Buyer Education · August 25, 2026 · 8 min read

The Break-Even Clock: Rent vs. Buy Math in Maryland

Last Tuesday I sat across from a couple in Bel Air who'd been renting the same townhouse for four years. Same complex, same floorplan as the unit next door that just went up for sale. They wanted to know if they should buy it.

I pulled out my phone and opened the calculator app right there at the kitchen table. Not a mortgage calculator. Just the basic one. Because the rent-versus-buy question isn't really about monthly payments. It's about time.

The Number Nobody Calculates

Everyone asks, "What's the monthly payment?" Almost nobody asks, "How long until buying this thing actually costs me less than continuing to rent it?"

That's your break-even point. And in the Baltimore-Washington corridor right now, it matters more than it has in years.

Here's why: buying a home front-loads a pile of costs that vanish into thin air if you move too soon. Closing costs in Maryland typically run 2-3% for buyers even after the NAR settlement changes. A $350,000 home in Harford County? You're spending $7,000-$10,500 on title insurance, transfer taxes, attorney fees, inspections, and appraisal before you even get the keys. Then there's the 5-6% you'll pay a listing agent when you sell (yes, you still pay your own agent to list it, even though buyer-agent compensation shifted).

Rent doesn't have that. You pay first month, last month, maybe a security deposit, and you're in.

So the question isn't whether the mortgage payment is close to your rent. The question is how many months of rent you need to "save" by owning before you recover those sunk costs.

How I Actually Run the Numbers

I'm not going to pretend there's one magic formula. The New York Times has a detailed rent-vs-buy calculator that's honestly pretty good, but let me walk you through the back-of-napkin version I use with clients.

Start with the one-time costs of buying:

Then the ongoing monthly differences:

Minus what you'd pay renting:

Don't forget the benefits of owning:

The break-even point is roughly: (One-time costs) ÷ (Monthly savings from owning, after counting principal paydown and tax benefits)

If that number is 36 months and you're planning to move in two years, don't buy. If it's 48 months and you're here for a decade, buying probably makes sense.

What the Math Looks Like in Real Counties

Let me ground this with real numbers from three different markets I serve.

Harford County: A $375,000 single-family home in Bel Air or Fallston.

Comparable rent in the same neighborhood? About $2,400.

Wait, you say. That's $400 more per month to own.

Right. But $600 of that $1,900 mortgage payment is principal. You're keeping that. So the real comparison is $2,200 in costs you'll never see again (rent) versus $2,200 in costs you'll never see again (everything but the principal).

Break-even after upfront costs? Roughly 16 months. If you're staying longer than that, the Harford County math tilts toward buying. You can browse current homes for sale in Harford County to see what's actually available right now.

Howard County: A $475,000 townhome in Ellicott City.

Comparable rent? Around $2,800.

You're "losing" $720/month in housing costs, but keeping ~$750/month in principal. Slightly cash-flow positive in real terms. Break-even on upfront costs: about 19 months. Still reasonable if you're planning to stay.

Baltimore City: A $280,000 rowhome in Canton or Fells Point.

Comparable rent? About $1,850.

Nearly identical cash flow. But you're building $450/month in equity through principal. Break-even: 15-16 months. This is why I tell a lot of young professionals in Baltimore City to stop waiting. If you're staying two years, the math works.

When Renting Still Wins

I'm a realtor. I get paid when people buy and sell. So believe me when I say: sometimes renting is the smarter move.

You're genuinely unsure about the area. If you took a contract job in Montgomery County and you're not sure you'll stay in the DMV, rent. The break-even math only works if you stay long enough to reach it.

The market is overheated in your target neighborhood. Right now? Most of our corridor isn't overheated. But if you're looking at a pocket of Anne Arundel County where prices jumped 18% in twelve months and every offer is $40K over ask, maybe wait. Rent gives you patience.

You have no emergency fund. Homeownership will find your weaknesses. The furnace will die the week after closing. If you're scraping together the down payment and have nothing left over, you're not ready. I've seen this end badly.

Your job is unstable. A mortgage is a 30-year promise. If there's a restructuring coming or your industry is shaky, the flexibility of a lease is worth the cost.

The Hidden Variable: Opportunity Cost

Here's the piece most online calculators miss. What else could you do with that down payment?

If you're sitting on $75,000 for a 20% down payment and you're earning 4.5% in a high-yield savings account or money market, that's $3,375 a year you're giving up when you convert it to home equity. Does the monthly savings from owning (plus appreciation) beat that? Sometimes yes, sometimes no.

I had a client last year in Cecil County who ran this math and decided to put 10% down instead of 20%, keep the other 10% invested, and pay PMI for a few years. She's an engineer. She built a spreadsheet. It was seven tabs long. But her logic was sound for her situation, and Freddie Mac's own research shows PMI is often cheaper than people assume when rates are moderate.

What Changed After the NAR Settlement

Quick sidebar, because this affects the math: buyer-agent commissions are no longer automatically baked into the listing. As of August 2024, buyers and agents negotiate compensation separately.

In practice? Most sellers in Maryland are still offering buyer-agent compensation, because they want buyers to actually show up. But some aren't. If you're budgeting for a home purchase in 2026, set aside 2-3% of the purchase price as a reserve in case you need to pay your own buyer agent and the seller isn't contributing.

I explain this to every buyer I work with now. Transparency beats surprises. And it doesn't usually change the rent-versus-buy math much, but it does change your cash-to-close number.

The One Question That Tells Me the Answer

After twenty years in education before I came to real estate, I've learned that people usually know their own answer. They just need permission to trust it.

So here's the question I ask: "If I told you that you'd live in this exact home, in this exact neighborhood, for the next seven years, would you be happy?"

If the answer is yes, buy. The math will work itself out somewhere between year two and year four, and you'll spend years five, six, and seven building wealth instead of paying someone else's mortgage.

If the answer is "I don't know" or "Maybe?" then rent. The break-even calculator doesn't account for the psychic cost of feeling trapped.

Running Your Own Numbers

You don't need me to do this math, though I'm happy to walk through it with you over coffee. You need:

Plug it into the New York Times calculator I mentioned earlier, or just use a spreadsheet. The right answer for Baltimore City is different than the right answer for York County, Pennsylvania, or New Castle County, Delaware, because taxes and appreciation rates vary.

And if you want a second set of eyes or you're looking at homes for sale in the Baltimore-Washington corridor, I'm around. This is the part of the job I actually like—teaching the math so you can make the call that's right for your family, not the call that gets me a commission check faster.

The break-even clock is ticking whether you're thinking about it or not. Might as well know what time it is.

If you're ready to talk specifics for your situation—Harford County, Cecil County, Baltimore City, anywhere in our footprint—reach out. Let's run your numbers.


Katrina Kirton Sherrod, REALTOR® · Samson Properties · Licensed in MD, DC, PA & DE · 443-616-9770 · Katrina@kkstherealtor.com

“Home is the nicest word there is.” — Laura Ingalls Wilder