
About Westminster Window Pros
Serving Westminster, CA and neighbouring Orange County communities with window installation and replacement โ assessed first, explained clearly, no pressure to decide.
Our Story
We started Westminster Window Pros around a simple idea: homeowners deserve a straight answer about what their windows need and what it will actually cost to fix it. Too often, window shopping means sitting through a sales pitch dressed up as a consultation. We built our process to work the other way around โ assess first, explain clearly, and let the homeowner decide without pressure.
Honesty over upselling is the part we care about most. If a window can be repaired instead of replaced, we'll tell you. If a lower-cost option meets your needs just as well as a premium one, we'll say so. Our estimates reflect what your home actually needs, not what would be most profitable to sell you.
Craftsmanship is the other half of it. A window is only as good as its installation. Our crews are trained on proper flashing, insulation, and sealing techniques because a beautiful window installed poorly will fail early โ and that failure shows up as your problem, not ours. Most of the window failures we're called out to fix started as installation shortcuts, not product defects.
We also try to be easy to reach. Questions come up during a project, and we aim to be responsive before, during, and after installation, so you're never left wondering what's happening with your home.
We serve homeowners throughout Westminster, CA and neighboring Orange County communities โ Huntington Beach, Garden Grove, Fountain Valley, Santa Ana, Costa Mesa, Seal Beach, Stanton, and Cypress. See our locations page for the full list of areas we cover, or call and we'll tell you straight away whether you're in range.
Our Commitments
Quality Materials
We only install windows from trusted manufacturers with proven performance records.
Installation to Spec
Crews follow manufacturer specifications on flashing, insulation, and sealing.
Honest Pricing
Transparent estimates with no hidden fees or surprise charges at completion.
Local Expertise
We know how the marine layer and afternoon heat wear on Orange County window frames.
Warranties Explained Up Front
We go through exactly what your manufacturer warranty covers before you order.
Customer First
Your satisfaction is our priority from first call through final walkthrough.

Sealing & Finishing

Removing the Old Unit
Ready to Work With Us?
Call today for your free in-home estimate. We'll assess your windows, discuss your options, and provide a detailed quote with no obligation.
๐ Call (657) 203-8313Get a Free Estimate
No obligation ยท Same-week availability
Takes 60 seconds ยท No obligation
