Charles County

MarylandPopulation: 167,035
51
/100
Hold
#575 of 1,000 counties
#20 in Maryland (24 counties)
Analysis by RentalCalcs ResearchIndependent data + algorithm-driven scoring
Updated October 19, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$442,449
Median Home Price
93% above national median
$2,464/mo
Median Rent
70% above national median
6.68%
Rent-to-Price Ratio
Top 32% nationally
-$718
Est. Monthly Cash Flow
With 20% down at 6.9% rate

Charles market analysis

Charles County sits at a gross rent-to-price ratio of 0.067, which translates to an annual gross yield just under 8% before expenses. That sounds reasonable until you run the full stack: at a 6.85% rate on a 20% down purchase of $442,449, the monthly mortgage alone is $2,319, and estimated expenses add another $862, producing a modeled cash flow of negative $718 per month and a cash-on-cash return of -8.47%. The 4.34% cap rate confirms the story, sitting well below the cost of debt, which means leverage works against you here at current rates. Home prices slipped 1.4% year-over-year, so there is no near-term appreciation momentum to offset that carry pain. Charles lands at the 27th national percentile overall, ranks 20th out of 24 Maryland counties, and scores a 37 on affordability, meaning entry prices are not low enough to compensate for the income the market delivers.

The cash-flow score of 67 is the number that demands context. On its own it suggests Charles competes reasonably well for income compared to other markets, but that score is relative, and the absolute underwriting still produces negative monthly cash flow under conventional financing. This is not a market for a leveraged cash-flow buyer seeking day-one income. The appreciation score of 43 and a -1.4% price trend eliminate the pure appreciation thesis as well. The investor who fits Charles best is either an all-cash or low-leverage buyer who can close the gap between the 4.34% cap rate and their actual cost of capital, or a value-add operator hunting a specific asset that can push rents materially above the $2,464 median. At current median rent and price, there is no off-the-shelf entry point that pencils without either a below-market acquisition or a meaningful equity cushion.

No economic anchors or employer data were provided for Charles County, so that dimension of the demand picture cannot be addressed here. What the population figure of 167,035 does indicate is a county of meaningful size, large enough to support a legitimate rental pool, though without job-base data the durability of rental demand at current rent levels is harder to assess.

The tax and insurance load for Charles deserves attention in any underwrite. Using Maryland's state-average effective property tax rate of 1.09%, a $442,449 home carries an estimated $4,823 in annual property taxes and $929 in annual insurance, totaling $479 per month combined. That is a real line item: it represents roughly 56% of the estimated $862 monthly expense figure, and it lands on top of the $2,319 mortgage payment. The 1.09% rate is flagged as normal relative to national comparisons, so it is not a standout headache the way a 1.7% or 2% rate would be, but on a $442,449 asset it still adds up fast. Per the data source, this is a state-average estimate and county or township rates in Charles may differ, so verify the actual millage before closing.

The primary risk in Charles is concentration of the investment thesis around a narrow set of scenarios. With prices down slightly, cash flow negative under standard financing, and affordability indexed at 37, the market offers no easy fallback position if rates stay elevated or rents soften. There is no data here on vacancy rates, so that variable cannot be quantified, but a market where rents of $2,464 are already stretching affordability for many households creates sensitivity to any softening in the local job market or any increase in competing rental supply.

Against the neighboring counties provided, Charles actually has the best gross rent-to-price ratio of the group at 0.067, which explains the relative cash-flow score of 67. Howard County at 0.043 and Montgomery County at 0.046 are deeper into appreciation territory with entry prices of $618K and $603K respectively and rents that don't keep pace. Carroll County scores 53 overall versus Charles's 51 but delivers a rent-to-price ratio of only 0.044 on a $481K median, worse on yield despite a comparable overall score. Talbot County at 0.058 and a $481K median is similarly less favorable on yield. Caroline County at $320K is the outlier on entry price, and with an overall score of 53, it warrants a direct comparison if a lower basis acquisition fits the investor's model, though no rent data was provided for Caroline. The straightforward case for choosing Charles over its neighbors is yield: it delivers the best rent-to-price ratio in this peer set. The case against it remains the absolute underwriting reality that even the best yield in this Maryland cohort does not clear the bar under leveraged conventional financing at current rates.

Last analyzed October 19, 2026. Based on the latest available Zillow and Census data for Charles County.

Scenario comparison

Same $2,464/mo rent assumption, 20% down, 6.85% rate. What changes is the acquisition price.
ScenarioPurchase priceMonthly cash flowCap rateCash-on-cash
75% of median
value-add or distressed
$331,836-$138/mo5.8%-2.2%
Median
typical MLS deal
$442,449-$718/mo4.3%-8.5%
125% of median
newer / premium
$553,061-$1,298/mo3.5%-12.2%

Price History

Median Home Price

Median Rent

Historical data from Zillow ZHVI/ZORI

Quick Investment Calculator

20%
5%50%100%

Purchase

Purchase Price$442,449
Down Payment (20%)$88,490
Loan Amount$353,959
Interest Rate6.85%

Monthly Cash Flow

Gross Rent+$2,464
Monthly P&I-$2,319
Est. Expenses (35%)-$862
Net Cash Flow-$718/mo
4.3%
Cap Rate (all cash)
-8.5%
Cash-on-Cash Return
6.68%
Rent-to-Price Ratio
Negative leverage: At 6.85% rates, borrowing costs exceed the 4.3% cap rate. All-cash buyers may see better returns.

* Based on county median values. 35% expenses include taxes, insurance, maintenance, vacancy, and property management. Actual results vary by property.

Score Breakdown

Overall Investment Score
51/100
51
Cash Flow(30%)
67/100

Based on 6.68% rent-to-price ratio. Higher ratios indicate stronger cash flow potential.

Appreciation(25%)
43/100

Based on -1.4% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)
50/100

Population data not available.

Affordability(20%)
37/100

Based on price relative to estimated local incomes.

Scores are calculated using real Zillow home value and rent data, Census population data, and economic indicators. The weighted average produces the overall investment score. Markets with missing rent data use estimated values based on regional averages.

Investment Outlook

Strengths

  • +Above-average rent-to-price ratio (6.68%)
  • +Complete rent data available

Challenges

  • -Declining home values (-1.4% YoY)
  • -Negative cash flow at typical financing (-$718/mo)
  • -Negative leverage (cap rate 4.3% < mortgage rate 6.9%)
  • -High price-to-income ratio makes financing challenging

Economic Indicators

Population
167,035
Median Income
—
Data pending
Unemployment Rate
—
Data pending
Price-to-Income
—
Data pending

Who this market fits

Best for
  • +All-cash buyers: removing debt service flips the cap rate to actual yield
Skip if
  • −You need positive cash flow on day one at typical leverage
  • −You can't tolerate negative leverage (cap rate below mortgage rate today)
  • −You expect appreciation to carry the deal, but prices have declined year over year
  • −You rely on FHA-style financing: prices are stretched relative to local incomes

Compare to Nearby Counties

CountyVerdict
CarrollMD
53$481,105$1,7674.41%HoldView
CarolineMD
53$320,470Est. pending—HoldView
CurrentCharlesMD
51$442,449$2,4646.68%Hold
TalbotMD
49$481,463$2,3335.82%HoldView
HowardMD
49$617,631$2,2354.34%HoldView
MontgomeryMD
48$603,381$2,2904.56%HoldView

Section 8 in Charles County: payment standards by ZIP, PHA waitlist status, and voucher counts are on VoucherMatch, the same HUD dataset with the tenant demand side attached.

The Bottom Line

HoldCharles is a neutral market. Consider house hacking or targeting below-market deals.

Charles County in Maryland scores 51/100, ranking #575 of 1,000 US counties (top 73%). At 20% down and current rates, a median-priced rental loses about $718/month; the 6.68% gross rent-to-price ratio doesn't survive debt service. The thesis here is appreciation, value-add, house hacking, or all-cash.

Monthly Cash Flow
$-718/mo
Cap Rate
4.3%
Cash-on-Cash
-8.5%

Related markets

Average rent by city in Charles County

Typical asking rent across each city's ZIP codes (Zillow Observed Rent Index). Open a city for rent by ZIP and bedroom count.

Frequently asked questions

The average cap rate in Charles County is 4.34%, which is relatively modest and reflects the county's moderate cash-flow potential for buy-and-hold investors.

Ready to Analyze a Deal in Charles?

Use our investment calculators to run detailed numbers on specific properties.