HomeGlossaryLock-In Period
Mortgage Glossary

Lock-In Period

Defined by Onias Derilus, Mortgage Capital · NMLS# 1859012 · Florida licensed mortgage broker

A lock-in period is the window during which a lender guarantees a quoted interest rate while the lender processes the loan.

What Lock-In Period means

Common locks run 30, 45, or 60 days. If the loan does not close in time, the lock can expire and may require a costly extension. Locking protects the borrower from rate increases during processing.

Florida example

A buyer locked a 6.5% rate for 45 days on a Tampa purchase; when closing slipped a week, the lender extended the lock to keep the rate.

What it is

The lock-in period is the window your lender holds your quoted rate. Common ones run 30, 45, or 60 days.

Close within it and your rate is protected.

How to use it

Match your lock-in period to your closing date so the rate holds. A lock that expires early can cost a fee.

We time your lock to your closing. Reach out and we will protect your rate at the right moment.

Related program: Learn more →

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Official resources

Verify the details for your own situation against these government and agency sources: Freddie Mac Primary Mortgage Market Survey and Federal Reserve H.15 selected rates.

Related Mortgage Terms

Manual UnderwritingManual underwriting is a hands-on loan review by a person. It is used when software cannot approve the file. A real underwriter reads your full story.Manufactured Home LoanA manufactured home loan pays for a factory-built home on a permanent foundation. These loans have their own rules.MarginA margin is the fixed percentage a lender adds to the index to set an adjustable-rate mortgage's fully indexed rate.
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