Sales: 206-250-9538

Office: 206-455-0779

Fax: 206-772-2518

Seattle's first choice for professional window sales and service

flower Shamrock Window & Door

Voted Best of Renton 2016 - Windows

Door Lock Window

Your door is the first thing your neighbors, friends, family, and other guests notice. Create a warm and welcoming atmosphere with a beautiful front door. Your updated door will include unique features, durable sustainability, and state-of-the-art security measures. Get ready for the endless compliments and rave reviews.


If your property is old, chances are your windows are outdated too. Save money on your utility bills with energy-efficient models. Hire our experienced professionals for fast and affordable replacements.


We specialize in new construction installations. You can trust our reliable team to finish the job on time and within budget.

Top-notch brands

Impeccable services

Enhance your curb appeal

Schedule a personalized consultation Get FREE estimates View our gallery

When it comes to installing, repairing, or replacing your windows and glass; you can leave all the hard work to us.


You'll never deal with subcontractors or hidden fees thanks to our honest services. Appreciate direct communication and efficient help throughout the entire process.


Always expect affordable prices that fit your budget. Don't worry, our reasonable rates don't reflect our high-quality workmanship. We simply want to give you a good deal.

Take advantage of FREE delivery of your exceptional products. As a top supplier throughout the Greater Seattle Area, we proudly travel and distribute throughout the Pacific Northwest.

Shamrock offers windows and doors from every major manufacturer in the pacific NW market. Check out our window and door supply page to learn more.


Receive affordable sales and prompt installations today.

We're a little different from others, and we're anxious to describe our many benefits. Call or email us today to learn more.


Feel comfortable asking our knowledgeable team any questions. We immediately address your concerns.

Browse amazing before and after transformations. You'll wonder why you waited so long to update your windows and doors, especially when everything is fast and easy.