Should You Sell Your House With a Low Mortgage Rate? Here's the Real Math

If you bought or refinanced during COVID, somewhere around 2020-2022, you're probably sitting on a mortgage rate that feels untouchable. 3%. Maybe even lower. And the idea of giving that up to buy at today's rates? It feels like financial self-sabotage.

I get this question constantly from homeowners: "I'd love to move, but I can't give up my rate."

Here's the thing nobody tells you: that low rate isn't the only number that matters anymore. Your equity has probably grown more than you realize, and once you factor that in, the math looks different than it did a year ago.

Why This Feels Impossible (And Why That's Normal)

Let's say you bought a home in 2021 for $350,000 at a 2.75% rate. Your monthly principal and interest payment is locked in low, and it feels like the deal of a lifetime. Selling means trading that in for a new loan at today's rates, on a more expensive home. On paper, that sounds like a step backward.

But that 2021 home? It's probably worth $450,000 to $480,000 now, depending on your area. That's $100,000+ in equity you didn't have before. That equity doesn't disappear when you sell. It comes with you, and it changes what your next purchase actually costs.

The Math People Skip

Here's a simplified version of the comparison I run for clients:

Staying put:

• Current home value: $460,000
• Remaining mortgage balance: $310,000
• Monthly payment (locked rate): roughly $1,650

Selling and moving up:

• Sell price: $460,000
• Payoff existing mortgage: $310,000
• Equity to bring to next purchase: roughly $150,000 (before closing costs and commission)
• New home price: $550,000
• New loan amount after applying equity: roughly $400,000
• Monthly payment at today's rate: higher than $1,650, no question

So yes, the new payment is bigger. That part is true. But the comparison isn't "$1,650 forever" versus "a bigger payment forever." It's "$1,650 in a home that no longer fits your life" versus "a bigger payment in a home that actually works for you, funded in large part by equity you already earned."

For some people, the math still says stay. For others, especially those who are cramped, need to relocate for work or family, or are sitting on enough equity to put a serious dent in the new loan, the math says the move is more affordable than it looks at first glance.

What Actually Determines the Answer

There's no universal answer here. It depends on:

• How much equity you've actually built (not guessed at, calculated)
• What your new target price range looks like
• Whether you need a bigger loan or a smaller one after the equity transfers over
• How long you plan to stay in the next home
• Your personal "why" — more space, downsizing, relocating, school districts

This is exactly why I don't hand people a generic rule of thumb. I run a real side-by-side: your actual numbers, your actual equity, your actual target market, current rates included. No pressure, just real numbers so you can decide for yourself instead of guessing.

The Bottom Line

Your low rate was a great deal in 2021. It doesn't have to be the thing holding you hostage in 2026. Equity is real money, and for a lot of homeowners across Somerset, Mercer, Burlington, Camden, and Gloucester counties, it's enough to make a move make sense, even with rates where they are.

If you've been quietly wondering whether you're actually stuck or just assume you are, let's find out for sure.

Curious what your numbers actually look like? Text me at (609) 277-3257 and I'll run a free side-by-side for your specific situation.

Tameka Tjerrell is a Realtor® licensed in NJ and PA. Reach out at SoldByTameka.com.