You and your client should both sign and date the agreement. Sample Independent Contractor Agreement.A California general contractor agreement (cost plus fee) makes official details like dates, expectations, and expenses. To start drafting your agreement, you can check out LegalZoom's template on this page. By signing this Agreement, Contractor certifies, under penalty of perjury, that all the information provided in the Agreement is true, complete, and correct:. A construction contract template works so well. Who says construction contracts have to be long, complicated documents? Elements of a Construction Contract Name of contractor and contact information. For example, contracts must include specific paragraphs, and certain text the contract must be an exact font size and weight. To transact surety insurance in the State of California.