HousingHandbookReference data

U.S. ZIP Code · MD21128

Baltimore County · Baltimore-Columbia-Towson, MD

Typical home value

$442,068[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+0.1%
5-year / yr
+2.9%
10-year / yr
+2.9%

Relative price

vs U.S.
+55.6%
vs metro
-9.4%
vs state
-1.9%
ZIP 21128 location in MD
Location of ZIP 21128 in MD

Price history

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

The typical home in 21128 is worth $442,068 — 9.4% below the Baltimore-Columbia-Towson, MD median. Over the past year, values have risen 0.1%. Homes here rent for a typical $1,652 a month — a 4.5% 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
$1,652[2]
Gross yield
4.5%[2]
Cap rate
2.7%[2]

#Property tax

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

Effective tax rate
1.1%[3]
Typical annual tax
$4,977[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
15,501[3]
Median household income
$128,069[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
3
Elementary
3
Middle
0
High
0
  • Honeygo Elementary

    Elementary · Grades PK–5 · Baltimore County Public Schools

    704 students

  • Chapel Hill Elementary

    Elementary · Grades K–5 · Baltimore County Public Schools

    517 students

  • Joppa View Elementary

    Elementary · Grades PK–5 · Baltimore County Public Schools

    514 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 yield4.5%
Net yield (after ~40% expenses)2.7%
Annual rent$19,829

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$2,235
Loan principal$353,654
Down payment$88,414
Total interest paid$451,067

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 ratio1.83
Monthly cost to own$3,020
Monthly rent$1,652

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
11th percentile[1]
Rental yield
14th percentile[2]
Property tax
83rd percentile[3]

Frequently asked

How much is a home worth in ZIP code 21128?
The typical home in 21128 is worth $442,068, based on the Zillow Home Value Index.
Are home values rising in 21128?
Home values in 21128 are up 0.1% over the past year, and up 2.9% a year over five years.
What is the typical rent in 21128?
A typical home in 21128 rents for about $1,652 a month, a gross rental yield of 4.5%.
What is the property tax rate in 21128?
The effective property tax rate in 21128 is 1.1% — roughly $4,977 a year on a typical home.
Who lives in 21128?
ZIP code 21128 has a population of 15,501 and a median household income of $128,069.

#Comparable ZIPs

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

  • Pylesville CDP, MD

    Typical home
    $444,027
    Gross yield
  • Linthicum CDP, MD

    Typical home
    $440,013
    Gross yield
  • Darlington CDP, MD

    Typical home
    $446,333
    Gross yield
  • Hampstead, MD

    Typical home
    $437,798
    Gross yield
  • Deale CDP, MD

    Typical home
    $448,283
    Gross yield
  • Baltimore, MD

    Typical home
    $449,667
    Gross yield
    4.8%

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