Real Estate Investing in Knoxville, Maryland (21758)

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

Frederick County • Population: 4,238 • Data updated: September 2026

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Should you buy in 21758 (Knoxville, MD)? Our answer, based on the numbers below.

🏠 For Homebuyers
MIXED
Grade C (68/100)

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
CLEAN

No major risk flags on the data we track.

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

What’s happening in Knoxville, MD (21758)?

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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 $468,018
Avg Monthly Rent $1,728
1% Rule ✗ Does Not Meet
Median Income $103,081
% Renters 12.5%

Market Analysis: 21758 Knoxville

The 21758 ZIP in Knoxville, MD is a local-operator market. Outside capital chasing a $468K entry has to pair deep knowledge with the discount.

The 21758 ZIP can work — but only with a tight operating hand. Remote landlords and passive investors tend to struggle here more than the underwriting suggests.

From an investor standpoint, 21758 offers a low basis, the region around Knoxville has moved on in ways that the ZIP itself has not fully absorbed. The result is a discount with genuine reasons.

The demographic picture in 21758 includes headwinds that any investor should price in. Income distribution skews lower than Knoxville averages, and tenant stability requires active management.

Strategy in 21758 is an operator game, not a passive one. Meanwhile, entry prices of $468K are inviting, the management lift is real and non-optional.

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 Knoxville:

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 4.5× the median income
Value Trend
Rising (+3.3%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $1,728/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.
🏠

Property Strategy for 21758

Which property type performs best in this market?

Best for Cash Flow
3BR
4.5% cap rate
Best for Appreciation
4BR
+7.6% 5yr CAGR
Best Overall Value
3BR
$131,957/bedroom
📊 Compare All Property Types →
Type Median Value Est. Rent Cap Rate 5yr CAGR $/Bedroom
3BR $395,871 $2,470 4.5% +7.0% $131,957
4BR $592,372 $2,860 3.5% +7.6% $148,093

Market Trends

Home Value History (with trend line)

$490K$435K$381K$326K$271K$217KJul 2006Jul 2016Jul 2026

📊 How Does 21758 Compare?

Metric 21758 Knoxville Maryland
Home Value $468,018 $468,018 $424,997
5-Year CAGR 4.3% 4.3% 4.9%
Avg Rent $1,728 $1,728 -
Cap Rate 2.9% 2.9% -
💡 Why Invest in 21758? 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 →
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Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 21758 (Knoxville, MD). Anonymous, moderated, never written by AI.

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Investability
Good
Cap Rate
2.9%
Low
5yr Growth
+4.3%
Moderate

📊 Market Snapshot

Home Value $468,018
Monthly Rent $1,728
Price-to-Rent 22.6:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 4.4%
Cap Rate 2.9%
5-Year IRR 7.2%

📈 Home Appreciation

1-Year +3.3% ▲
3-Year CAGR +3.5% ▲
5-Year CAGR +4.3% ▲
10-Year CAGR +5.4% ▲

🏠 Rent Trends

1-Year N/A
3-Year CAGR N/A
5-Year CAGR N/A
Negative Leverage — IRR / Tax Play Cap Rate: 2.9%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (2.9%). 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
2.1%
Low risk
Landlord Climate
4.0/5
Friendly
Value Trend (5yr)
+4.3%
Stable
Eviction process: Moderate Rent control: Moderate

Demographics in 21758

Population: 4,238

💰 Median Household Income
$103,081
This area
$103,081
State
$107,932
USA
$74,580
🏠 Renter Occupied
12.5%
This area
12.5%
State
23.8%
USA
34.0%
💼 Unemployment Rate
5.0%
This area
5.0%
State
-20.0%
USA
3.7%
🎓 College Educated
36.7%
This area
36.7%
State
10.6%
USA
33.7%
👤 Median Age
39.0 years
This area
39.0 years
State
1.9 years
USA
38.9 years
🏚️ Vacancy Rate
2.1%
This area
2.1%
State
11.4%
USA
10.5%
👥 Population by Ethnicity
White 82.4%
Other/Mixed 8.6%
Hispanic/Latino 7.4%
Black/African American 6.4%
Asian 2.5%
👶 Under 18
24.1%
This area
24.1%
USA
22.0%
👴 65 and Over
19.8%
This area
19.8%
USA
17.3%
📊 Poverty Rate
2.4%
This area
2.4%
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

🎓 Schools in 21758

A Avg School Grade
1 Schools
14.7:1 Avg Class Size
$17,101 Avg Per Pupil

Schools in This ZIP Code

A Very Good

Pleasant Valley Elementary

📚 Pre-K – 05 Elementary
👥
207 Students
👨‍🏫
14.7:1 Class Size
💰
$17,101 Per Student

Nearby Schools (3 more)

Schools in adjacent ZIP codes that may serve this area

B+ Above Average

Brunswick Elementary

📚 Pre-K – 05 Elementary
📍 400 Central Ave, Brunswick
👥
773 Students
👨‍🏫
16.0:1 Class Size
💰
$16,833 Per Student
B+ Above Average

Brunswick Middle

📚 06 – 08 Middle
📍 301 Cummings Dr, Brunswick
👥
654 Students
👨‍🏫
16.4:1 Class Size
💰
$16,833 Per Student
B Good

Brunswick High

📚 09 – 12 High School
📍 101 Cummings Dr, Brunswick
👥
879 Students
👨‍🏫
18.9:1 Class Size
💰
$16,833 Per Student
About Repit School Scores

Traditional school ratings rely heavily on standardized test scores, which often reflect family income more than school quality. Repit takes a different approach.

We evaluate schools based on factors that research shows actually impact educational outcomes:

  • Class Size — Smaller classes mean more individual attention
  • School Funding — Resources available for programs, staff, and facilities
  • Community Factors — Neighborhood characteristics that influence student success
  • School Environment — Size, type, and structure

Scores are updated annually using federal education data.

🎓 Nearby Colleges & Universities

6 Nearby 497 Off-Campus Students
C+
Shepherd University
3,318 students · 9.7 mi
C
Catholic Distance University
171 students · 11.3 mi
C+
American Public University System
50,187 students · 11.3 mi
C
Hood College
2,078 students · 14.0 mi
C+
The Temple-A Paul Mitchell Partner School
167 students · 14.2 mi
C+
Patrick Henry College
408 students · 14.4 mi

Frequently Asked Questions

What is the typical rental rate in Knoxville, MD?

Investors in Knoxville, MD typically see rents near $1,728/mo per month against $468K home values - a solid setup for rental cash flow.

How do landlord-tenant laws work in Knoxville, MD?

MD ranks as a landlord-friendly state for landlord-tenant law. Knoxville generally follows the statewide framework, so landlords face reasonable operating rules.

What is the investability score for Knoxville, MD?

Yes - Knoxville, MD a 3.0/5 investability score. With $468K home prices against $1,728/mo monthly rent, the market delivers a reasonable entry point for new investors.

Which real estate strategy fits Knoxville, MD?

Investors who focus on careful cash-flow rentals with hands-on management typically do well in Knoxville, MD. The numbers - $468K homes against $1,728/mo rents - support that play.

Do rentals sit vacant long in Knoxville, MD?

Expect elevated vacancy in Knoxville, MD. Rents at $1,728/mo are absorbed by the tenant base without meaningful lag.

You know 21758 now. You don’t know where it ranks.

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How 21758 ranks in Washington-Arlington-Alexandria, DC-VA-MD-WV

Every ZIP in this metro, ranked. Free.

Cash Flow → Appreciation → Affordable →
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