Rate-Lock Extensions vs Float-Downs in September 2026: What Agents Should Put in Writing

· Guide · 2 min read

The first week of September 2026 is when summer contracts that were supposed to fund “before school starts” miss the lock by two to five days. The listing stays “pending.” The buyer’s loan estimate is stale. Nobody wrote down who pays the extension.

Agents do not set rates. They document the clock. Compare that habit in city rankings or near you, then read our 2026 pre-approval walkthrough so you are not treating a pre-qual letter as a lock.

Two products, two failure modes

What belongs in the transaction file this week

  1. Lock confirmation: rate, points, expiration date and time zone, extension menu, float-down yes/no.
  2. A one-line allocation: who pays the first extension if appraisal is late vs if seller repair is late.
  3. Closer’s actual funding cut-off, not MLS “on or before.”
  4. If the house is vacant or in probate, say so — those files eat lock days. Personal property still is not the house; see art vs realty in estate sales.

Questions a buyer agent should ask the lender, not the listing flyer

  1. “What does a 7-day extension cost in dollars and in price adjustment, as of today?”
  2. “Is there a float-down, what is the threshold, and is it still available after an extension?”
  3. “If we miss this lock, do we re-lock at worst-case worse, or at then-current pricing?”

Put the answers in the same thread as the purchase agreement. A verbal ‘the desk is flexible’ is not a lock product. Browse agents who actually close delayed files in Boston, Miami, or your metro list.

Frequently Asked Questions

Is a float-down the same as extending a lock?
No. An extension keeps the same rate longer, usually for a fee or by worsening points. A float-down (if the lender offers one) lets the rate drop if market rates fall before closing, often with a floor, a window, and a one-time use rule.
Who should pay a lock extension?
Write it before the first delay. Seller-caused repairs, HOA estoppel, and lender underwriting each point to a different payer. ‘We’ll sort it at the table’ is how buyers eat 0.125–0.250 in extra cost without a paper trail.
What date should be on the lock?
Lock expiration must outlast the latest of: inspection resolution, appraisal delivery, HOA docs, and the funding cut-off your closer actually uses — not the contract closing date the listing agent put in MLS.
Can the listing agent quote a rate?
They can relay what the buyer’s lender said in writing. Inventing a lock quote on a walkthrough is how you create a duty you do not hold. See the pre-approval guide on this site.