A Personal Guaranty is a guarantee of term, meaning that it remains in effect for the full duration of the lease. When dealing with "small business" commercial lease agreements' typically the landlord will require the "personal guaranty" of the small business tenant.Almost all landlords in New York City will require a principal or principal's of the corporation or LLC to guarantee the lease. To mitigate this risk, landlords now routinely require either a personal or corporate guaranty to secure a tenant's obligations under the lease. A good guy clause is a limited personal guarantee on an office lease where the individual's liability ends once the space is vacated. A negotiation regarding a "good guy guaranty" pertains to a limited personal guarantee commonly utilized in commercial leases within New York City. A guaranty is a promise to fulfill the obligations of another party, and is subject to the ordinary principles of contract construction. The law treats your LLC as a disregarded entity since you're the only one in the business. Business landlords generally request a personal guarantee from directors because of the extended nature of a commercial lease. New York City laws may prohibit your type of business from operating in a specific area or building.