Why It Matters
Lenders use lockout periods to protect their interest income. When a borrower takes out a commercial loan, the lender prices in years of future interest payments. If the borrower pays off the loan in month six, the lender loses that projected income stream. The lockout clause prevents that scenario by making early payoff temporarily impossible, not just costly.
Unlike a prepayment penalty, which charges a fee for early payoff, a lockout period is an outright prohibition — no amount of money will let the borrower exit early during the lockout window.
At a Glance
- Common in CMBS (commercial mortgage-backed securities) and agency multifamily loans
- Lockout windows typically run 1–5 years from loan origination
- After lockout expires, other prepayment restrictions (yield maintenance or defeasance) usually apply
- Applies to commercial loans; residential mortgages use prepayment penalties instead
- Violating a lockout is not possible — the servicer will not accept early payoff
- Refinancing during lockout requires either assumption or a property sale that pays off the mortgage at closing
How It Works
The lockout clause is written directly into the loan agreement. When a borrower closes a commercial loan — most often a CMBS loan or a Fannie Mae/Freddie Mac multifamily loan — the promissory note specifies a lockout start date and end date. During that window, the loan servicer is contractually barred from accepting a full payoff. The borrower cannot refinance, sell and fully pay off the note, or otherwise retire the debt early.
Prepayment structures typically stack in sequence. A standard commercial loan might look like this: a 2-year lockout, followed by 3 years of yield maintenance, followed by 1 year of a stepped-down prepayment penalty, and then open prepayment for the final year before maturity. Each phase transitions automatically by date. The lockout is always first because it is the most restrictive; the lender's need for income protection is greatest in the early years when outstanding principal — and therefore interest — is highest.
Property sales during lockout require creative handling. If an investor needs to sell during the lockout window, the buyer typically must assume the existing loan rather than the seller paying it off. Loan assumption passes the debt to the new owner, which satisfies the transfer without triggering a payoff. Not all loans are assumable, and assumption requires lender approval — adding time and cost to the transaction. In some cases, a lockout effectively traps the property until the window closes.
Real-World Example
Kevin, a real estate investor in Atlanta, acquired a 24-unit apartment complex using a 10-year CMBS loan at a competitive fixed rate. The loan came with a 3-year lockout, followed by yield maintenance through year eight, and open prepayment in years nine and ten.
Eighteen months after closing, a large operator approached Kevin with an above-market offer for the property. Kevin ran the numbers — the sale price would net him a strong return. But when he called the loan servicer, the answer was clear: the lockout prevented any early payoff for another 18 months.
Kevin had two options. He could negotiate a loan assumption with the buyer — letting the buyer take over his CMBS loan — or he could decline the offer and wait until the lockout expired. The buyer was unwilling to assume the loan because of its assumability conditions, so Kevin turned down the offer. When the lockout expired, he refinanced into a new loan and used the equity to fund his next acquisition.
Pros & Cons
- Lowers the borrower's interest rate — lenders reward lockout acceptance with better pricing because income certainty reduces their risk
- Supports long-term hold strategies — investors who plan to hold for the full loan term are unaffected and benefit from the rate discount
- Common in well-structured agency loans — CMBS and Fannie/Freddie multifamily loans with lockouts are often the most competitively priced products in commercial lending
- Predictable loan structure — lockout dates are fixed, so investors can plan around them with precision
- No surprise fees during lockout — the prohibition is absolute, so there is no ambiguity about early exit costs
- Removes flexibility completely — unlike a prepayment penalty, there is no paying your way out; exit is impossible until the window closes
- Can block opportunistic sales — a strong market, a compelling offer, or a forced sale situation cannot be accommodated during the lockout
- Limits refinancing options — even if interest rates drop significantly, the borrower cannot refinance to capture savings
- Assumption complexity — the only workaround (loan assumption) requires lender approval and adds weeks or months to a transaction
- Can compound with other prepayment penalties — after lockout expires, yield maintenance or defeasance may still make early exit expensive
Watch Out
Confirm the lockout end date before you sign. Loan documents sometimes express lockout duration as a number of months from origination, not from closing. If closing is delayed, the lockout clock may start before you control the asset. Verify the exact calendar date the lockout expires.
Understand what follows the lockout. Some borrowers assume the loan becomes freely prepayable once the lockout ends. In most CMBS and agency loans, yield maintenance or defeasance replaces the lockout — and those mechanisms can be just as costly. Read the full prepayment schedule, not just the lockout clause.
Factor lockout into your exit strategy before acquisition. If you acquire with a 3-year lockout and your business plan projects a sale at year two (refinance, value-add exit, or partnership buyout), the lockout will directly conflict. Model multiple exit timelines and confirm each one against the prepayment schedule during due diligence.
Loan assumption is not guaranteed. Assumption is the primary workaround during lockout, but it requires lender consent, a creditworthy buyer, and often an assumption fee. Underwrite that process realistically — it is not a simple pivot.
The Takeaway
A lockout period is a hard prohibition on early loan repayment that protects a lender's interest income during the early years of a commercial loan. Borrowers who accept a lockout often receive better rates, but they trade away flexibility. Understanding the lockout window — and what comes after it — is essential before committing to any commercial financing.