Corporate Offices:

1336 North Moorpark Rd #226
Thousand Oaks, CA 91360


We’ve manufactured & installed over 750,000 window coverings and window replacements

Licensed Contractor License #993370

Window Design Group, is the premier replacement window & window covering company in Southern California. We specialize in vinyl replacement windows & custom window coverings with an emphasis on energy saving products, such as windows, shutters and energy efficient blinds & shades. Customers benefit from our extremely reliable service, detailed work agreements, and professional friendly staff. Potential clients are contacted promptly, all appointments are conveniently scheduled and confirmed, all product options are discussed up front, exact quotations are given on every job, ordering is made simple, and installations are on time.

With over 50 combined years of experience, Window Design Group has helped countless customers experience the joy of transforming their homes by adding the perfect window coverings and replacement windows to their homes. This has made us an expert at tailoring the right window treatments & replacement windows to fit your special needs.

Window Design Group offer a wide range of window coverings including custom shutters, wood blinds, faux blinds, roman shades, woven woods, cellular shades, and so much more. We are proud of our extensive selection of attractive, yet functional replacement patio doors, bi-folding doors, multi slide doors, single and double hung windows, picture windows, casement windows, horizontal sliding windows, french doors, garden windows, and more.

Our solid partnerships with major window replacement and window treatment manufacturers, built over the past 50 years, means The Window Design Group can provide you the highest quality window coverings and replacement windows at fantastic prices.



Do whatever it takes to attain customer satisfaction and create long lasting relationships. Honor our commitments and demonstrate high standards of honesty, trust, professionalism, and ethical behavior.


Work together as a team to successfully reach company goals. Share ideas, skills, and resources with fellow employees to help fuel the company and individual growth.


Use company policies and procedures to provide excellent communications to our customers to enhance our quality and service levels. Provide excellent communications to our employees to help them do their job better and grow as employees.


Accept responsibility for our actions, attitudes, and behavior towards our customers, co-workers, and the company.

Employee Relations

Provide a quality-working environment, provide career opportunities, compensate them fairly, treat them with respect, and help them have a better life.


Life is too short not to have fun. Have fun at work through social interaction, feeling pride through accomplishment, and finding success by being the best.

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