What Is a Personal Guaranty in a Commercial Lease?

A personal guaranty in a commercial lease is a separate legal document in which an individual, usually the business owner, personally promises to cover the tenant entity's lease obligations if the business defaults. It pierces the LLC or corporate liability shield, so the landlord can pursue the guarantor's personal assets, including savings, investments, and in some cases a home. It is a distinct contract from the lease itself.

Business owners sign guaranties routinely and rarely read them closely, which is a problem, because the guaranty is often the single most dangerous document in the transaction. The lease binds a company that can be dissolved. The guaranty binds a person who cannot. This guide covers the types, how tenants limit exposure, how landlords enforce, and what a lender or buyer has to verify in diligence.

Last updated July 2026. This is general information, not legal advice. Have counsel review any guaranty before you sign it.

What is a personal guaranty in a commercial lease?

It is a promise by an individual to perform the tenant's obligations if the tenant does not. Landlords require them because a new LLC with no operating history and no assets is not a creditworthy counterparty for a ten-year obligation worth millions. The guaranty gives the landlord recourse to a real balance sheet.

The critical structural point is that it is a separate contract. It has its own scope, its own defenses, and its own survival terms, and none of them are governed by the lease unless the guaranty says so. A tenant who negotiates the lease carefully and signs whatever guaranty form the landlord's counsel attached has negotiated the wrong document.

What is the difference between a personal guaranty and a corporate guaranty?

A personal guaranty is signed by an individual and reaches that person's personal assets. A corporate guaranty is signed by another entity, usually a parent or an affiliate, and reaches only that entity's assets. No individual is exposed.

Which one a landlord asks for depends on who is across the table. Personal guaranties are typical for new businesses, single-location operators, and tenants with thin credit. Corporate guaranties are typical for established multi-unit operators and franchise systems, where the parent company has the balance sheet and the individual franchisee does not. From a landlord's perspective a corporate guaranty from a strong parent is worth far more than a personal guaranty from an owner whose net worth is illiquid and largely tied up in the business itself.

What is the difference between a full and a limited personal guaranty?

A full, unlimited, or absolute guaranty covers all obligations under the lease, rent, operating expenses, and non-monetary obligations like repairs and insurance, for the full term, and is enforceable immediately with no preconditions. The landlord does not have to sue the tenant first or exhaust the security deposit.

A limited guaranty caps exposure in one or more ways: a dollar ceiling, a time limit, coverage of monetary obligations only, or a requirement that the landlord pursue the tenant entity before coming after the guarantor. That last distinction has a name worth knowing. A guaranty of payment lets the landlord sue the guarantor directly. A guaranty of collection requires the landlord to exhaust remedies against the tenant first. Most landlord forms are guaranties of payment.

What is a good guy guaranty?

A good guy guaranty is a limited personal guaranty, dominant in New York City, that is a guaranty of payment rather than a guaranty of the term. The guarantor is personally liable only for unpaid rent and charges accrued up to the day the tenant actually surrenders the premises, provided the tenant gives the required advance notice, commonly 30 to 90 days, is current on rent at surrender, and returns the space vacant and broom clean.

What it does not cover is the landlord's lost future rent after a proper surrender. That is the entire point. It gives the landlord certainty of getting the space back promptly and being paid through the handover, and gives the guarantor a defined exit rather than personal liability for the remaining seven years of a lease their business could not support. Tenants who deliver a good guy guaranty often earn a lower security deposit in exchange. The common misconception is that it means no liability at all: a guarantor who walks out owing three months of rent is still personally on the hook for it.

What is a burn-off or rolling guaranty?

A burn-off, or sunset, guaranty reduces or terminates the guarantor's liability over time as the tenant performs. A typical structure might cap liability at twelve months of rent, dropping to six months after twenty-four consecutive on-time payments, and terminating entirely after a longer clean record. It rewards the tenant for becoming the credit the landlord wished it had been at signing.

A rolling or floating guaranty works differently. It caps liability at a set number of months' rent measured from the date of default, so total exposure never exceeds, say, twelve months of rent regardless of when in the term the default happens. A tenant who defaults in year eight faces the same ceiling as one who defaults in year two. Both structures are far better for a guarantor than an unlimited guaranty, and both are ordinary asks in a negotiation.

What is a springing guaranty?

A springing guaranty, sometimes called a bad boy guaranty, is dormant until a specified triggering event occurs, at which point it springs into personal liability. Triggers are typically bad acts rather than ordinary business failure: a tenant bankruptcy or insolvency filing, fraud or misrepresentation, an unauthorized transfer of the leasehold, waste of the premises, or failure to pay taxes or maintain insurance.

The logic is that a business can fail honestly, and the guarantor should not be ruined for that, but a guarantor who commits fraud or strips assets should be personally exposed. Courts have generally enforced properly drafted springing guaranties against sophisticated parties, and the conditional nature of the obligation is not by itself a defense. These are more common in loan documents than in leases, but they appear in both.

Does a personal guaranty survive lease assignment, renewal, or holdover?

It depends entirely on the language, and this is where guaranties are won and lost. A well-drafted landlord guaranty expressly extends to renewals, extensions, amendments, and holdover periods, and states that assignment or subletting does not release the guarantor. If the document is silent, coverage becomes uncertain and jurisdiction-dependent. Some courts have treated a post-term month-to-month holdover as a new contract that does not recreate guarantor liability.

Survival must be stated explicitly. A guarantor who sold the business three years ago and never obtained a written release may still be liable. A landlord who assumed the guaranty followed the lease through a renewal may discover it expired with the original term. Neither party should be guessing, and both find out at the worst possible moment. The same care applies to assignment and subletting, where the outgoing tenant's continuing liability is governed by the same kind of drafting.

How does a landlord enforce a personal guaranty?

With a typical continuing, absolute, and unconditional guaranty, the landlord can bypass the tenant entity entirely and sue the guarantor directly for the full amount owed. Enforcement usually runs in three steps: review the guaranty's scope and any defenses, send written notice of default and a demand to the guarantor, then sue for the remaining rent and damages, reduced by whatever the landlord recovers by re-letting the space.

To prevail, the landlord proves a valid written guaranty, the underlying debt, the tenant's default, and the amount due. The burden then shifts to the guarantor to establish a defense. The most common defense is the landlord's own doing: a landlord who modified the lease materially, or accepted partial payments and forbearance, without the guarantor's consent may have released or impaired the guaranty. Landlords who quietly restructure a struggling tenant's rent without a guarantor consent letter sometimes discover they have negotiated away their best security.

Negotiation levers for tenants

Several, and they are routinely granted. Convert a full guaranty into a good guy, limited, or rolling guaranty. Add a burn-off tied to on-time payment history. Cap liability at a fixed number of months' rent and at a dollar amount. Limit the guaranty to monetary obligations only, so the guarantor is not personally liable for a roof repair. Require the landlord to mitigate damages and credit re-letting income. Require the landlord to pursue the tenant and the security deposit first, converting a guaranty of payment into a guaranty of collection. Exclude renewals, expansions, and amendments the guarantor did not consent to. And offer a larger security deposit or a letter of credit in exchange for a reduced guaranty, which is often the trade a landlord will actually take.

What a lender or buyer needs to know about guaranties in diligence

Guaranties are frequently the most under-examined documents in a data room, and they can be worth more than the lease. Read the guaranty itself rather than relying on a summary. Confirm whether it is a guaranty of payment or of collection, because that changes enforceability and therefore the value of the income stream. Check the survival language against the current renewal, extension, or amendment, since a guaranty that lapsed at the original term expiration may be worth nothing at all. Verify the guarantor's financial capacity, not just their signature. Check whether any springing triggers have already been tripped. Confirm the guaranty is assignable to the buyer or lender and that the consent chain is intact. And look for release or impairment risk in the file: prior lease modifications or accepted partial payments made without guarantor consent may have discharged the obligation entirely.

This work happens at the same moment as everything else at closing, under time pressure, across dozens of files. A lender underwriting the same asset on the debt side has to reach the same conclusions about the credit behind each lease, which is why teams increasingly run the borrower and guarantor documents through automated underwriting analysis rather than reading each one cold. Our guide to estoppel certificates covers the companion document that confirms what the tenant says the lease actually requires.

Common misconceptions

Four are near-universal. That an LLC or corporation shields the owner, when a personal guaranty overrides the corporate veil by design. That a good guy guaranty means no liability, when the guarantor remains liable for rent accrued through surrender. That the guaranty automatically ends when the lease term expires, when it can extend through renewals and holdover if the document says so. And that all guaranties are interchangeable in diligence, when payment versus collection and the survival clause change the value dramatically.

Capturing guaranties in a lease abstract

The guaranty is a separate document, which is exactly why it goes missing. It gets filed apart from the lease, it is not referenced in the rent article, and an abstractor working from the lease alone will never see it. Then a buyer's counsel asks who stands behind the tenant on suite 400 and nobody knows.

A complete abstract captures the existence of a guaranty, its type, its cap, its burn-off schedule, its survival language, and the guarantor's identity, with each field linked back to the page it came from so counsel can verify without re-reading the file. That is one of the six pillars any thorough commercial lease abstraction has to cover, and it is a routine part of lease abstraction for paralegals reviewing a data room and lease abstraction for lenders underwriting a collateral pool. Upload a lease and its guaranty at the top of this page to see what the AI pulls out, or start with our commercial lease abstract template to see every field worth capturing.