What happens when you buy a tenant occupied home in Montgomery, IL?
When you buy a tenant occupied home in Montgomery, the lease generally comes with the house, so you step into the seller’s shoes as landlord on the day you close. Illinois law also makes you liable to the tenant for any security deposit and prepaid rent they paid the seller, even if the seller never hands that money to you. Your contract, your lender, and your closing paperwork need to plan for all of it before you sign.
By Kealan O’Neil | October 31, 2026
A tenant occupied home can look like a shortcut. The rent starts on day one, the house is already furnished with a paying occupant, and the seller may price it to move.
The questions people ask online tell a different story. Threads on r/RealEstate, r/realestateinvesting, and BiggerPockets keep circling the same worries: a deposit that never shows up at closing, a lease nobody read, rent that nobody prorated, and a tenant who won’t open the door for the inspector.
These questions matter in Montgomery, too. The village sits in both Kane and Kendall counties, it has a mix of older homes near the river and newer subdivisions, and new construction plans keep coming before the village board. Here are the five costly misses I see buyers make, and how to avoid each one in Chicago’s Western Suburbs.
Lease and deposit misses on a tenant occupied home
Miss 1: Assuming the lease ends when the sale closes
It usually doesn’t. Illinois treats the lease as something that travels with the property, so a sale alone doesn’t cancel it.
Under 735 ILCS 5/9-216, tenants keep the same remedies against the landlord’s grantees that they had against the original landlord. The companion section, 9-215, gives you, as the new owner, the same remedies the seller had to collect rent and enforce the lease.
In plain terms, you get the rent and the right to enforce the lease, and you also inherit the promises in it. If the lease runs another eight months at a rent below market, that’s your deal now.
Month-to-month tenants work differently
If the tenant is month to month, the timeline is shorter but not instant. Under 735 ILCS 5/9-207, a landlord ends a tenancy of less than a year, other than week to week, with 30 days’ written notice.
That notice has to come from whoever is the landlord at the time it’s served. Decide with your attorney whether the seller should serve it before closing or you should serve it after, because the answer changes who carries the risk if the tenant stays.
Plan for the tenant who doesn’t leave
If you need the house empty to move in, a promise that the tenant “will be out” isn’t enough. If a tenant holds over, the remedy is an eviction case in the circuit court of the county where the home sits, and in Montgomery that could be Kane or Kendall.
Ask your attorney about tying closing to delivery of a vacant home, or about a holdback or credit if the unit isn’t empty on time.
Miss 2: Letting the security deposit disappear
This is the miss that costs real money. Under 765 ILCS 710/1.1, when a landlord sells residential property, the buyer becomes liable to the tenant for any security deposit, including statutory interest, and any prepaid rent the tenant paid the seller.
The seller stays jointly and severally liable too. But if the seller spent the deposit and moved out of state, the tenant can come to you for it when they move out.
So your contract and closing statement should show the deposit, and any prepaid rent, credited to you at closing. Get the number in writing from the lease, then confirm it with the tenant.
Ask for a tenant estoppel letter
An estoppel letter is a short statement signed by the tenant that confirms the rent, the deposit amount, the lease dates, any prepaid rent, and any side deals with the seller. Illinois doesn’t require one for a single home, so you have to ask for it in your contract.
It protects you from finding out after closing that the tenant paid two months up front or was promised a new kitchen. If the tenant’s numbers don’t match the seller’s, you want to know that during attorney review, not after you own the house.
Money and loan misses Montgomery buyers make
Miss 3: Forgetting that rent and the water bill both prorate
On a tenant occupied home, rent is income you’re buying, so it gets split at closing just like property taxes. The Illinois Multi-Board residential contract commonly used in this area lists rents and tenant deposits among the items prorated at closing. Ask your attorney to confirm how your version handles it.
Here’s how it works in practice. If the tenant paid the seller the full month’s rent on the first and you close mid-month, the seller should credit you for the days you own the house.
Montgomery’s final water bill has its own rules
The Village of Montgomery Final Water Bill page says requests for a final bill must be submitted at least three full business days in advance. Once processed, the village notifies Fox Metro, which handles wastewater treatment, about the change.
The village offers two separate forms: a Transfer of Ownership Final Read Request for closings and a Rental/Tenant Final Read Request for tenant move-outs. The tenant form also tells landlords that, as the property owner, it’s their responsibility to pay any outstanding balance if the tenant neglects to pay.
That matters on a tenant occupied home. If the tenant pays the water bill under the lease, an unpaid balance can still land on the owner, so your attorney should confirm the account is current through closing.
Miss 4: Choosing the wrong loan for your tenant occupied home
Your plan for the tenant and your loan have to match. If you’re buying a tenant occupied home to live in, owner-occupant financing comes with an occupancy promise.
For FHA loans, HUD Handbook 4000.1 says at least one borrower must occupy the property within 60 days of signing the security instrument and intend to keep living there for at least one year. Conventional mortgages carry their own occupancy covenant, so ask your lender for the exact terms on your loan.
A lease that runs well past your move-in deadline can put you in a bind. Tell your lender up front that the home is occupied by a tenant, and make sure the vacancy date works with the occupancy rule.
Buying it as a rental instead
If you plan to keep the tenant, your lender treats the purchase as an investment, with different down payment and rate terms. Fannie Mae’s Selling Guide says that when a lease is being transferred to the borrower and the lender is using that rental income, it needs a copy of the fully executed lease plus a comparable rent schedule or small residential income appraisal report.
If market rent doesn’t support the lease rent, the lender has to dig further or may use the lower figure. I covered the broader cost side in my post on investment property costs buyers miss, so here I’ll stay on the mid-deal mechanics.
Access misses before the closing table
Miss 5: Skipping the inspection and walkthrough because someone lives there
Living tenants can make access to a tenant occupied home harder, but it doesn’t make an inspection optional. Your inspection contingency has a deadline, and if it passes without access, you may lose the right to cancel on that basis.
Write seller cooperation on access into the contract, give the tenant reasonable notice through the seller, and ask for an extension in writing if the tenant won’t allow entry. Don’t let the clock run out while you wait.
The final walkthrough matters even more on a tenant occupied home. If the tenant is moving out, you’re checking for damage and belongings left behind.
If they’re staying, you’re confirming the condition you’re buying. My guide to the final walkthrough mistakes buyers make covers what to look at.
How to buy a tenant occupied home in Montgomery: 5 steps
Use this order so nothing gets missed between your offer and the closing table.
- Get the lease before you offer. Before you offer on a tenant occupied home, read the lease, every amendment, and any notices, and note the end date, rent, deposit, and who pays utilities.
- Decide your plan for the tenant. Choose whether you will live there or keep it as a rental, and match that plan to your loan type and its occupancy rules.
- Write the protections into the contract. Ask for an estoppel letter, access for inspections, a deposit and prepaid rent credit, and a vacancy date if you need the home empty.
- Confirm the money during attorney review. Compare the estoppel letter to the lease and seller’s numbers, and settle how rent and deposits prorate.
- Close out the utilities and walk through. Make sure the Montgomery final water read request is in at least three full business days before closing, then do your final walkthrough.
If the seller is the one staying after closing instead of a tenant, that’s a different arrangement. My post on rent back agreement mistakes sellers make walks through how those work.
Questions Montgomery buyers ask about homes with tenants
Can I make the tenant move out when I buy the house?
Who owes the tenant their security deposit after the sale?
What is a tenant estoppel letter?
Can I use an FHA loan on a home with a tenant?
Who pays the Montgomery water bill if the tenant doesn’t?
A tenant occupied home can be a smart purchase when the lease, the deposit, and your loan all line up before you sign. If you’re looking at a home with a tenant in Montgomery, Oswego, or Yorkville, I’ll read the lease with you, flag what to ask for in the contract, and coordinate with your attorney and lender so closing day holds no surprises. Call or text Kealan at 630-425-8815.
About Kealan O’Neil
Kealan O’Neil is the Designated Managing Broker and founder of O’Neil Property Group, an independent real estate brokerage based in Yorkville, Illinois. He and his team help buyers and sellers in Yorkville, Oswego, Montgomery, and the surrounding Kendall and Kane County communities, and he owns and manages a local rental portfolio, so he approaches every decision as both a broker and an investor. Call or text Kealan at 630-425-8815.
This post is general information about real estate in the Fox Valley, not legal, tax, or financial advice. Real estate laws, tax rules, and municipal ordinances change, and how they apply depends on your specific situation. Talk with a licensed attorney, CPA, or lender before making decisions about a purchase, sale, or tax matter. O’Neil Property Group is a licensed Illinois real estate brokerage.