Trailside Homes is owned and operated by Washington natives with deep roots on both sides of the Cascade Mountain Range. Our team offers decades of new home construction, design, land planning and development experience. At Trailside, our goal is to create lasting partnerships based on clarity, trust and authenticity. SERVICES New and custom home construction in the Suncadia Resort , Kittitas County and King County Land acquisitions Entitlements Horizontal and vertical development Forestry resources.