HousingHandbookReference data

U.S. ZIP Code · MD21738

Howard County · Baltimore-Columbia-Towson, MD

Typical home value

$997,048[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+1.1%
5-year / yr
+5.7%
10-year / yr
+4.3%

Relative price

vs U.S.
+251.0%
vs metro
+104.4%
vs state
+121.3%
ZIP 21738 location in MD
Location of ZIP 21738 in MD

Price history

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

The typical home in 21738 is worth $997,048 — 104.4% above the Baltimore-Columbia-Towson, MD median. Over the past year, values have risen 1.1%. 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]
Gross yield
[2]
Cap rate
[2]

#Property tax

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

Effective tax rate
0.9%[3]
Typical annual tax
$8,957[3]

#Climate risk

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

Overall risk
Relatively Low[4]
Riverine flood
Relatively Moderate
Coastal flood
Very Low
Wildfire
Very Low
Drought
Relatively Moderate
Heat wave
Relatively Moderate
Hurricane
Relatively Low
Tornado
Relatively Low
Earthquake
Relatively Low
Winter weather
Relatively High

#Who lives here

Population
3,696[3]
Median household income
$250,001[3]

#Migration

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

Net migration
-1,203[5]
Moved in
11,543
Moved out
12,746

Schools

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

Public schools
2
Elementary
1
Middle
1
High
0
  • Bushy Park Elementary

    Elementary · Grades PK–5 · Howard County Public Schools

    631 students

  • Glenwood Middle

    Middle · Grades 6–8 · Howard County Public Schools

    492 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.

Gross yield
Net yield (after ~40% expenses)
Annual rent

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.

Monthly payment$5,042
Loan principal$797,638
Down payment$199,410
Total interest paid$1,017,343

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.

Own : rent ratio
Monthly cost to own$6,620
Monthly rent

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
98th percentile[1]
Rental yield
[2]
Property tax
51st percentile[3]

Frequently asked

How much is a home worth in ZIP code 21738?
The typical home in 21738 is worth $997,048, based on the Zillow Home Value Index.
Are home values rising in 21738?
Home values in 21738 are up 1.1% over the past year, and up 5.7% a year over five years.
What is the property tax rate in 21738?
The effective property tax rate in 21738 is 0.9% — roughly $8,957 a year on a typical home.
Who lives in 21738?
ZIP code 21738 has a population of 3,696 and a median household income of $250,001.

#Comparable ZIPs

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

  • Fulton CDP, MD

    Typical home
    $996,600
    Gross yield
  • Highland CDP, MD

    Typical home
    $1,001,004
    Gross yield
  • Riva CDP, MD

    Typical home
    $970,734
    Gross yield
  • MD

    Typical home
    $1,023,761
    Gross yield
  • MD

    Typical home
    $1,041,384
    Gross yield
  • Columbia CDP, MD

    Typical home
    $1,059,629
    Gross yield

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