Subcontractors Information for Subcontractors If you are interested in being added to BSM Construction’s list of qualified bidders, please complete and submit the Subcontractor Qualification Form below for consideration: Subcontractor Qualification Form (PDF – Fill in and print) Billing Instructions (PDF) Sample Invoice (PDF) Sample Certificate of Insurance (PDF) Lien Release Forms Conditional Lien Release Upon Progress Payment (PDF) Unconditional Lien Release Upon Progress Payment(PDF) Conditional Lien Release Upon Final Payment (PDF) Unconditional Lien Release Upon Final Payment (PDF) Questions? Email to subcontractors@bsmconst.comor fax to (925) 688-1100