city of thousand oaks window replacement

With Property Improvement Specialists you get the best in Product, Service, and Installation.

Welcome to Property Improvement Specialists, Thousand Oaks' premier window and door replacement company. We are here to help make your home or apartment a more enjoyable and valuable place to live in!

Benefits of Replacing your Windows:

  • Reduce Energy Costs up to 35%
  • Reduce outside noise
  • Increase property value
  • Protect furnishings with special glass coating
  • Enhance curb appeal

When it comes time to finding a window company to replace your windows you have an ample choices in Thousand Oaks, but only a few good ones. Finding a company which you trust to do the best work and offer quality products to you is another story. With Property Improvement Specialists, however, we understand what is important to you as a property owner and make every effort to fulfill your needs and desires.

At Property Improvement Specialists, we want our customers to have the power to make an informed buying decision. Our dedicated staff is here to offer their professional advice and to make your window shopping experience as pleasant as possible. So, whether you’re in early stages of the window replacement process or ready to make a purchasing decision, we'd love to talk to you.


Energy Savings – 35% Savings off your Energy Bill!

Many homes in Thousand Oaks, if for no other reason than to decrease their energy bills, could greatly benefit from replacing their windows. Within the past decade, the window industry has advanced so much that a window which was purchased just 10 years ago is just 50% as efficient as a modern day replacement window. With these advancements, you could save more than you think possible!

On average, Thousand Oaks residents can save 35% on energy costs with new high-performance vinyl windows from Property Improvement Specialists. In addition to improving the energy efficiency of your property, we offer various specialty glass options to decorate any opening. Check out our specialty glass options here.

Let us enhance your property with new energy-efficient Windows & Doors

See the Difference



We are dedicated to offering you, our customer, with the highest selection of quality products and constantly strive to exceed all customers expectations with craftsmanship, service, installation, and reliability. All of our products are backed with lifetime warranties.

Never “buy today” pressure or “gimmicks”.

We offer FREE-In Home estimates fill out a contact form or please call 1-800-815-5585 to schedule yours today.




Property Improvement Specialists were a pleasure to work with. Their installers were diligent, respectful, and real craftsman. Very enjoyable experience!

M.Rogers – Thousand Oaks