[header] How to add a roommate to your lease [title] Read your current lease. [step] Your current lease may have clauses regarding the procedure for adding new tenants. [substeps] Your lease may include a clause that sets forth the requirements for new or additional tenants. 
If you see such a clause, make sure your prospective roommate meets those requirements. If your lease doesn't have that clause, you can get a good idea of what your landlord requires in new tenants by thinking back to what was required of you when you applied to rent your unit.