How much is a home worth in ZIP code 21704?

The typical home in 21704 is worth $660,709, based on the Zillow Home Value Index.

Are home values rising in 21704?

Home values in 21704 are up 0.1% over the past year, and up 4.8% a year over five years.

What is the typical rent in 21704?

A typical home in 21704 rents for about $2,365 a month, a gross rental yield of 4.3%.

What is the property tax rate in 21704?

The effective property tax rate in 21704 is 1.0% — roughly $6,447 a year on a typical home.

ZIP code 21704 has a population of 20,006 and a median household income of $161,063.

HousingHandbookReference data

…

U.S. ZIP Code · MD21704

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

Typical home value

$660,709^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: +0.1%
5-year / yr: +4.8%
10-year / yr: +4.1%

Relative price

vs U.S.: +132.6%
vs metro: +12.5%
vs state: +46.7%

Price history

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

The typical home in 21704 is worth $660,709 — 12.5% above the Washington-Arlington-Alexandria, DC-VA-MD-WV median. Over the past year, values have risen 0.1%. Homes here rent for a typical $2,365 a month — a 4.3% gross rental yield. The effective property tax rate is 1.0%.

#Rent & investment

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

Monthly rent: $2,365^[2]
Gross yield: 4.3%^[2]
Cap rate: 2.6%^[2]

#Property tax

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

Effective tax rate: 1.0%^[3]
Typical annual tax: $6,447^[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: 20,006^[3]
Median household income: $161,063^[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: 3
Elementary: 3
Middle: 0
High: 0

Sugarloaf Elementary
Elementary · Grades K–5 · Frederick County Public Schools
842 students
Urbana Elementary
Elementary · Grades PK–5 · Frederick County Public Schools
703 students
Centerville Elementary
Elementary · Grades PK–5 · Frederick County Public Schools
468 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 yield4.3%

Net yield (after ~40% expenses)2.6%

Annual rent$28,383

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$3,341

Loan principal$528,568

Down payment$132,142

Total interest paid$674,159

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 ratio1.87

Monthly cost to own$4,431

Monthly rent$2,365

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: 76th percentile^[1]
Rental yield: 36th percentile^[2]
Property tax: 77th percentile^[3]

Rankings

Top-10 lists this ZIP code appears on.

4th for fastest-growing in MDView list →

Frequently asked

How much is a home worth in ZIP code 21704?: The typical home in 21704 is worth $660,709, based on the Zillow Home Value Index.
Are home values rising in 21704?: Home values in 21704 are up 0.1% over the past year, and up 4.8% a year over five years.
What is the typical rent in 21704?: A typical home in 21704 rents for about $2,365 a month, a gross rental yield of 4.3%.
What is the property tax rate in 21704?: The effective property tax rate in 21704 is 1.0% — roughly $6,447 a year on a typical home.
Who lives in 21704?: ZIP code 21704 has a population of 20,006 and a median household income of $161,063.

#Comparable ZIPs

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

20910 vs 21704 →
Silver Spring CDP, MD
Typical home
$661,810
Gross yield
3.7%
20119 vs 21704 →
Calverton CDP, VA
Typical home
$661,954
Gross yield
—
22720
VA
Typical home
$657,833
Gross yield
—
22747
Washington, VA
Typical home
$665,310
Gross yield
—
20130
Paris CDP, VA
Typical home
$653,339
Gross yield
—
21710
Adamstown CDP, MD
Typical home
$669,109
Gross yield
—

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#Jump to section

U.S. ZIP Code · MD21704

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