Big Bear: 909-878-0707  •  Crestline / Lake Arrowhead: 909-338-3100

Big Bear Showroom

42181 Big Bear Blvd. - Big Bear Lake, CA 92315

Crestline Showroom

638 Forest Shade Rd. - Crestline Ca, 92325

42181 Big Bear Blvd. 


About Us

We are a proud dealer of Milgard Windows.  

Being a Milgard Certified Dealer and Replacement Specialist insures that you are getting the BEST pricing and the BEST service available.

Milgard Certified Dealer Best Windows and Doors/ Crestline Glass

Click on the link to find Out why Milgard is considered the BEST replacement window on the market.  

Milardlog - Clearly the best


Get Inspired


Milgard Inspiration Center

Go to the Inspiration Center and see what your house would look like with New Windows!!

Milgard Replacement Windows



Since 2006 BEST Windows & Doors has been your #1 Milgard Window Dealer on the mountain! Having merged with 35 year old Crestline Glass in 2014, we are now the fastest growing, most experienced full service residential and commercial glass company serving all of the San Bernardino County Mountain communities.  Whether you are looking to buy windows, doors, shower doors, custom mirrors, have broken glass or would like new windows and doors installed in your home or office, let our experienced staff help you make the right choice.  Let us bring our buying power, expertise, and professionalism to you.  Best Windows & Doors and Crestline Glass has a proven record of excellence in window and door installation sales and installation as well as repairs and service. Whether you are looking to do a project on a budget or making your home or office the BEST it can be, we can help you make your project a reality.  No matter the stage or size of your project, our experienced and professional staff will help you plan and complete it.  

Call us at (909) 878-0707 to get your project underway.

Our office hours are: 8a - 5p Monday - Friday

Call for Weekend appointments 

Effective planning is crucial to the successful completion of any project. Before starting the project, our team of experts will first assess your goals. Then we provide you with an estimate and time-line for completion.



Request a Window or Door Quote Today!