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Business Details
We are Shamrock Windows and Doors, a familyowned and operated business proudly serving Orange County since 1993. Dan and Jackie Gagan have guided our company for over 25 years, ensuring every project reflects our commitment to quality. Our team combines more than 25 years of sales experience with installers who each bring a decade or more of handson expertise. We operate under California State License No. 678380, a testament to our adherence to rigorous industry standards. Our showroom on Del Lago Drive offers lifesize displays and personalized consultations to help homeowners choose the best options. We reject highpressure sales tactics, focusing instead on transparent, customerfirst interactions.

We provide lifetime repair and service warranties on all Milgard products, guaranteeing peace of mind for years to come. Our installations feature precision craftsmanship, whether we are fitting a vintage French door or a modern vinyl frame. We continuously update our product lines to include industry leaders such as Pella, Empire Pacific, AAW, and Escon. Our staff, including longtime employees and family members, embodies the dedication and professionalism that have earned us a loyal customer base. We remain committed to exceeding expectations and ensuring every homeowner feels confident in their investment.
Highlights and features
  • We have 25+ years combined sales experience.
  • We offer lifetime warranties on all Milgard products.
  • We operate under California license No. 678380.
  • We showcase lifesize window displays in our showroom.
  • We employ installers with 10+ years experience.
Services
Milgard Replacement Windows
Milgard Replacement Windows offer superior durability with vinyl, aluminum, and fiberglass/woodclad options. Ideal for homeowners seeking longlasting performance and aesthetic versatility. With a lifetime repair and service warranty, customers receive confidence that their investment remains protected as long as they reside in their home.
Empire Pacific Vinyl
Empire Pacific Vinyl Replacement Windows provide a costeffective yet highquality solution for California homes. Designed for energy efficiency, they feature durable vinyl frames and secure glass. The company backs its products with a lifetime warranty, ensuring lasting satisfaction for every installation.
Pella Windows
Pella Windows, a trusted brand since 1925, delivers premium performance and elegant design. Their range includes energyefficient vinyl, aluminum, and composite options tailored for diverse architectural styles. Shamrocks installation guarantees seamless integration and longterm reliability, backed by Pellas industryleading warranties.
AAW Custom Wood Doors
AAW Custom Wood Doors provide a vast selection of entry styles, from French to Southwest. Each door is crafted with precision, offering options like arched designs and transoms. With over 15 years of installation experience, Shamrock ensures durable, aesthetically pleasing results for every customer.
Escon Fiberglass Entry Doors
Escon Fiberglass Entry Doors combine the look of wood with low maintenance. Available in a wide range of prices and styles, they cater to both traditional and modern homes. Shamrocks experienced installers guarantee precise fit and secure operation, backed by Escons warranty policies.