How much is a home worth in ZIP code 21771?

The typical home in 21771 is worth $641,656, based on the Zillow Home Value Index.

Are home values rising in 21771?

Home values in 21771 are up 0.8% over the past year, and up 4.3% a year over five years.

What is the typical rent in 21771?

A typical home in 21771 rents for about $2,100 a month, a gross rental yield of 3.9%.

What is the property tax rate in 21771?

The effective property tax rate in 21771 is 0.9% — roughly $5,560 a year on a typical home.

ZIP code 21771 has a population of 33,031 and a median household income of $157,302.

HousingHandbookReference data

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U.S. ZIP Code · MD21771

Frederick County · Washington-Arlington-Alexandria, DC-VA-MD-WV

Typical home value

$641,656^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: +0.8%
5-year / yr: +4.3%
10-year / yr: +4.5%

Relative price

vs U.S.: +125.9%
vs metro: +9.3%
vs state: +42.4%

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 21771 is worth $641,656 — 9.3% above the Washington-Arlington-Alexandria, DC-VA-MD-WV median. Over the past year, values have risen 0.8%. Homes here rent for a typical $2,100 a month — a 3.9% gross rental yield. The effective property tax rate is 0.9%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent: $2,100^[2]
Gross yield: 3.9%^[2]
Cap rate: 2.4%^[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate: 0.9%^[3]
Typical annual tax: $5,560^[3]

#Climate risk

FEMA National Risk Index ratings for Frederick County. "Not Applicable" means the hazard does not threaten the county.

Overall risk: Relatively Low^[4]
Riverine flood: Relatively Moderate
Coastal flood: Not Applicable
Wildfire: Very Low
Drought: Relatively Moderate
Heat wave: Relatively Moderate
Hurricane: Relatively Low
Tornado: Relatively Moderate
Earthquake: Relatively Low
Winter weather: Relatively High

#Who lives here

Population: 33,031^[3]
Median household income: $157,302^[3]

#Migration

Household moves in and out of Frederick County over a year, from IRS tax-return data.

Net migration: +798^[5]
Moved in: 8,716
Moved out: 7,918

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools: 4
Elementary: 3
Middle: 1
High: 0

Mount Airy Middle
Middle · Grades 6–8 · Carroll County Public Schools
754 students
Twin Ridge Elementary
Elementary · Grades PK–5 · Frederick County Public Schools
689 students
Mount Airy Elementary
Elementary · Grades 3–5 · Carroll County Public Schools
457 students
Parr's Ridge Elementary
Elementary · Grades PK–2 · Carroll County Public Schools
431 students

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Home value$Monthly rent$

Gross yield3.9%

Net yield (after ~40% expenses)2.4%

Annual rent$25,200

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Home price$Down payment%Interest rate%Loan termyears

Monthly payment$3,245

Loan principal$513,325

Down payment$128,331

Total interest paid$654,718

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Home price$Monthly rent$Down payment%Mortgage rate%Property tax rate% / yrMaintenance% / yrRule of thumb: 1% of home value per year.

Own : rent ratio2.02

Monthly cost to own$4,244

Monthly rent$2,100

Renting is meaningfully cheaper month-to-month.

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation: 65th percentile^[1]
Rental yield: 25th percentile^[2]
Property tax: 52nd percentile^[3]

Frequently asked

How much is a home worth in ZIP code 21771?: The typical home in 21771 is worth $641,656, based on the Zillow Home Value Index.
Are home values rising in 21771?: Home values in 21771 are up 0.8% over the past year, and up 4.3% a year over five years.
What is the typical rent in 21771?: A typical home in 21771 rents for about $2,100 a month, a gross rental yield of 3.9%.
What is the property tax rate in 21771?: The effective property tax rate in 21771 is 0.9% — roughly $5,560 a year on a typical home.
Who lives in 21771?: ZIP code 21771 has a population of 33,031 and a median household income of $157,302.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

20853 vs 21771 →
Aspen Hill CDP, MD
Typical home
$641,854
Gross yield
6.0%
20880 vs 21771 →
Washington Grove, MD
Typical home
$641,141
Gross yield
—
20135
Shenandoah Retreat CDP, VA
Typical home
$640,729
Gross yield
—
22312
Lincolnia CDP, VA
Typical home
$640,443
Gross yield
3.8%
22306
Groveton CDP, VA
Typical home
$643,196
Gross yield
3.6%
20871
Clarksburg CDP, MD
Typical home
$639,874
Gross yield
5.8%

Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →

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Pit ZIP 21771 against any other ZIP — full side-by-side table.

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#Jump to section

U.S. ZIP Code · MD21771

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