Partner with contractors in California using our general contractor agreement (Cost plus fee) template. For an affordable price, you can use LegalZoom's simple agreement sample to create your agreements.Flat Price: The Client will pay the Contractor write Total Contract Price here for the completion of the project. California Contractor Service Agreement Template ; (94). The Client will be invoiced when the Services are complete. Check out our california contractor contract selection for the very best in unique or custom, handmade pieces from our templates shops. Smooth flow of work as details are worked out in advance. Contractor is incentivized to complete the work ahead of schedule. Contractor shall perform and complete in a good and workmanlike manner all the Work described in the Contract. Check out our california contractor service agreement template selection for the very best in unique or custom, handmade pieces from our templates shops.