About Tall Grass Windows & Doors





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Over 60 Years of Expertise in Window, Door, and Millwork Solutions

Founded by John Harman and Bill Roche, Tall Grass Windows and Doors is a locally owned Kansas company built on over 60 years of combined experience in window and door sales and installation.

We know that every project, whether a home, business, or custom millwork job, deserves products that look great, perform flawlessly, and fit your vision.

What sets us apart isn’t just the products we offer, it’s the guidance we provide. Serving communities across Kansas, we stay ahead of the latest trends and innovations so you don’t have to, helping you select windows, doors, and millwork solutions that match your style, needs, and budget.

Partnering with top millwork providers, we offer high-quality, sustainable products and exceptional post-sale service, ensuring your investment continues to perform and impress for years. At Tall Grass Windows and Doors, our mission is simple: Excellence without Exception.

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Excellence Without Exception Starts with Our Team

John Harman

Tall Grass Owner

My Business partner Bill and I wanted to start a company that combines supply with design and 40 years experience in building and product knowledge to give customers an exceptional experience. I believe in giving back to the community you work in. I volunteer as a Scout Leader, Junior Achievement Teacher, Board Member for Camp Bromelsick (serving the youth of Douglas County, Kansas), and as a member of the Douglas County Emergency Management team. I enjoy spending time with my family, watching my favorite teams K-State, Chiefs, Royals, and Sporting! Spend a lot of time outdoors.

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Bill Roche

Tall Grass Owner

Bill knows windows and doors inside and out, and he knows the construction side of their installation. To understand Bill’s passion for his work you have to go back to his first job…pulling nails out of boards for the next-door neighbor for a penny apiece. From there, his path forward started to form. By the time he was in high school, he was working for a local carpenter and after graduation he was a co-owner in a construction business. After that company closed, he decided to check out some other industries, but soon found his way to being the superintendent for a light commercial contractor. Bill has been in the business of selling windows and doors for over 30 years now. Eight years ago, he became co-owner and President of Tall Grass Windows. During his time in the millwork industry, he has taken advantage of an array of classes and training and is an AMMA Certified installer. His knowledge of the industry is well respected by his peers and he is frequently one of their first calls to help them solve a problem. He believes strongly in helping people achieve their dreams.

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Your Top Questions About Our Process, Products, and Expertise

Can’t find your answer? Reach out today, and our team will be happy to provide expert guidance.
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See How the Right Windows and Doors Can Transform Your Space. Get Started Today!

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Get in Touch with Kansas’ Window & Door Experts

Your project deserves excellence without exception. Contact us to request an appointment or free quote at our Wamego or Lawrence locations, and let our team provide expert product selection, installation support, and guidance every step of the way.

Take a Look Inside Our Showrooms