An estoppel certificate is a short document in which a tenant confirms, in writing and under its own signature, the current terms and status of its own lease. Once it is signed, the tenant is generally barred from later claiming something that contradicts it, which is where the name comes from. The underlying legal doctrine is described in the general overview of estoppel, the Cornell Legal Information Institute entry on estoppel; Wikipedia's estoppel certificate article gives a general overview. What a given lease obliges the tenant to deliver, and by when, is set by that lease and by local law, so confirm it with counsel.
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Who asks for one, and what it does not do
A buyer asks for estoppels from the tenants of the property it is acquiring, and a lender financing the purchase often requires them as a condition of the loan. The landlord (the seller) usually has to request them, because the lease contract runs between landlord and tenant. An estoppel reports the lease as it stands; it does not amend the lease, grant new rights, or replace the lease itself. How many days a tenant has to respond is set by the lease, so read that clause before the closing timetable is fixed.
A worked example (illustrative figures)
A seller's rent roll shows a tenant paying 38 dollars per square foot per year on 10,000 square feet, which is 380,000 dollars a year. The returned estoppel says the tenant has 36 dollars per square foot in place and three months of free rent still to run. That is 360,000 dollars a year, a 20,000 dollar difference, plus 90,000 dollars of rent not yet payable. At a 6 per cent cap rate, the 20,000 dollar income gap alone is worth about 333,000 dollars of value (20,000 divided by 0.06). The rent roll and the estoppel disagree, and the estoppel is the document to ask the seller about.
Why it exists
A rent roll is the seller's account of the leases. It is produced by the party with the strongest interest in how it reads, from a lease file that may be incomplete, and it is often the document a price is built on.
The tenant is the other party to every one of those leases. An estoppel asks that party to confirm the same facts separately. It is a routine step in a commercial acquisition that tests the rent roll against the people actually paying.
What it typically confirms
- Dates. Commencement, expiry, and whether the term has already been extended.
- Rent. Current base rent, when it last changed, and the next scheduled step.
- Deposit. How much the landlord holds, and in what form.
- Options. Renewal, expansion, contraction, early termination, rights of first refusal, purchase rights.
- Landlord obligations still outstanding. Unfinished tenant improvement work, an unpaid allowance, free rent still to be given.
- Defaults. A statement that, so far as the tenant knows, neither side is in breach.
What a delay or refusal usually means
The lease usually states how many days the tenant has to deliver an estoppel after a request, and the window differs from lease to lease, so read that clause before planning a closing date around it.
Treat it as information rather than as paperwork that stalled. Common reasons include:
- A side letter the buyer has not seen. Amendments can live outside the original lease, so ask for every one.
- An unpaid landlord obligation. The tenant will not certify "no outstanding obligations" while an allowance is unpaid.
- An operating expense dispute. A tenant contesting a reconciliation will not sign away the argument.
- A tenant that intends to leave. Confirming an option it does not plan to exercise costs nothing; confirming a renewal it will not take does not.
Three documents, three jobs
| Document | Who produces it | What it proves | Typical weakness |
|---|---|---|---|
| Rent roll | The seller | The seller's account of each lease | Can lag amendments and side letters |
| Lease abstract | The buyer's team, from the lease file | What the file says, clause by clause | Limited by the completeness of the file |
| Estoppel certificate | The tenant | What the tenant says today | Can be late, qualified or refused |
An estoppel is also not an SNDA (subordination, non-disturbance and attornment agreement), which lenders often ask for in the same package. The estoppel states facts about the lease as they stand today. The SNDA is an agreement about the future: the tenant puts its lease behind the lender's mortgage, the lender agrees not to disturb the tenant if it forecloses, and the tenant agrees to recognise a new owner. The two are often requested together and answer different questions.
Where it fits in diligence
One sequence that works is: abstract every lease in the file, build your own rent roll from the abstracts rather than accepting the seller's, then compare both against the returned estoppels. Three documents that should agree, and the value of the exercise is entirely in the places where they do not.
A lease abstract that cannot point at the clause it came from is not evidence, and neither is an estoppel that arrived unsigned.
Related reading
FAQ
What is an estoppel certificate?
An estoppel certificate is a signed statement from a tenant confirming the current terms and status of its own lease: the rent, the expiry, the deposit, any options, and whether either side is in default. Once signed, the tenant is generally prevented from later asserting facts that contradict it.
Why do buyers and lenders require estoppel certificates?
Because the seller's rent roll is the seller's description of the leases, and the tenant is the other party to them. An estoppel asks the tenant to confirm the same facts independently, which is a practical way to test a rent roll against the people actually paying the rent.
What does an estoppel certificate contain?
Typically the commencement and expiry dates, current base rent and the date it was last increased, the security deposit held, any renewal, expansion, termination or purchase options, any outstanding landlord obligations such as unfinished tenant improvements or unpaid allowances, any rent concessions still running, and a statement that neither party is in default.
Is a tenant required to sign an estoppel certificate?
Usually yes, because most commercial leases contain a clause obliging the tenant to deliver one within a stated number of days of a request. Some leases also allow the landlord to certify on the tenant's behalf if the deadline passes, though a buyer will usually treat a landlord-certified estoppel as weaker evidence.
What does it mean when a tenant refuses to sign?
It is a signal worth following rather than a formality that stalled. The common reasons are a side agreement the buyer has not seen, an unresolved landlord obligation, a dispute over operating expense reconciliations, or a tenant preparing to leave and unwilling to put its intentions in writing.