Free estimate for windows, doors, siding and gutters.

We take pride in our business and strive to offer our customers everything you deserve and more!

Why choose Penny Window?

  • Solid Reputation – With over 60 years experience working in St. Louis and St. Charles, MO, thanks to our many satisfied customers, we have a solid reputation.
  • Quality Workmanship – For your peace of mind, we make sure your installation is done right the first time.  We work in excellence.
  • #1 in Customer Service – We’re available for you before, during and after a job is completed.
  • Trustworthy Personnel – When you schedule an installation, we’ll send out our own knowledgeable employees – no subcontractors.
  • Your Satisfaction Guaranteed – We offer warranties on our products and our labor.

Complete this short form and a representative will contact you to schedule your free estimate (in-home available).

Start Here