What Happens When a Commercial Property Is Sold With Existing Tenants?

 Posted on April 19, 2026 in Commercial Real Estate

When a commercial property is sold with tenants already in place, those tenants generally have the right to stay through the end of their lease. The new owner takes over all the rights and responsibilities that came with the existing leases. How smoothly that goes depends on what the leases say and how well the sale is handled. If you are buying or selling a commercial property with tenants in place in 2026, our Oak Brook, IL commercial real estate lawyers can help you work through the details before anything goes wrong.

What Does the Buyer Actually Take On When Buying a Commercial Property With Tenants?

When you buy a commercial property with tenants, you are not just buying a building. You are taking on a set of existing legal agreements. Every lease that was in place before the sale is now your responsibility. That includes the agreed-upon rent, any options the tenant has to renew or expand, any free rent periods that were promised, and any landlord obligations that have not been fulfilled yet, such as promised repairs or improvements.

Before closing, you need to know exactly what those obligations are. Finding out after the sale can be expensive and hard to fix.

What Is a Lease Assignment and Why Does It Matter?

When a property is sold, the leases are passed from the seller to the buyer. This is called a lease assignment, and it officially makes the buyer the new landlord. Most commercial leases allow this to happen automatically when a property sells. However, some leases require the tenant's written consent before an assignment can take place. If the seller skips that step when it is required, it can create legal problems that slow down or even cancel the sale.

This is why reading every lease carefully before signing a purchase agreement is so important. The leases are just as much a part of the deal as the building itself.

What Should Illinois Commercial Real Estate Buyers Look for in Existing Leases?

What is written in the leases can have a big impact on what the property is actually worth. Some key things buyers need to look at include:

• When each lease ends, and whether the tenant can renew

• Rent escalation clauses that change how much tenants pay over time

• Exclusivity clauses that limit what other businesses can operate on the property

• Co-tenancy clauses that let a tenant pay less rent or leave if certain conditions are not met

• Tenant improvement allowances that the landlord still owes

• Any personal guarantees tied to the lease

Each of these affects how much income the property will bring in and what you will be responsible for as the new owner.

What Are Estoppel Certificates and Why Are They Used in IL?

An estoppel certificate is a document a tenant signs to confirm the current status of their lease. It spells out things like the lease start and end dates, the current rent amount, whether the landlord has kept up with their obligations, and whether the tenant has any open disputes or claims. Buyers use these documents to verify that the leases are actually what the seller says they are.

If a tenant refuses to sign one or raises concerns in the process, that is worth paying close attention to before the sale closes. Many commercial leases in Illinois also include a specific requirement that tenants provide estoppel certificates within a set number of days when asked.

What Happens to Security Deposits When You Purchase a Commercial Property With Tenants in Illinois?

Security deposits held by the seller need to be transferred to the buyer at closing. Once the sale is done, the buyer is responsible for returning those deposits to tenants when their leases end. If the seller keeps the deposits and does not hand them over, the buyer can still be on the hook to the tenants.

Under the Illinois Security Deposit Return Act, 765 ILCS 710, landlords are required to return security deposits in accordance with the terms of the lease, and that obligation transfers to the new owner when a property is sold. This needs to be spelled out clearly in the purchase agreement so there is no confusion about who holds what after the sale is complete.

Do Tenants Have To Be Notified of a Commercial Property Sale?

Tenants need to be told in writing when the property changes hands. The notice should tell them who the new owner is, where to send rent going forward, and who to contact for maintenance or other issues. Not notifying tenants quickly can lead to confusion, missed payments going to the wrong person, and a rocky start to the new ownership relationship.

Contact Our Naperville, IL Commercial Real Estate Attorneys for Commercial Leasing Representation, Negotiation, and Preparation

Buying or selling a commercial property with tenants in place involves a lot of moving parts, and the leases at the center of the deal deserve careful attention. Attorney Dennis Lindell holds an advanced real estate degree and focuses on the transactional side of real estate, structuring, drafting, and negotiating the contracts and agreements that make deals work. Attorney Vincent Tessitore brings experience representing both borrowers and lenders, giving the firm a well-rounded view of how these deals come together from every angle.

Call Lindell & Tessitore, P.C. at 630-778-3818 to talk to our Oak Brook, IL commercial real estate lawyers today.