HousingHandbookReference data

U.S. ZIP Code · MD21227

Baltimore County · Baltimore-Columbia-Towson, MD

Typical home value

$308,874[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+1.1%
5-year / yr
+4.0%
10-year / yr
+4.7%

Relative price

vs U.S.
+8.7%
vs metro
-36.7%
vs state
-31.4%
ZIP 21227 location in MD
Location of ZIP 21227 in MD

Price history

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

The typical home in 21227 is worth $308,874 — 36.7% below the Baltimore-Columbia-Towson, MD median. Over the past year, values have risen 1.1%. Homes here rent for a typical $1,628 a month — a 6.3% gross rental yield. The effective property tax rate is 1.1%.

#Rent & investment

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

Monthly rent
$1,628[2]
Gross yield
6.3%[2]
Cap rate
3.8%[2]

#Property tax

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

Effective tax rate
1.1%[3]
Typical annual tax
$3,358[3]

#Climate risk

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

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

#Who lives here

Population
34,907[3]
Median household income
$85,986[3]

#Migration

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

Net migration
-2,556[5]
Moved in
22,058
Moved out
24,614

Schools

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

Public schools
10
Elementary
6
Middle
2
High
1
  • Lansdowne High

    High · Grades 9–12 · Baltimore County Public Schools

    1,352 students

  • Arbutus Middle

    Middle · Grades 6–8 · Baltimore County Public Schools

    983 students

  • Lansdowne Middle

    Middle · Grades 6–8 · Baltimore County Public Schools

    739 students

  • Lansdowne Elementary

    Elementary · Grades PK–5 · Baltimore County Public Schools

    621 students

  • Relay Elementary

    Elementary · Grades PK–5 · Baltimore County Public Schools

    574 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 yield6.3%
Net yield (after ~40% expenses)3.8%
Annual rent$19,537

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$1,562
Loan principal$247,099
Down payment$61,775
Total interest paid$315,161

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 ratio1.29
Monthly cost to own$2,100
Monthly rent$1,628

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
63rd percentile[1]
Rental yield
57th percentile[2]
Property tax
75th percentile[3]

Frequently asked

How much is a home worth in ZIP code 21227?
The typical home in 21227 is worth $308,874, based on the Zillow Home Value Index.
Are home values rising in 21227?
Home values in 21227 are up 1.1% over the past year, and up 4.0% a year over five years.
What is the typical rent in 21227?
A typical home in 21227 rents for about $1,628 a month, a gross rental yield of 6.3%.
What is the property tax rate in 21227?
The effective property tax rate in 21227 is 1.1% — roughly $3,358 a year on a typical home.
Who lives in 21227?
ZIP code 21227 has a population of 34,907 and a median household income of $85,986.

#Comparable ZIPs

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

  • Carney CDP, MD

    Typical home
    $304,866
    Gross yield
    6.7%
  • Marydel, MD

    Typical home
    $313,857
    Gross yield
  • Baltimore, MD

    Typical home
    $316,497
    Gross yield
    5.4%
  • Rosedale CDP, MD

    Typical home
    $318,645
    Gross yield
    6.7%
  • Baltimore, MD

    Typical home
    $295,371
    Gross yield
    8.6%
  • Crumpton CDP, MD

    Typical home
    $322,538
    Gross yield

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