This application allows us to check the guarantor's rental history, employment status, and credit. Fill out the lease guaranty application online and send us your paperwork.It's fast, easy, and most importantly secure. Fill in the applicant's name, position applied for, and department. Rent deposit free with Leap. Get qualified today with Leap as your Guarantor. Application Form: Same form as the applicant fills out. Credit Report: A guarantor's credit report must be in good standing. Just fill out the following form, visit us at our Wrigleyville office located at 3923 N. Ashland Avenue or call us at . Submit.