A lease guarantor form is an agreement that makes a guarantor responsible for a tenant's actions. A guarantor guarantees the lease in case the tenant doesn't qualify on their own for a New York City apartment.The lease approval criteria states that a lease guarantor is required and that the guarantor must qualify per the communities standard. If you choose to add a guarantor, we require their income to be at least five times the rental rate of the apartment. A lease guarantor is an individual who accepts financial responsibility if a tenant defaults on the lease agreement. A second chance to secure your dream home. Helping you qualify for the rental you want, while giving property managers protection against defaults. I came across using a rent guarantor company. Arizona has two Residential Landlord and Tenant Acts: one that governs rental housing and one for mobile home properties. Com or ask your property manager about Leap.