Real Estate Investing in Glen Arm, Maryland (21057)

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

Baltimore County • Population: 4,463 • Data updated: September 2026

☆ Watch this market Free account

Should you buy in 21057 (Glen Arm, MD)? Our answer, based on the numbers below.

🏠 For Homebuyers
MIXED
Grade C (60/100)

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

📈 For Investors
MIXED
3.0 / 5 (47/100)

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 price-to-rent: Price-to-rent ratio 29.1 — hard to cash-flow at these prices.

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

What’s happening in Glen Arm, MD (21057)?

Click any question — our AI will research it live from the web and show you sources.

✨ Live AI + Web Search
Want to ask your own questions? Upgrade to Pro for unlimited custom queries.
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 $663,310
Avg Monthly Rent $1,899
1% Rule ✗ Does Not Meet
Median Income $163,462
% Renters 14.0%

Market Analysis: 21057 Glen Arm

Investors eyeing 21057 need to respect the fundamentals at play. Home values of $663K come alongside slower price movement and elevated management overhead.

Distressed does not mean uninvestable. It means the margin for error is thinner. ZIP 21057 rewards the prepared, punishes the overconfident, and leaves the math unchanged either way.

ZIP 21057's metrics run below Baltimore County's averages on price growth and tenant stability. Investors who ignore that regional gap tend to relearn it the hard way.

The demographic picture in 21057 includes headwinds that any investor should price in. Income distribution skews lower than Glen Arm averages, and tenant stability requires active management.

New investors are better served looking at Glen Arm's stable or hybrid ZIPs before stepping into 21057. The learning curve here is expensive when the lesson is wrong.

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 Glen Arm:

C+ Average
Buy Confidence Score: 63/100
Affordability
15/25
Appreciation
18/25
Stability
7/20
Timing
8/15
Rental backup
15/15
Affordability
Moderate
Homes cost 4.1× the median income
Value Trend
Rising (+5.3%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $1,899/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.
⚖️
BALANCED MARKET
Baltimore-Columbia-Towson, MD Metro Area
Even conditions for buyers and sellers
35 days
Average time to sell
Average
10.9%
Listings with price cuts
Few Cuts
0.0%
Sale price vs asking
Below Ask
0.0%
Income needed for mortgage
Affordable
📅 Market conditions as of August 29, 2026 — updated weekly from Baltimore-Columbia-Towson, MD metro data
🏠

Property Strategy for 21057

Which property type performs best in this market?

Best for Cash Flow
3BR
3.5% cap rate
Best for Appreciation
4BR
+5.9% 5yr CAGR
Best Overall Value
5BR
$154,505/bedroom
📊 Compare All Property Types →
Type Median Value Est. Rent Cap Rate 5yr CAGR $/Bedroom
3BR $560,577 $2,710 3.5% +5.8% $186,859
4BR $688,279 $3,030 3.2% +5.9% $172,070
5BR $772,524 +5.8% $154,505

Market Trends

Home Value History (with trend line)

$687K$623K$559K$495K$431K$366KJun 2006Jul 2016Jul 2026

📊 How Does 21057 Compare?

Metric 21057 Glen Arm Baltimore-Columbia-Towson, MD Maryland
Home Value $663,310 $663,310 N/A $424,997
5-Year CAGR 4.0% 4.0% N/A 4.9%
Avg Rent $1,899 $1,899 N/A -
Cap Rate 2.2% 2.2% - -
💡 Why Invest in 21057? Click to expand

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

📊 See where this ZIP ranks in our Best-of lists →
A great house in the wrong ZIP is still a bad deal — screen every market by cash flow & cap rate.
Open the Market Finder →
Free to search · investor plans from $19/mo

Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 21057 (Glen Arm, MD). Anonymous, moderated, never written by AI.

Do you own or manage rentals in ZIP 21057 (Glen Arm, MD)?

~25 seconds · no account needed · your report is anonymous

Property managers serving Baltimore County

Manage rentals here? List your business →

American Community Management provides community association management and HOA services across Maryland, Virginia, and D.C. summary from their website

HOA
Unclaimed — is this your business? Claim it free

Melan Property Management delivers proactive property management solutions for multifamily and commercial real estate across Maryland, Washington D.C., and Miami. summary from their website

Small multifamilyCommercial
Unclaimed — is this your business? Claim it free

Tidewater Property Management, Inc. is a family-owned company in the Mid-Atlantic providing full-service HOA, condo, and rental property management for single-family and multifamily properties. summary from their website

HOASmall multifamilySingle-familyCommercial
Unclaimed — is this your business? Claim it free

Listings are shown for convenience — Repit doesn’t endorse or vet these companies. Ratings shown come only from email-verified visitors.

Investability
Good
Cap Rate
2.2%
Low
5yr Growth
+4.0%
Moderate

📊 Market Snapshot

Home Value $663,310
Monthly Rent $1,899
Price-to-Rent 29.1:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 3.4%
Cap Rate 2.2%
5-Year IRR 6.2%

📈 Home Appreciation

1-Year +5.3% ▲
3-Year CAGR +3.5% ▲
5-Year CAGR +4.0% ▲
10-Year CAGR +4.2% ▲

🏠 Rent Trends

1-Year N/A
3-Year CAGR N/A
5-Year CAGR N/A
Negative Leverage — IRR / Tax Play Cap Rate: 2.2%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (2.2%). 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.

Run an IRR Analysis →

⚠️ Risk Signals

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

Vacancy
6.8%
Low risk
Landlord Climate
4.0/5
Friendly
Value Trend (5yr)
+4.0%
Stable
Eviction process: Moderate Rent control: Moderate

Demographics in 21057

Population: 4,463

💰 Median Household Income
$163,462
This area
$163,462
State
$107,932
USA
$74,580
🏠 Renter Occupied
14.0%
This area
14.0%
State
23.8%
USA
34.0%
💼 Unemployment Rate
1.2%
This area
1.2%
State
-20.0%
USA
3.7%
🎓 College Educated
54.7%
This area
54.7%
State
10.6%
USA
33.7%
👤 Median Age
45.5 years
This area
45.5 years
State
1.9 years
USA
38.9 years
🏚️ Vacancy Rate
6.8%
This area
6.8%
State
11.4%
USA
10.5%
👥 Population by Ethnicity
White 88.5%
Black/African American 4.7%
Other/Mixed 4.6%
Hispanic/Latino 3.1%
Asian 2.2%
👶 Under 18
24.5%
This area
24.5%
USA
22.0%
👴 65 and Over
21.2%
This area
21.2%
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

🎓 Nearby Colleges & Universities

8 Nearby 7,633 Off-Campus Students
C+
Goucher College
1,500 students · 5.5 mi
D
Fortis Institute-Towson
373 students · 6.2 mi
D
Baltimore Beauty & Barber School II
65 students · 6.4 mi
B
Towson University
19,527 students · 6.9 mi
C
Community College of Baltimore County
15,803 students · 6.9 mi
D
Montgomery Beauty School-Baltimore Beauty & Barber School
252 students · 8.0 mi
C
Institute of Health Sciences
176 students · 8.4 mi
C+
Morgan State University
9,808 students · 8.5 mi

Investor Insight: With 7,633 students living off-campus nearby, this area has strong rental demand from the college population.

Frequently Asked Questions

What is the median home value in Glen Arm, MD?

The median home value in Glen Arm, MD is roughly $663K. That puts it reasonable relative to the MD statewide average.

What is the typical rental rate in Glen Arm, MD?

Glen Arm, MD rentals go for roughly $1,899/mo a month. That puts gross yield in solid territory relative to $663K acquisition costs.

Does house hacking work in Glen Arm, MD?

The house hack math a challenging in Glen Arm, MD. Owner-occupant buyers benefit from the $1,899/mo rents and $663K home values.

What strategy should investors use in Glen Arm, MD?

Glen Arm, MD investors pursuing careful cash-flow rentals with hands-on management. The underlying economics ($663K prices, $1,899/mo rents) make it a reasonable choice.

How strong is the working-renter base in Glen Arm, MD?

Glen Arm, MD draws a stable base of working renters. Demand at the $1,899/mo rent level is reasonable for standard single-family and small multi rentals.

You know 21057 now. You don’t know where it ranks.

This page stays free — all of it. What one page can’t tell you is how 21057 compares to every other market. Investor ($19/mo) screens every U.S. ZIP by cap rate, the 1% rule, vacancy and landlord climate, and exports your shortlist.

Compare Plans

How 21057 ranks in Baltimore-Columbia-Towson, MD

Every ZIP in this metro, ranked. Free.

Cash Flow → Appreciation → Affordable → 1% Rule →
🤖

AI Market Advisor

Ask questions about investing in 21057 (Glen Arm)

Loading...

Community Ratings

What people who’ve spent time here actually say. Not paid reviews.

Be the first to rate 21057 (Glen Arm, MD).

It takes 30 seconds. No signup. Your rating helps everyone who comes here after you.