Should I Sell My House or Rent It Out? A Maryland Owner's Analysis (2026)

Part of: The Complete Guide to Selling a Home in Montgomery County, MD

Key Takeaways: The sell-vs-rent decision in Maryland comes down to four numbers: your cap rate (net rental yield), your equity-return alternative if you sold and invested the proceeds, the capital gains exclusion clock ($250K/$500K, two of the last five years), and your honest landlord-workload tolerance. The April 2026 Montgomery County rental market is strong but the cap rates on high-equity homes are typically 3–4% — below what the same equity could earn in passive investments. For most owners with substantial equity in this market, selling is the higher-return move; for owners with low equity or a long time horizon, renting can win.

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This is one of the most consequential financial decisions a Maryland homeowner makes, and one of the most commonly mishandled. The romantic version says "keep the house, let a tenant pay your mortgage, retire on the rent." The reality is more complicated — and in Montgomery County's current market, the math frequently doesn't favor keeping the home as a rental.

Here is the honest framework, in the order that actually matters.

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Step 1: Calculate Your Real Cap Rate (Not the Rent Number)

The single most common mistake: people compare the monthly rent to the monthly mortgage payment and conclude they have a great rental. That's not the right calculation.

The right calculation:

Cap rate = (Annual rent − Annual operating expenses) ÷ Current home value

"Operating expenses" includes:

• Property taxes (SDAT) — typically 1.0–1.2% of assessed value in Montgomery County
• Insurance (landlord policy is higher than homeowner)
• Maintenance — budget 1.5% of home value per year as a realistic baseline
• Vacancy allowance — 5–8% of gross rent for a typical Maryland market
• Property management — 8–10% if you outsource; your time if you don't
• HOA fees if applicable
• Annual licensing/inspection costs (Maryland counties differ — Montgomery County requires rental licensing)

Example with current Montgomery County numbers: a $660,000 home (the April 2026 median, Bright MLS) renting for $3,400/month gross.

• Gross annual rent: $40,800
• Property tax (~1.0%): −$6,600
• Insurance: −$1,800
• Maintenance (1.5%): −$9,900
• Vacancy (6%): −$2,450
• Management (8%): −$3,260
• Net operating income: ~$16,790
• Cap rate: 2.5%

Even without paying a manager, the unleveraged return is only around 4%. That is the number you compare against your alternatives — not the rent check.

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Step 2: What Could the Equity Earn Somewhere Else?

If you sold the home, you walk away with net proceeds — typically 88–92% of sale price after agent commission, transfer/recordation tax, mortgage payoff, and prep (cost of selling a house in Maryland calculator).

On a $660K Montgomery County home with $500K equity, that's roughly $430K–$455K in your pocket after costs.

The honest comparison: that $430K invested in a diversified portfolio has historically returned 6–8% per year over long horizons. In a high-yield savings account or short-Treasury at current rates, it earns 4–4.5% with zero work and zero risk.

If your rental cap rate is 2.5% (with management) or 4% (without), and your alternative is 4.5% risk-free or 6–8% diversified — the rental loses on pure return for most high-equity owners.

The rental can still win because of two things people forget to add:

• Leverage from the mortgage. If you still have a $160K mortgage at 3%, the tenant is amortizing it for you. The principal paydown is a real return that the cap-rate calculation excludes.
• Long-term appreciation. Maryland real estate has historically appreciated 3–5% annually. Over 20 years, that compounds.

For low-equity homeowners with a sub-4% mortgage, these tailwinds often flip the math in favor of renting. For high-equity homeowners, the tailwinds usually don't overcome the opportunity cost.

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Step 3: The Capital Gains Clock You Can't Get Back

This is the single most expensive trap in the sell-vs-rent decision, and almost nobody runs the numbers.

Under IRS Section 121, if you have owned and lived in the home for two of the last five years, you can exclude up to $250,000 in capital gains ($500,000 married filing jointly) when you sell. For Montgomery County owners who bought before 2020, those exclusions often cover the entire gain — meaning a tax-free sale.

The moment you move out and convert to a rental, the clock starts. You have three years of rental use before you lose the exclusion. After that, the gain becomes taxable at federal long-term capital gains rates (15% or 20%) plus Maryland's state rate (5.75%) plus likely Net Investment Income Tax (3.8%).

On a $250,000 gain, losing the exclusion can cost $50,000–$60,000+ in taxes that you wouldn't have paid by selling first. See Capital Gains Tax When Selling Your Home in Maryland for the full breakdown.

The honest framing: if you've owned long enough to have meaningful equity, the exclusion is probably the single biggest financial fact in this decision. Renting "for a couple of years to see how it goes" can end up being a five- or six-figure tax decision in disguise.

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Step 4: Are You Honestly Willing to Be a Landlord?

The cap rate assumes the math goes right. The real return depends on what happens in practice — and being a landlord is a job, not a passive investment.

The Maryland-specific load:

• Rental licensing. Montgomery County requires a rental license. Renewal every 2–3 years, with inspections.
• Maryland landlord-tenant law. Security deposit cap of two months' rent. Mandatory return within 45 days. Specific eviction procedures and timelines under the Maryland Code, Real Property §8-401.
• Repairs and emergencies. HVAC failures, water leaks, appliance breakdowns. Year one with a tenant typically averages $2,500–$5,000 in repair calls.
• Tenant placement. Marketing, showings, applications, credit checks, lease execution — or 1 month's rent to a leasing agent.
• Tax filing. Schedule E, depreciation tracking, recapture on sale.

If your honest answer is "I would hire a property manager for everything" — that's the 8–10% off your gross rent that already came out of your cap rate above. The numbers don't change; just be sure they're in the calculation.

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What's the Montgomery County Rental Market Like in 2026?

Strong, but not extraordinary. Rents on single-family homes in Montgomery County range widely by submarket:

• $3,000–$4,000/month for typical 3-bed townhomes and entry-level detached homes in Silver Spring, Wheaton, Gaithersburg
• $4,500–$6,500/month for 4-bed detached homes in Bethesda, Rockville, North Potomac
• $6,500+/month for higher-end Potomac, Chevy Chase, Bethesda properties

Demand is reliable — federal-government employment, contractors, and the Bethesda biotech/NIH corridor support a deep renter pool. Vacancy on a well-priced home is typically 2–6 weeks between tenants.

But rents have not kept pace with the price appreciation of the last five years, which is exactly why so many cap rates in this market have compressed into the 2.5–4% range. High purchase prices + moderate rents = lower yields. It's the structural fact of high-cost markets.

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When Does Renting Actually Win?

Three situations where the math typically favors holding:

1. Low remaining mortgage at a sub-4% rate. Your effective cost of capital is artificially low. Letting the tenant pay it down while you keep the rate is a real edge.
2. You're not capturing the capital gains exclusion anyway. Maybe you've already lived in another home or your gain is small — the tax cost of waiting is minimal.
3. You're planning to move back within three years. A short-term rental (with the intent to reoccupy) preserves the exclusion clock and gives you flexibility. Common pattern: federal employees on temporary assignments, military families, and short-term relocations.

In those situations, renting frequently beats selling — sometimes by a meaningful margin over 5–10 years.

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When Does Selling Win?

The honest list:

1. You have substantial equity in a high-cost market. $400K+ equity in a Montgomery County home almost always earns more deployed elsewhere.
2. Your gain is approaching or exceeds the Section 121 exclusion limit. Lock it in now, tax-free.
3. Your mortgage rate is at or above current market rates. No leverage advantage to preserve.
4. You're moving permanently. A rental you'll never reoccupy is just a job you took on by accident.
5. You're honest with yourself that you don't want to be a landlord. This is not a small factor — it's the factor that determines whether your projected returns ever show up in real life.

If three of those five apply to you, the data says sell.

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The Hybrid Path: Sell and Reinvest in a Better Rental

The decision isn't binary. A common third path for Maryland owners who want real estate exposure but not this property as a rental:

• Sell the primary home tax-free under Section 121
• Take the proceeds and buy a purpose-built rental — typically a smaller, lower-priced property where the cap rate works (4–6% range)
• Use a [1031 exchange isn't applicable here because the primary residence isn't investment property at sale] — just buy a new investment outright with the net proceeds

This captures the appreciation you've earned on the primary home tax-free, and redeploys the capital into a property where the rental math actually works on day one.

For owners who want to be landlords but currently own a home that's a bad rental on paper, this is often the cleanest move.

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The Bottom Line for Maryland Owners

Run the four numbers honestly: cap rate after all real expenses, alternative return on the equity if invested elsewhere, the capital gains exclusion you'd lose by waiting, and your real willingness to be a landlord.

For most Montgomery County and Maryland owners with significant equity in their primary home, selling and redeploying the proceeds is the higher-return, lower-workload move. The numbers favor keeping the home as a rental in a smaller set of situations than the conventional wisdom suggests — and the tax cost of getting the decision wrong is often the biggest single line item.

If you'd like a frank look at the numbers for your specific home — comp-based value, net proceeds estimate, realistic rent estimate, cap rate — that's the conversation worth having before you make a five- or six-figure decision.