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What is a rate lock?

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

A rate lock freezes your interest rate for a set period — commonly 30, 45, or 60 days — so market moves don't change your rate before closing. Once locked, your rate holds as long as you close in time.

Longer locks cost slightly more. Most Florida purchases close within a 45-day lock. We help you time the lock to protect your rate without overpaying for extra days.

Locking in your rate

A rate lock is a lender's promise to hold your interest rate for a set time, usually 30 to 60 days, while your loan closes. Once locked, market swings will not change your rate.

It shields you from rising rates during the weeks between contract and closing.

When to lock

You usually lock once you have a signed purchase contract and a rate you are happy with. If the lock might expire before closing, an extension is available for a fee.

We help you time the lock to protect your rate. Reach out and we will guide you on when to lock.

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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 Rates Questions

How long can I lock my mortgage rate?A rate lock period commonly runs 30 to 60 days, and longer locks of 90 days or more are available for a higher cost, useful for new construction or extended closings.What happens if rates drop after I lock?If rates drop after locking, your locked rate normally stays put — but many lenders offer a one-time float-down option that lets you capture a lower rate if it falls significantly before closing.What is a float-down option?A float-down is a feature on a locked rate that lets you move to a lower rate one time if the market drops by a set amount before closing.
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