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Mount Airy 21771

ZIP codeThe kind of area this report covers. Neighborhood areas nest inside each other, from broad districts down to small pockets.MarylandBalanced market
Market temperatureA 0 to 100 score comparing this area with every similar area nationwide each month. 0 is the strongest buyer's market, 100 the strongest seller's market.Balanced market · 59
Buyer's marketBalancedSeller's market
$660K
Median sale priceThe middle sale price each month, counting normal open-market sales. The average runs above the median when a few expensive sales pull it up. Bars show how many homes sold.
+9.7%
1-yr changeHow much prices and sales counts changed since the same time last year, using a 3-month average to smooth out noise. Above the dashed line means growth.
344
Sales (12 mo)How many homes sold here in the last 12 months. More sales make the other numbers more reliable.
$615K
Median valueThe middle estimated value of all homes here, not just the ones that recently sold.

Deed records through Jul 2026Counties take time to publish deeds, so the newest months can be incomplete and may shift as more records arrive.

Market Trends

Market temperature (0–100)How the 0 to 100 market score moved over time. It blends price growth, sales pace, how often homes change hands, and seller profits.Temperature
20162018201920202022202320252026
Sale pricesThe middle sale price each month, counting normal open-market sales. The average runs above the median when a few expensive sales pull it up. Bars show how many homes sold.MedianSales
20162018201920202022202320252026
Growth (year over year)How much prices and sales counts changed since the same time last year, using a 3-month average to smooth out noise. Above the dashed line means growth.PriceSales
20162018201920202022202320252026
Price per square footThe middle price per square foot, for sales where the size is known. It adjusts for homes being different sizes.$/ft²
20162018201920202022202320252026
Sale premium vs estimated valueHow sale prices compare with our estimated values at the time of sale. Above the dashed line, homes sold for more than the models expected — a sign of competitive bidding. Below it, buyers paid under model value.Premium
20162018201920202022202320252026
Annual turnover (share of homes sold)The share of all homes here that sold in the trailing 12 months. Higher turnover means a more liquid market where homes trade hands more often.Turnover
20162018201920202022202320252026
Buyer mixWho is buying. Cash means no mortgage was recorded, investor means the buyer looked like an investor, and flip means the home resold within a year.CashInvestorFlip resale
20162018201920202022202320252026
Financing (share of purchase price)For buyers who borrowed: the middle share of the price they financed, and the middle share they paid up front.Loan (LTV)Down payment
20162018201920202022202320252026
Sellers who sold at a gainThe share of sellers each month who sold for more than they originally paid.Sold at gain
20162018201920202022202320252026
Typical hold before sellingThe middle number of years sellers owned their home before selling.Median hold
20162018201920202022202320252026
Median annualized return at resaleThe middle yearly gain sellers earned, spread across the years they owned the home. Only counts homes held at least a year.Annualized gain
20162018201920202022202320252026
Preforeclosure filingsForeclosure notices filed each month. A rise can be an early sign that more owners are struggling. Auction stage counts the filings that reached a scheduled foreclosure auction.FilingsAuction stage
20162017201820202022202320252026

Housing Stock

HomesHow many homes we have records for in this area.10,659
Median value (AVM)The middle estimated value of all homes here, not just the ones that recently sold.$615K
Median sizeThe middle home size here, measured in square feet.2,052 ft²
Median year builtThe middle build year for homes here. A recent year means most housing is newer.1988
Single familyThe share of homes here that are single-family houses.88%

Equity & Ownership

Equity rich (LTV ≤ 50%)The share of owners who owe half or less of what their home is worth, meaning they hold a lot of equity.41%
Underwater (LTV ≥ 125%)The share of owners who owe at least 25% more than their home is worth.1.7%
Owner occupiedThe share of homes lived in by their owner rather than rented out or left empty.93%
Company ownedThe share of homes owned by a company or trust instead of a person.7.8%
Median loan-to-valueThe middle share of home value still owed on loans across all owners here.57%
Typical ownership tenureHow long the typical owner here has held their home.13.3 yrs

CommunityThese are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.32,505
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.382 / mi²
Median household incomeThe middle household income here — half of households earn more, half earn less.$151K
Average household incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162K
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Market metrics are derived from recorded arms-length deeds and refreshed nightly. Temperature blends price momentum, sales velocity, turnover and resale outcomes, ranked against all ZIP codes nationally.

How Mount Airy 21771 compares

By median home value, Mount Airy 21771 is the 5th most expensive of 23 ZIP codes in Frederick County, and its typical home is worth more than 70% of all homes in Frederick County.

Home values in Mount Airy 21771

Share of homes at each estimated value.

Median
$329K$1.1M
ZIP codes in Frederick County ranked by median home value
#Frederick CountyMedian valueHomes
1Ijamsville 21754$677K2,504
2Frederick 21704$660K7,264
3Monrovia 21770$644K2,993
4Adamstown 21710$623K1,494
5Mount Airy 21771$615K10,659
6New Market 21774$591K6,556
7Jefferson 21755$570K2,158
8Middletown 21769$552K4,232
9Myersville 21773$516K2,073
10Woodsboro 21798$503K840
11Point of Rocks 21777$482K632
12Walkersville 21793$469K3,637
13Knoxville 21758$466K1,811
14Frederick 21702$448K15,013
15Frederick 21701$442K14,507
16Rocky Ridge 21778$434K411
17Keymar 21757$421K1,021
18Frederick 21703$408K13,460
19Brunswick 21716$404K3,101
20Thurmont 21788$389K4,325
21Sabillasville 21780$354K652
22Emmitsburg 21727$347K1,570
23Libertytown 21762$313K125

About the Mount Airy 21771 market

What is the median home price in Mount Airy 21771, MD?

The median sale price in Mount Airy 21771, MD is $660,000 (data through July 2026), based on deeds recorded with the county. That is up 9.7% from a year earlier.

How many homes sell in Mount Airy 21771, MD each year?

344 homes sold in Mount Airy 21771, MD over the last 12 months (data through July 2026). TopHap counts recorded arm's-length deeds, not listings, so the figure is not affected by which brokerage handled the sale.

Is Mount Airy 21771, MD a buyer's or seller's market?

Mount Airy 21771, MD is currently a balanced market, scoring 59 out of 100 on TopHap's market temperature index (data through July 2026). The score weighs sales velocity and price direction; above 60 favours sellers, below 40 favours buyers.

How many homes are there in Mount Airy 21771, MD?

Mount Airy 21771, MD contains 10,659 residential properties, with a median of 2,052 square feet, built around 1988. The median TopHap Estimate is $615K.

How does Mount Airy 21771, MD compare to the rest of Frederick County?

By median home value, Mount Airy 21771, MD is the 5th most expensive of 23 ZIP codes in Frederick County. Its typical home is worth more than 70% of all homes in Frederick County. Adamstown 21710 ranks just above it and New Market 21774 just below. The ranking is rebuilt nightly from the county assessor record of every home in each area.

Do people own or rent in Mount Airy 21771, MD?

93% of homes in Mount Airy 21771, MD are owner-occupied. 8% are held by a company rather than an individual.

How much equity do owners in Mount Airy 21771, MD hold?

41% of mortgaged homes in Mount Airy 21771, MD are equity-rich, meaning the loan balance is under half the home's value. 1.7% owe more than the home is worth.

Nearby markets

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