Can I get in trouble if I sublease without my landlord's permission? Yes. Subleasing without your landlord's permission may violate your lease.Can Tenants Sublet without Getting Permission? No, the tenant cannot sublet without the landlord's permission to do so. When you sublet without permission that is going to make any lease that your subletter signed unenforceable. If the original tenant does assign or sublet the lease without the landlord's consent, the landlord may refuse to accept rent and treat the lease as forfeited. Section 91.005, Texas Property Code. Subletting. In Texas, you are not allowed to rent your place to someone else without your landlord's permission.