Windows and doors do more than connect your home to the outside—they impact everything from energy efficiency and natural light to security, comfort, and curb appeal. At J. Leahy Construction, we offer professional window and door installation services throughout the Portland Metro area, using high-quality products from trusted brands like Marvin, La Cantina, Weather Shield, Milgard, and more. Whether you’re replacing outdated windows, installing large glass doors to open up your living space, or upgrading your entire home for improved performance, we deliver precise, detail-oriented installations that are built to last. Our team is well-versed in the unique demands of Pacific Northwest weather, ensuring that every window and door is properly sealed, insulated, and integrated into your home’s structure. We’ll help you select materials and styles that suit both your functional needs and design preferences, with a focus on long-term value and low maintenance. From energy savings to enhanced aesthetics, our window and door solutions are tailored to elevate your home inside and out—all with the quality craftsmanship and personalized service J. Leahy Construction is known for.