A privately owned company doing business in California, Arizona, and Nevada. 22 years ago marked the upstart of our first com ... pany, Tri Valley Stairs, in Northern California. Since then we have been providing the building industry with superior quality, excellent service and great value on stair and railing systems. We have a strong technical, managerial, and financial base, with over 75 years of combined experience in both tract and custom residential construction. We are committed to delivering each installation, on time, every time while maintaining the continual and responsive dialogue that today's builders and developers require. read more