What is a personal guarantee in a commercial lease?
The short answer
A personal guarantee generally puts your personal assets — not just the business's — behind the lease obligations if the business can't pay. The exposure varies enormously with the wording: some guarantees are capped at a number of months' rent, some "burn off" after a period of on-time payment, and some are "good guy" guarantees that generally limit what you owe if you surrender the space properly. Many have none of these protections.
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What the clause usually does
It makes a named person answerable for the tenant entity's lease obligations — rent, damages, sometimes the landlord's costs — so the landlord may be able to pursue the guarantor personally if the guarantee applies. The scope question is everything: full term or limited period, all obligations or rent only, capped or uncapped.
Common softening structures: a cap (e.g., six or twelve months of rent), a burn-off (the guarantee shrinks or ends after a period of good payment), and the "good guy" form, which generally limits the guarantor's exposure to the period before the tenant vacates and returns the keys properly.
Why people worry
"Once the ink dries it's too late" is the recurring small-business story — home and savings standing behind a five- or ten-year lease for a business that might not last that long. Owners report not realizing the guarantee survived an early exit, or covered build-out costs and fees beyond rent.
What to look for in your lease
- Whether the guarantee is capped — and at what number of months or dollars.
- Any burn-off: does exposure shrink after one or two years of on-time payment?
- Good-guy language: what exactly must you do to cut off liability when leaving?
- What the guarantee covers beyond rent — damages, fees, build-out repayment.
- Whether it survives lease assignment or renewal.
Questions to ask before signing
- Ask the landlord whether they'll accept a capped or burn-off guarantee.
- Ask the other party to clarify the exact conditions that end the guarantee.
- Confirm whether a larger security deposit could substitute for a personal guarantee.
- Consider having the lease reviewed before signing any uncapped guarantee.
Reading the actual document
The general rule tells you the baseline. Your lease tells you what you’re actually being asked to sign — and the wording is what binds. Read the specific clauses in your document before you sign.
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Common questions
What is a 'good guy' guarantee?
A market form that generally limits the guarantor's exposure to the period before the tenant vacates and hands back the space in the agreed condition with notice. The exact conditions vary by lease — the wording controls.
Can a personal guarantee be negotiated?
Commonly yes — caps, burn-offs, and good-guy conversions are standard asks in lease negotiations, especially with a strong payment history or larger deposit on offer.
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