Garage Door Installation In Simi Valley
We Are Local, and the Trusted Company for Garage Door Installation in Simi Valley Since 2000. Choose From Hundreds of New Door Styles, Backed by So Many Excellent Customer Reviews!
Residential & Commercial
Pre-Made or Custom Garage Doors & Openers
We offer both pre-built and fully customized garage doors designed to complement your home’s unique look and function. Choose from a variety of materials, finishes, and styles—such as sleek steel and glass for a contemporary touch or natural wood for a more traditional design. Moreover, our team works with you to create the ideal combination of durability, security, and visual appeal. Whether you’re replacing an old setup or planning a brand-new garage door installation in Simi Valley, we’ll ensure every step is handled smoothly for a beautiful and lasting result.
New Installations
From Kevin, Owner
"At Alliance Overhead Door, we take great pride in delivering prompt, professional, and friendly service. Our reputation for honesty and transparency has earned us thousands of repeat clients. You’ll always know exactly what to expect—no hidden fees ever, no unexpected charges. Our priority is your satisfaction, and we work hard to earn your confidence. In short, if you’re not completely satisfied, neither are we. We’ll go above and beyond to make sure you’re happy and fully trust our work."
Our Garage Door Installation Process
1. Free Estimate & Consultation
We start with a free on-site or virtual consultation. Our technicians inspect your garage space, review your design preferences, and help you choose the ideal door style, material, and opener for your home.
2. Removal of Old Door
Before beginning your new garage door installation in Simi Valley, we safely disconnect and remove the old door and hardware. Everything is properly disposed of, leaving a clean and organized workspace.
3. Frame Preparation & Alignment
We assess the existing frame and make necessary adjustments to ensure it’s level, sturdy, and ready for installation. This step is essential for smooth and quiet door movement afterward.
4. New Door Installation
Our team installs the new panels, rollers, springs, and tracks with precision, following all manufacturer standards. We use only high-quality components to ensure strength and long-term reliability.
5. Opener Installation & Programming
If a new opener is being added, we install and program it along with remotes, keypads, and any smart home features you’ve selected.
6. Safety Testing & Inspection
We perform a full system inspection to verify smooth operation, correct balance, and proper auto-reverse function for safety.
7. Cleanup & Final Walkthrough
Finally, we clean the workspace and guide you through your new system—showing you how to operate and maintain it for years of dependable performance.
We also offer Garage Door Repair in Simi Valley!
We Are Authorized Dealers For These Manufacturers

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Products

Products
What Our Clients Are Saying
Our Services
Garage Doors & Installation
With a wide variety of Garage Doors to choose from, we know you will be happy you called us first
Garage Door Repair
We have made thousands of Garage Door repairs from Springs to Broken Cables. Most of the time, we have the parts on our trucks.
Garage Door Openers
From belt drives, chain drives, direct drives, Wi-Fi capable we have them all, we have served thousand of repeat customers







