Custom View Windows sells high quality windows, entry, storm and patio doors in and around Cedarburg, Grafton and Mequon, Wisconsin.  Whether you dream of a new bay or bow window for the living room, double-hung windows for the bedroom, or a customized solution.….we can help. Our company has served the Ozaukee County area of Wisconsin for over 20 years. Please check out the rest of our website to learn a little about our company and our products. We look forward to hearing from you soon!

Call (262) 377-5051or e-mail us at
to set up a free, in-home estimate!

Weeknights and Weekends: please leave us a
message and we will return your call promptly.
  • Services

    Bay & Bow Windows
    Garden Windows
    Double-Hung Windows
    Picture Windows
    Slider Windows
    Awning Windows
    Casement Windows
    Entry Doors
    Storm Doors
    Contemporary Patio Doors
    French Patio Doors
    French Hinged Patio Doors

  • Testimonials

    “John Zellmer is a man with old world craftsmanship skills. He is the only one we call for replacement windows and doors.” – Ralph and Carol Luedtke, Cedarburg, WI

    “We particularly appreciate John’s attention to detail. He is able to problem solve at the job site. He gives opinions and listens to our wishes. He and his crew do quality work. He is pleasant and easy to work with.” – Jim and Jacquie Branchford, Colgate, WI

    “Custom View Windows is spectacular! From workmanship,
    to follow up, to service, they deliver in a first class way.
    It is a delight to have them work on my home.”
    -Suzie Mackie Grafton, WI