Tri-Valley Mechanical, Inc. 28261 sierra cross ave | 6612519092 Welcome to Tri-Valley Mechanical, Inc. The builders choice for high quality residential production plumbing Plumbing contractor We specialize in new residential construction. Contact Tri-Valley Mechanical, Inc. Address: 28261 sierra cross ave Phone: 6612519092 Email: info@trivalleymechanical.com Business Hours: 7:00am - 3:30pm Copyright © Tri-Valley Mechanical, Inc. 2021