The mortgage rate lock narrative has become a catch-all explanation for tight inventory, but on-the-ground evidence suggests it applies to a far narrower slice of the market than conventional wisdom assumes.
The rate-lock story has become one of the most repeated explanations in residential real estate: millions of homeowners are sitting on 2.5% and 3% mortgages, unwilling to trade them in for today’s rates, and their reluctance is strangling inventory. It’s a tidy narrative. According to Jennifer Blanchard, Sales Associate and Team Lead at The Blanchard Team | BHHS Fox & Roach, REALTORS, it’s also significantly overstated, at least in the Somerset County, New Jersey market where she has worked for 24 years.
Blanchard says that when she examines why her recent seller clients were selling and where they were going, a pattern emerges that complicates the rate lock story considerably. A substantial portion of those sellers didn’t have a mortgage to lock in.
Many had owned their homes long enough to pay off their mortgages entirely, or they weren’t moving into a situation that required new financing. “A lot of them didn’t even have a mortgage on their home,” Blanchard says.
For these sellers, many of them older homeowners who have built substantial equity over decades, the rate environment is largely irrelevant. They are converting equity into cash and either downsizing into a smaller property purchased outright or transitioning to a different living arrangement entirely.
Where Rate Lock Actually Bites
Blanchard is not dismissing the rate lock effect entirely. She acknowledges it is a real factor in the inventory picture. But she argues it is concentrated in a specific, often overlooked segment: move-up buyers who need to sell a starter or mid-tier home to fund the purchase of a larger home.
These buyers hold 3 percent mortgages on smaller homes and want to move into something bigger, but doing so means selling and borrowing at today’s higher rates. The cost difference is steep enough that many are staying put. “They’re making do in the house that they’re in,” Blanchard says.
This distinction matters because it points to where the inventory shortage is actually most acute. It is not primarily because affluent, equity-rich homeowners are refusing to sell; they don’t want to give up a low rate. It is the owners of smaller, more affordable homes, the entry-level and lower-mid-tier inventory that first-time buyers and young families depend on, who are the ones genuinely constrained by the rate differential. “The houses at the lower end of the spectrum, pricing-wise, they’re not available because those particular sellers are locked in,” Blanchard says.
The Equity Escape Valve
For sellers with significant home equity, the rate environment operates differently than the national narrative suggests. In a market like Somerset County, where home values have appreciated substantially over the past decade, many homeowners approaching a move have accumulated enough equity to make a cash purchase on their next property, rendering the rate question moot.
“When you’re downsizing, that’s almost not relevant, especially in our market,” Blanchard says, “because you either have so much equity in your house that you’ll buy your next house with cash.”
This is a market-specific dynamic that national data tends to flatten. In high-appreciation markets across the Northeast, equity accumulation has been steep enough that a meaningful share of sellers are effectively operating outside the mortgage system on their next transaction. The rate lock narrative, built largely on national averages, may accurately describe conditions in markets with lower appreciation and less equity accumulation, but applying it uniformly to high-equity Northeast markets produces a distorted picture.
The industry implication is significant. If inventory strategies, whether from policymakers, lenders, or brokerages, are designed around the assumption that rate lock is the primary driver of seller reluctance, they may be targeting the wrong problem in markets where equity wealth has already neutralized that constraint for a large portion of potential sellers.
What’s Keeping Inventory Tight
If rate lock is only part of the story, what else is holding inventory down? Blanchard points to structural factors rather than financial ones. School district quality creates strong attachment to specific communities. Geographic advantages, New Jersey’s access to mountains, beaches, and New York City within an hour, make leaving feel costly even when the financial math would support a move. And in a market where well-priced homes routinely attract multiple offers, sellers who don’t have a compelling reason to move are simply choosing not to.
“The schools are still good, the commute is still easy, the buyers are still there,” Blanchard says. New construction has not provided relief. Blanchard says what little new construction exists in the Somerset County area is priced at a level most buyers cannot reach, leaving the resale market to absorb demand that new supply is not addressing.
The result is a market where inventory remains compressed not because of a single, easily addressable financial constraint, but because of overlapping structural factors unlikely to ease in the near term, regardless of what happens to mortgage rates.
Reframing the Conversation for Buyers and Sellers
Beyond the inventory question, these dynamics are also reshaping how agents advise clients in high-equity markets. Blanchard, whose team operates across Somerset, Hunterdon, Morris, and Union counties under the BHHS Fox & Roach network, says part of her role is helping clients separate the national narrative from local reality, including the rate lock story, which she finds shapes seller expectations in ways that don’t always match their actual situation.
For sellers who have paid off their mortgages or are planning cash purchases on their next home, the rate conversation is often a distraction from more relevant considerations: timing, pricing strategy, and understanding what the local buyer pool actually looks like.
“I see my job as making the market work for you, whatever the market might be doing,” Blanchard says. Her approach centers on helping clients understand their options and then letting them decide, built around the idea that life events, not financial conditions, ultimately drive most real estate decisions.
As the industry continues to debate the causes of inventory compression, Blanchard’s experience suggests that a more granular, segment-specific analysis of seller behavior may yield more useful insights than the broad rate-lock narrative currently dominating the conversation. Whether other agents in high-equity Northeast markets are reaching similar conclusions remains an open question, but the gap between national explanations and local experience appears to be widening.
About the Expert: Jennifer Blanchard is the team lead of The Blanchard Team at Berkshire Hathaway HomeServices Fox & Roach, REALTORS, with 24 years of experience selling real estate in Somerset County, New Jersey.
