Your guarantor will fill out an application and provide similar documents to a landlord as you, including photo ID and recent bank statements. Fill out the lease guaranty application online and send us your paperwork.They require a credit score of at least 630, but their website mentions that they will consider other factors in reviewing your application. Guarantor must show annual income of 80-100 times monthly rent. A Guarantor is not required to be present at lease signing. So I would recommend setting your guarantor approval up first before applying to an apartment. What is a guarantor? If you don't have a great credit score or much income, they can help you rent an apartment. Here's the lowdown on what you'll need to gather, fill out, and submit to get the lease process rolling. Renting outside NYC?