Real Estate Investing in Cobb Island, Maryland (20625)

Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.

Charles County • Population: 1,135 • Data updated: September 2026

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Should you buy in 20625 (Cobb Island, MD)? Our answer, based on the numbers below.

🏠 For Homebuyers
MIXED
Grade C (65/100)

Mixed signals — some positives, some negatives. Worth considering but not a slam-dunk.

📈 For Investors
MIXED
3.0 / 5 (52/100)

A middle-of-the-road market. Workable, but the best opportunities may be nearby ZIPs rather than this one.

⚠️ Risks to Know
1 flag
  • High vacancy: 22.7% of homes vacant — above national norms.

• Modeled rent — no observed market rent for this ZIP; the figure is estimated from HUD fair-market rent.

What’s happening in Cobb Island, MD (20625)?

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3.0/ 5

Investability

Overall investment appeal

2.0/ 5

Appreciation

Long-term value growth

3.0/ 5

Cashflow ROI

Rental yield potential

Avg Home Value $374,207
Avg Monthly Rent $1,917
1% Rule ✗ Does Not Meet
Median Income $126,657
% Renters 11.9%

Market Analysis: 20625 Cobb Island

ZIP 20625 inside Charles County looks affordable on the surface — median value of $374K — but the discount exists for reasons that a careful buyer should understand before committing.

If the plan assumes clean turnover, on-time rent, and low maintenance on a $374K asset, 20625 is the wrong submarket. If the plan prices in friction, the yield can still work.

Regionally, 20625 sits on the difficult end of the MD spectrum. The a credible choice for read — for disciplined operators — is that pricing reflects the difficulty.

Who lives in 20625 is part of why the ZIP is priced as it is. The demographic profile requires hands-on management, tight screening, and local knowledge.

Experienced landlords with local relationships tend to find 20625 workable. Turnkey investors from out of state usually find the numbers do not hold up in practice.

Explore the Data — Click a Tab Below
🏦 Current 30-yr Fixed Mortgage Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS

Here's what matters if you're considering buying a home in Cobb Island:

C+ Average
Buy Confidence Score: 68/100
Affordability
20/25
Appreciation
18/25
Stability
7/20
Timing
8/15
Rental backup
15/15
Affordability
Affordable
Homes cost 3× the median income
Value Trend
Rising (+3.6%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $1,917/mo if you need to move
Market Conditions
BALANCED
Even conditions for buyers and sellers
Bottom Line: Mixed signals in this market. Research specific properties carefully and be prepared to negotiate.

Market Trends

Home Value History (with trend line)

$390K$350K$311K$272K$233K$193KJul 2006Jul 2016Jul 2026

📊 How Does 20625 Compare?

Metric 20625 Cobb Island Maryland
Home Value $374,207 $374,207 $424,997
5-Year CAGR 3.9% 3.9% 4.9%
Avg Rent $1,917 $1,917 -
Cap Rate 4.0% 4.0% -
💡 Why Invest in 20625? Click to expand

With a 3/5 investability rating, this ZIP shows solid fundamentals for buy-and-hold investors.

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Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 20625 (Cobb Island, MD). Anonymous, moderated, never written by AI.

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Investability
Good
Cap Rate
4.0%
Fair
5yr Growth
+3.9%
Moderate

📊 Market Snapshot

Home Value $374,207
Monthly Rent $1,917
Price-to-Rent 16.3:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 6.2%
Cap Rate 4.0%
5-Year IRR 7.9%

📈 Home Appreciation

1-Year +3.6% ▲
3-Year CAGR +2.8% ▲
5-Year CAGR +3.9% ▲
10-Year CAGR +4.7% ▲

🏠 Rent Trends

1-Year N/A
3-Year CAGR N/A
5-Year CAGR N/A
Negative Leverage — IRR / Tax Play Cap Rate: 4.0%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (4.0%). Financing reduces your cash-on-cash return below the cap rate. Markets like this may still make sense as IRR plays — factoring in appreciation, depreciation, and a future refinance when rates drop.

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⚠️ Risk Signals

Composite view of factors that can impact a ZIP's stability and your downside risk.

Vacancy
22.7%
Elevated risk
Landlord Climate
4.0/5
Friendly
Value Trend (5yr)
+3.9%
Stable
Eviction process: Moderate Rent control: Moderate

Demographics in 20625

Population: 1,135

💰 Median Household Income
$126,657
This area
$126,657
State
$107,932
USA
$74,580
🏠 Renter Occupied
11.9%
This area
11.9%
State
23.8%
USA
34.0%
💼 Unemployment Rate
3.3%
This area
3.3%
State
-20.0%
USA
3.7%
🎓 College Educated
6.6%
This area
6.6%
State
10.6%
USA
33.7%
👤 Median Age
46.6 years
This area
46.6 years
State
1.9 years
USA
38.9 years
🏚️ Vacancy Rate
22.7%
This area
22.7%
State
11.4%
USA
10.5%
👥 Population by Ethnicity
White 94.9%
Other/Mixed 3.6%
Asian 1.5%
👶 Under 18
13.1%
This area
13.1%
USA
22.0%
👴 65 and Over
0.0%
This area
0.0%
USA
17.3%
📊 Poverty Rate
0.0%
This area
0.0%
USA
11.5%

Crime & Safety

🚧

Crime & Safety Data Coming Soon

We're integrating comprehensive crime statistics including violent crime rates, property crime, and safety scores to help you make informed investment decisions.

Expected: Q1 2025

Frequently Asked Questions

Is vacancy a concern in Cobb Island, MD?

Expect elevated vacancy in Cobb Island, MD. Rents at $1,917/mo are absorbed by the tenant base without meaningful lag.

Are renters plentiful in Cobb Island, MD?

Working renters make up the core of the Cobb Island, MD tenant base. The pool is reasonable for investors targeting long-term holds.

What monthly rent should investors expect in Cobb Island, MD?

Average rent in Cobb Island, MD is approximately $1,917/mo per month. Against $374K home values that yields a reasonable rent-to-price ratio.

What does house hacking look like in Cobb Island, MD?

The a challenging house-hack environment in Cobb Island, MD reflects the rent-to-price spread. Expect meaningful PITI offset at market rents.

Is Cobb Island in MD worth investing in?

Our data puts Cobb Island, MD at 3.0/5 for investability. Home prices of $374K and rents around $1,917/mo create a solid backdrop for investor activity.

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How 20625 ranks in Washington-Arlington-Alexandria, DC-VA-MD-WV

Every ZIP in this metro, ranked. Free.

Cash Flow → Appreciation → Affordable →
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