Contact Us Mangiantini offers a complimentary consultation on your construction project. Contact us today to get your project underway. SEND US A MESSAGE Your Name Your Email Subject Message Contact Us CONTACT INFORMATION Mangiantini Construction, Inc. Sonoma, California 707-996-2261 jm@mcidesignbuild.com Fall in love with your home again! General Contractor, licensed in the State of California #800675 Follow us on social media!