Contact Us

Corporate Headquaters 

1660 S. Amphlett Blvd, Suite 208

San Mateo, CA 94402




Tel: 650.389.6922




Intersted in working with us? Contact Base for a pre-qualification application.



Tel: 650.389.6922




Invitation to Bid 

If you have a project that you

would like Base to bid, contact

our Preconstruction Team today.



Tel: 650.389.6922




Interseted in working with us? Submit an application for a position.