HousingHandbookReference data

U.S. ZIP Code · MD21231

Baltimore city · Baltimore-Columbia-Towson, MD

Typical home value

$295,371[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
-2.7%
5-year / yr
+2.4%
10-year / yr
+1.8%

Relative price

vs U.S.
+4.0%
vs metro
-39.4%
vs state
-34.4%
ZIP 21231 location in MD
Location of ZIP 21231 in MD

Price history

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

The typical home in 21231 is worth $295,371 — 39.4% below the Baltimore-Columbia-Towson, MD median. Over the past year, values have fallen 2.7%. Homes here rent for a typical $2,126 a month — a 8.6% gross rental yield. The effective property tax rate is 1.6%.

#Rent & investment

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

Monthly rent
$2,126[2]
Gross yield
8.6%[2]
Cap rate
5.2%[2]

#Property tax

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

Effective tax rate
1.6%[3]
Typical annual tax
$4,697[3]

#Climate risk

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

Overall risk
Relatively High[4]
Riverine flood
Relatively High
Coastal flood
Relatively Moderate
Wildfire
Very Low
Drought
No Rating
Heat wave
Relatively High
Hurricane
Relatively Moderate
Tornado
Relatively High
Earthquake
Relatively Moderate
Winter weather
Very High

#Who lives here

Population
14,969[3]
Median household income
$85,254[3]

#Migration

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

Net migration
-697[5]
Moved in
20,376
Moved out
21,073

Schools

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

Public schools
5
Elementary
3
Middle
1
High
1
  • Paul Laurence Dunbar High

    High · Grades 9–12 · Baltimore City Public Schools

    1,101 students

  • Commodore John Rodgers Elementary/Middle

    Elementary · Grades PK–8 · Baltimore City Public Schools

    756 students

  • City Springs Elementary/Middle

    Elementary · Grades PK–8 · Baltimore City Public Schools

    437 students

  • Wolfe Street Academy

    Elementary · Grades PK–5 · Baltimore City Public Schools

    234 students

  • The Crossroads School

    Middle · Grades 6–8 · Baltimore City Public Schools

    163 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 yield8.6%
Net yield (after ~40% expenses)5.2%
Annual rent$25,513

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$1,494
Loan principal$236,297
Down payment$59,074
Total interest paid$301,384

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 ratio1.00
Monthly cost to own$2,131
Monthly rent$2,126

Owning and renting are roughly even.

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
6th percentile[1]
Rental yield
80th percentile[2]
Property tax
99th percentile[3]

Frequently asked

How much is a home worth in ZIP code 21231?
The typical home in 21231 is worth $295,371, based on the Zillow Home Value Index.
Are home values rising in 21231?
Home values in 21231 are down 2.7% over the past year, and up 2.4% a year over five years.
What is the typical rent in 21231?
A typical home in 21231 rents for about $2,126 a month, a gross rental yield of 8.6%.
What is the property tax rate in 21231?
The effective property tax rate in 21231 is 1.6% — roughly $4,697 a year on a typical home.
Who lives in 21231?
ZIP code 21231 has a population of 14,969 and a median household income of $85,254.

#Comparable ZIPs

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

  • Essex CDP, MD

    Typical home
    $294,463
    Gross yield
    6.8%
  • Lochearn CDP, MD

    Typical home
    $289,317
    Gross yield
    5.9%
  • Baltimore, MD

    Typical home
    $288,506
    Gross yield
    8.8%
  • Riverside CDP, MD

    Typical home
    $287,427
    Gross yield
    7.5%
  • Carney CDP, MD

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

    Typical home
    $308,874
    Gross yield
    6.3%

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

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