Commercial Door Repair and Installation Fremont, CA

Union Door is the Bay Area's premier commercial door company, offering an extensive range of commercial doors, security gates, fire-rated and ADA accessible pedestrian doors, and more. Since 2011, Union Door has been serving Fremont and the surrounding area with the highest-quality commercial doors and the expertise necessary to install, repair, and replace doors of all types and brands. If you own a  business or commercial property and are looking for a top-rated, licensed door contractor, you can trust Union Door to get the job done right and for a fair price!

Whether you have a door that isn't functioning properly and needs repair, or you are looking to replace your old doors with the latest technology, we can help. Have a building that's under construction? We can install the durable, high-performing doors that you want and need in your new space.  Give us a call today and let us know how we can help. We'll be happy to put together a fair, free quote.

"Union Rolling Door Company did a great job repairing and replacing our commercial roll-up garage doors at a very reasonable price. They are knowledgeable, professional, and do great work. They will be my "go-to" roll-up door company from now on." - Walter Y.

No matter the size, space, or type of door, you can trust Union Door to get the job done right! We’ll remove your current door and install a new one that fits your needs.

Need a new door? We have partnered with the best commercial door manufacturers in the country. Rest assured, you'll get a high-quality door at a fair price.

Our team of industry experts has seen and done it all! From new door installations to complex repairs on all types and sizes of doors, we can take on projects others can't!

There are hundreds of different commercial doors and they serve all types of purposes. Unlike a standard residential door, commercial doors often require added functionality and therefore incorporate mechanical parts, security technology, and even wireless controls. The complexity of some commercial doors means that it can be difficult to find someone who knows how to work on them.   

At Union Door, we consider ourselves experts on all types of doors and door technology. Many of our team members are industry veterans with over 20 years of experience. That means when you have a problem with your door or if you need someone you can trust to install one or more new doors, you can count on us to deliver the best service possible. Your satisfaction is our top priority! Give us a call and we'll be happy to put together a free quote for you.

Have a new building under construction or need a door replaced? We partner with the best commercial door manufacturers to install only the most durable and highest-performing doors available to date. You tell us your needs, we'll provide our personal suggestion as to which door would best suit your building. Fremont buildings need doors that can withstand the salty air and temperature fluctuations, and we'll make sure you get a quality door that's installed properly and made to last!


Browse our door types below or call us for more information.

A commercial door that stops working can be both a major nuisance and a safety hazard. If you have a door that isn't functioning properly or has stopped working altogether, give us a call. Our team of experts will provide prompt service and get the job done right. Some repairs are too technical for other door companies, but not for us! We know doors inside and out and there's nothing we can't handle!

To prevent or minimize door problems before they happen, consider signing up for our annual inspection plan.  We'll give your doors and all of their moving parts a thorough check to ensure they're operational and to address any potential issues. If we discover any technical issues or parts that need replacing, we'll discuss our findings with you and make a plan to address them.