An independent contractor requires little more than a contract, a project assignment, and a deadline. THIS AGREEMENT is entered into on between the City of Walnut Creek, a California.Independent contractors are subject to SelfEmployment Tax. This Independent Contractor Agreement for Services ("Agreement") is made as of_____________, between the. An international contractor is an independent foreign worker who offers professional services to a company. How to Find the Best House Cleaners in Contra Costa County CA for a Cleaner, Happier Home. L1010Custodial Services Department. Position Definition. (UCS) is a full-service janitorial services company serving Northern California.