Millennium Design | Residential and Commercial Architectural Design, Millennium Design is a Skagit Valley based custom home design company specializing in private residential and boutique commercial projects. Our homes are tailored to the lifestyle of each homeowner, embracing a balance of function and cost, with beauty and efficiency. And with nearly 15 years of custom home design experience, you can trust our team to deliver a personal, hands-on approach, and the highest level of customer care.