surrounding cities. With an industry-leading installation process and the Andersen-exclusive Fibrex material, our replacement windows bring long-term value to your home. Also, our customers have the opportunity to design the ideal replacement window, patio door, and entry door for their homes. With several standard styles and a large collection of custom options, Renewal by Andersen windows and doors can complement your home's style. Call our local office today and set up a free consultation to get started today!
View profileHillcrest Glass
Hillcrest Glass is a full-service glass shop located in Longmont, Colorado. We have been providing glass in Longmont, Boulder, and nearby communities on the Northern Front Range of Colorado since 1969. We’ve been locally owned since the beginning.
View profileNearby cities in Colorado
Hiring door installers in Longmont
Every business on this page is a published profile in Longmont, Colorado, with its own services, ratings and contact details. Reach out to two or three, compare what's included, and hire directly — we never take a commission on your project.
Want a wider radius? See all door installers in Colorado or open the map search.
Frequently asked questions
How much does doors work cost in Longmont, CO?
Prices vary by project size, materials and access. The best way to get an accurate number is to compare a few free quotes from verified local pros — most homeowners gather 2–3 before deciding.
Are these contractors verified?
Verified contractors have claimed their profile and confirmed their business email or phone number.
Does it cost anything to contact a contractor?
No. Browsing profiles and reaching out is completely free with no obligation. You only pay the contractor you choose to hire.
How do I choose the right pro in Longmont, CO?
Compare ratings and review counts, check that the services listed match your project, and ask each pro about timelines, warranties and who handles permits.
