Set out fair and legally binding terms as you lease your Ontario premises. Cover crucial aspects with our Sublease Agreement Sample Ontario template.A California sublease agreement is a document between a current tenant (sublessor) and a subtenant for residential use. Edit, sign, and share sublease agreement online. No need to install software, just go to DocHub, and sign up instantly and for free. A Sublease Agreement is a contract that outlines the terms of a sublease between an existing tenant and a subtenant. A California sublease agreement is a written arrangement that involves a residential tenant leasing their rental property to a subtenant.