Contractor License & Service Area Disclosure
Last Updated: June 9, 2026
De Mattei Construction is a California construction company serving clients in the Bay Area and Central Coast.
Contractor License
California Contractor License: LIC #B-478455
Please verify current license status, classifications, bonding, insurance, and related information through the California Contractors State License Board or other official sources before entering into a construction contract.
Office Locations
San Jose Office
1794 The Alameda
San Jose, CA 95126
Phone: 408.350.4200
Aptos Office
255 Center Ave
Aptos, CA 95003
Phone: 831.425.1456
Service Area
De Mattei Construction serves clients in the Bay Area and Central Coast. Service availability may depend on project type, location, scope, timing, permitting, staffing, and other business considerations.
Website Information
Information on this website is provided for general informational purposes only. It is not a construction contract, estimate, bid, warranty, or guarantee.
Any project relationship must be governed by a separate written agreement.
Contact
Website Contact Form: www.demattei.com/contact/
Phone: 408.350.4200