An Iowa sublease agreement contains the provisions necessary to govern the relationship between a sublessor (original tenant on a residential lease) and a sublessee (the new tenant renting all or a portion of the residential property). Although this is a separate document from the original residential lease agreement and does not directly involve the landlord, a sublease agreement must comply with the terms and conditions of the original lease.

Since Iowa does not provide laws that specifically regulate subleasing, the sublessor should first obtain permission from their landlord, preferably written permission, to protect all parties involved. If the landlord approves, the sublessor and sublessee can negotiate the terms of occupancy.