Commercial Lease Assignment and Assumption: A Landlord Checklist Before You Consent

A tenant calls to say the business is changing hands and a new entity will be taking over the lease. It sounds simple: sign a consent, update the tenant name, and keep collecting rent.

That is exactly how a routine assignment turns into a bad file six months later.

Before you consent, you need to know what the lease permits, who will actually be responsible after closing, whether the current tenant is already in default, and what has to change in your operating records. In an NNN lease, the tenant relationship carries far more than base rent. It also carries insurance, maintenance, taxes, CAM or other pass-throughs, notices, and often a guaranty.

This is an operating checklist, not legal advice. Your lease, all amendments and prior consents, applicable law, and your counsel control the decision and the documents for a particular transaction.

Start With the Lease, Not the Assignment Request

Pull the complete lease file before you evaluate the incoming tenant. That means the original lease, every amendment, guaranty, letter of credit or deposit agreement, estoppel, waiver, and prior transfer consent.

Then read the transfer provision closely. The words matter. Confirm:

• Whether this is an assignment, a sublease, a change of control, or another transfer the lease treats as an assignment.
• Whether prior written consent is required and what standard or conditions the clause states.
• What the tenant must deliver with its request, including financial information, proposed documents, and timing.
• Whether the lease gives you a recapture right, a right to charge review costs, profit-sharing rights, or other election rights.
• Whether consent deadlines run from an initial notice or only from receipt of a complete request package.
• Whether the lease says the original tenant or guarantor remains liable after an assignment.

Do not rely on someone's summary of the clause. Build a short transaction checklist from the actual language, including the response dates. For a broader distinction between assignment and subletting, read NNN Lease Assignment and Subletting Rights: What Every Landlord Needs to Know.

Underwrite the Assignee and Any New Guarantor

An assignment should not be a credit downgrade hidden in paperwork. Treat the proposed assignee as the party that may have to pay rent, satisfy NNN charges, maintain the premises, and cure a default.

Ask for the financial and operational information your lease permits or counsel recommends, then compare it to the outgoing tenant and the lease's underwriting requirements. Depending on the business and the lease, your review may include entity formation documents, ownership information, financial statements, bank or trade references, operating history, and the business plan for the location.

If the assignee is newly formed or thinly capitalized, focus on the support behind it. Is there a guaranty? Who is signing it? Does it cover the obligations you need covered, and has counsel confirmed that it is enforceable in the form required for this deal?

Just as important: know whether you are releasing anyone. A consent can preserve the original tenant's and guarantor's obligations, modify them, or release them. Never assume the answer from the transaction label alone. Review the lease and proposed consent together.

For a practical review framework, see Personal Guarantees in NNN Leases: A Landlord's Guide.

Clear Existing Defaults Before You Sign

A new assignee does not erase the existing file history. Before consent, reconcile the current tenant's status across rent, NNN charges, CAM reconciliation, maintenance obligations, insurance, reporting, and notices.

Create a written list of open items. Look for:

• Unpaid base rent, late fees, NNN charges, tax reimbursements, or CAM balances.
• Unresolved maintenance, repair, or compliance obligations.
• Expired or missing certificates of insurance.
• Notice disputes, claimed landlord defaults, side agreements, or pending requests for credits.
• Outstanding tenant-delivery items, such as financial reports or sales reports where the lease requires them.

The goal is not to turn a consent into a surprise negotiation. It is to make sure the parties and counsel see the same open items before documents are signed. If a default can be cured as part of the transaction, identify the cure, deadline, and evidence you need to close it out.

Review the Document Package as One Set

The signed consent is only one part of the record. Ask counsel to confirm that the package works together and matches the lease.

Your file will commonly need some combination of an assignment agreement, the assignee's assumption of lease obligations, landlord consent, new or replacement guaranty, guarantor acknowledgment, and documents addressing the security deposit or letter of credit. The exact documents and signatories depend on the lease and the deal.

Before execution, confirm the basics:

• The legal names and entity types match the lease, formation records, and signature blocks.
• The effective date is clear and lines up with possession, billing, and insurance dates.
• The assignee expressly assumes the obligations the documents intend it to assume.
• The consent states what happens to the assignor and existing guarantors rather than leaving that result implied.
• No document accidentally waives an existing default, changes the use clause, extends the term, or modifies economic terms unless that change is intentional and documented.
• All required approvals, notices, and exhibits are attached before the final version circulates for signature.

Keep the fully executed documents with the lease, not only in the closing email thread.

Update Notices, Insurance, and Security

Once the parties are ready to close, operational details matter as much as the signature page.

Notice and billing addresses. Obtain the assignee's formal notice address, billing contact, accounts-payable contact, property-level contact, and any required email addresses. Update the address exactly as the lease and consent require. A casual email signature is not a substitute for the notice information in your records.

Insurance. Require current certificates and endorsements in the form and limits the lease requires, effective no later than the assignment date. Confirm named insureds, additional insured status where required, policy dates, and delivery contacts. If the tenant has insurance obligations tied to a guarantor, lender, or franchise relationship, make sure those are reviewed as part of the transaction.

Security deposit or letter of credit. Verify what you currently hold, who owns the account or instrument, the balance or face amount, expiration date, draw conditions, and notice requirements. Do not simply relabel the security in your spreadsheet. The lease and counsel should determine whether it stays in place, is assigned, is replaced, or requires an amendment.

The same discipline applies to deadline tracking. Commercial Lease Notice Timeline: Landlord Checklist can help you separate contractual notice dates from ordinary operational follow-up.

Close the File by Updating the Operating Record

After the assignment is effective, your lease abstract, rent roll, accounting records, and calendar should all tell the same story.

Update the tenant's legal name, operating name if relevant, entity details, contacts, notice address, billing setup, guarantor status, deposit or letter-of-credit details, insurance expiration dates, and the effective date of the assignment. Attach the executed documents to the lease record and preserve the prior tenant's information so the history is clear.

Then create calendar items for the obligations that remain alive: rent and escalation dates, insurance renewals, letter-of-credit expiration and replacement notice dates, CAM or NNN reconciliation dates, renewal options, and any post-closing cure deadlines.

A clean consent file gives you a practical answer to the question that matters later: who owes what, under which document, and by when?

A Short Pre-Consent Checklist

Before you authorize a commercial lease assignment and assumption, confirm that you have:

1. Reviewed the complete lease file and transfer clause. 2. Identified every consent right, condition, election, fee, and response deadline. 3. Underwritten the assignee and evaluated any proposed guarantor. 4. Reconciled existing defaults and documented the cure plan. 5. Had counsel review the transaction documents and release language. 6. Confirmed notices, insurance, deposits, and letters of credit are handled correctly. 7. Updated the lease record, rent roll, and calendar after execution.

The paperwork may close in a day. The record you build is what protects the landlord through the rest of the lease term.

Keep Consent Work From Becoming a File Hunt

An assignment request is much easier to manage when the lease, amendments, insurance dates, contacts, and critical deadlines live in one operating record instead of scattered inboxes and spreadsheets.

Visit PigJet to see how commercial landlords keep lease obligations and key dates organized across their portfolio.