General Contractor Services Northwest Inc.

General Contractors Northwest Inc. is a family-owned and operated construction company serving the Pacific Northwest since 2015. We’ve earned a reputation for delivering top-quality window solutions backed by craftsmanship, integrity, and personalized service. Specializing in residential and commercial window installation and replacement, we focus on enhancing the beauty, energy efficiency, and functionality of every space. Whether you're upgrading outdated windows, improving insulation, or looking for custom designs to elevate curb appeal, our team brings expert knowledge and precision to every project. At GCS Northwest, we understand that windows are more than just glass—they're a critical part of your comfort, security, and style. That’s why we use only trusted materials, work with leading brands, and tailor every job to fit your unique needs. We're Built Different. And when it comes to windows, that difference is clear.