Bob's Custom Windows & Siding, Inc.

1015 North Parker Drive
Janesville, WI 53545

Phone: 608-352-6183

Monday – Friday: 9 a.m. – 5 p.m.
Saturday: by Appointment

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With over 40 years of experience, you can count on the team at Bob's Custom Windows & Siding, Inc. to satisfy all your window and siding needs quickly, efficiently and affordably. We know how much quality means to you, and we work hard to give you the absolute best on every job.

Bob Scieszinski founded Bob's Custom Windows & Siding, Inc. in 1986. Bob's Custom Windows & Siding, Inc. is located at 1015 North Parker Drive in Janesville, Wis. Our showroom there features examples of our window and siding lines as well as an example of one of our sunrooms. Bob's Custom Windows and Siding, Inc. was established in 1986 by Robert Scieszinski. Bob’s father, Jim, had been in the siding business since 1947. When Bob bought the business in 1986, he expanded it to include replacement windows. In 1995, Bob joined the franchise of United States Seamless and began doing seamless steel siding. In 2002, he added seamless steel log siding to his service offerings. The business also performs work on doors, gutters, gutter guards, fascia, soffit, roofs and sunrooms.

Browse our website to learn more about us. We are fully insured and lead-certified for your protection. Contact us today to schedule a free in-home estimate with one of our experts. Senior citizen discounts are available.

Welcome to Bob's Custom Windows & Siding, Inc.

Bob's Custom Windows & Siding, Inc. Mission Statement:
Our mission is to provide the finest products and services to our customers at fair and reasonable prices, to handle all issues that arise within a reasonable time frame and in a professional manner, and to remember that “Our Customers come first” at all times.


  • South Central Wisconsin Builders Association
  • Building Green

Bob's Custom Windows & Siding, Inc. Team Members:

  • Robert Scieszinski, Owner/Sales/Administration
  • Heidi Heine, Co-Owner/Marketing/Administration
  • Josh Kojo, Office Manager/Shipping and Receiving and Installation
  • Ed Oliver, Sales and Installation
  • Randy Wellnitz, Installation and Customer Care
  • Jamie Kuester, Siding Foreman
  • Dave Webb, Siding Installer
  • Brian Mcgindley, Siding Installer 

Bob Scieszinski, Owner

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