Search available sublease spaces in San Antonio Metropolitan Area, TX, USA. View property photos, floorplans, pricing details and more.Sublessee will leave the subleased premises in a clean condition free of all trash, debris, personal property, hazardous materials, and environmental. A sublease is an agreement where someone takes over part or all of an existing lease. This type of lease involves at least three parties. A commercial sublease is an agreement to lease space from a tenant rather than directly from a property owner. The current softness in the commercial property leasing market has created a renewed interest among tenants in protecting themselves against the possibility. A commercial sublease agreement is a statutory document authorizing a third party to occupy a leased property under the original lease agreement. Foresite is a full service San Antonio Commercial Real Estate brokerage and property management firm with national reach.